./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec14_product27.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_product27.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 6cc96375562d846fbf28439914184b0f5b3d70ee1197dff8e1988bf2754bc90e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:56:16,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:56:16,583 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 22:56:16,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:56:16,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:56:16,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:56:16,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:56:16,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:56:16,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:56:16,621 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:56:16,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:56:16,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:56:16,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:56:16,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:56:16,629 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:56:16,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:56:16,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:56:16,630 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:56:16,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 22:56:16,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:56:16,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:56:16,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:56:16,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:56:16,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:56:16,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:56:16,635 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:56:16,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:56:16,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:56:16,635 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:56:16,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:56:16,637 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:56:16,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:56:16,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:16,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:56:16,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:56:16,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:56:16,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 22:56:16,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 22:56:16,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:56:16,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:56:16,639 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:56:16,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:56:16,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cc96375562d846fbf28439914184b0f5b3d70ee1197dff8e1988bf2754bc90e [2024-11-09 22:56:16,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:56:16,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:56:16,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:56:16,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:56:16,938 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:56:16,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec14_product27.cil.c [2024-11-09 22:56:18,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:56:18,756 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:56:18,758 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product27.cil.c [2024-11-09 22:56:18,783 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5491b8044/b0adb94bac624547b4c8822036123887/FLAG241f9cb01 [2024-11-09 22:56:18,993 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5491b8044/b0adb94bac624547b4c8822036123887 [2024-11-09 22:56:18,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:56:18,998 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:56:19,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:19,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:56:19,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:56:19,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:18" (1/1) ... [2024-11-09 22:56:19,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2901254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19, skipping insertion in model container [2024-11-09 22:56:19,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:18" (1/1) ... [2024-11-09 22:56:19,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:56:19,284 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_product27.cil.c[1546,1559] [2024-11-09 22:56:19,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:19,688 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:56:19,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-09 22:56:19,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [57] [2024-11-09 22:56:19,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1620] [2024-11-09 22:56:19,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [1975] [2024-11-09 22:56:19,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2066] [2024-11-09 22:56:19,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2432] [2024-11-09 22:56:19,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2467] [2024-11-09 22:56:19,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [2481] [2024-11-09 22:56:19,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [2517] [2024-11-09 22:56:19,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2635] [2024-11-09 22:56:19,705 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_product27.cil.c[1546,1559] [2024-11-09 22:56:19,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:19,861 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:56:19,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19 WrapperNode [2024-11-09 22:56:19,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:19,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:19,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:56:19,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:56:19,870 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 22:56:19,904 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 22:56:19,977 INFO L138 Inliner]: procedures = 92, calls = 335, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 1093 [2024-11-09 22:56:19,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:19,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:56:19,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:56:19,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:56:19,991 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 22:56:19,991 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 22:56:20,000 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 22:56:20,045 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 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 22:56:20,049 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 22:56:20,049 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 22:56:20,070 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 22:56:20,076 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 22:56:20,083 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 22:56:20,091 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 22:56:20,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:56:20,105 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:56:20,106 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:56:20,106 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:56:20,107 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 22:56:20,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:20,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:56:20,145 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 22:56:20,152 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 22:56:20,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:56:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-09 22:56:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-09 22:56:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-09 22:56:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-09 22:56:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:56:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:56:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2024-11-09 22:56:20,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2024-11-09 22:56:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:56:20,198 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:56:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2024-11-09 22:56:20,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2024-11-09 22:56:20,199 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:56:20,199 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:56:20,200 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:56:20,200 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:56:20,200 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:56:20,200 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:56:20,200 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:56:20,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:56:20,201 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:56:20,201 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:56:20,201 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:56:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:56:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2024-11-09 22:56:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2024-11-09 22:56:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:56:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:56:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2024-11-09 22:56:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2024-11-09 22:56:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:56:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:56:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:56:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:56:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:56:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:56:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:56:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:56:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 22:56:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 22:56:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 22:56:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 22:56:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 22:56:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 22:56:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 22:56:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 22:56:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 22:56:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 22:56:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 22:56:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 22:56:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 22:56:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 22:56:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 22:56:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 22:56:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 22:56:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-09 22:56:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-09 22:56:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-09 22:56:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:56:20,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:56:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:56:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:56:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:56:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:56:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:56:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:56:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:56:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:56:20,407 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:56:20,410 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:56:20,483 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2632: #res := ~retValue_acc~26; [2024-11-09 22:56:20,503 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2554: #res := ~retValue_acc~24; [2024-11-09 22:56:20,507 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L150: #res := ~retValue_acc~0; [2024-11-09 22:56:20,519 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L323: #res := ~retValue_acc~1; [2024-11-09 22:56:20,615 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L979: #res#1 := ~retValue_acc~11#1; [2024-11-09 22:56:20,615 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L366-1: buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~3#1; [2024-11-09 22:56:20,620 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1608: #res := ~retValue_acc~15; [2024-11-09 22:56:20,928 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L889: #res#1 := ~retValue_acc~9#1; [2024-11-09 22:56:20,928 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L860-1: stopRequestedInDirection__wrappee__empty_#res#1 := stopRequestedInDirection__wrappee__empty_~retValue_acc~8#1; [2024-11-09 22:56:20,994 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024: #res := ~retValue_acc~13; [2024-11-09 22:56:21,006 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2593: #res := ~retValue_acc~25; [2024-11-09 22:56:21,077 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L415-1: isEmpty_#res#1 := isEmpty_~retValue_acc~5#1; [2024-11-09 22:56:21,152 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L495-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~6#1; [2024-11-09 22:56:21,152 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-1: isIdle_#res#1 := isIdle_~retValue_acc~7#1; [2024-11-09 22:56:21,316 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1010-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~12#1; [2024-11-09 22:56:21,316 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1617-1: isExecutiveFloor_#res#1 := isExecutiveFloor_~retValue_acc~16#1; [2024-11-09 22:56:21,316 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L332-1: areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~2#1; [2024-11-09 22:56:21,383 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2982: #res := ~retValue_acc~28; [2024-11-09 22:56:21,447 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1972-1: main_#res#1 := main_~retValue_acc~18#1; [2024-11-09 22:56:21,447 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2464-1: valid_product_#res#1 := valid_product_~retValue_acc~23#1; [2024-11-09 22:56:21,461 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2746: #res := ~retValue_acc~27; [2024-11-09 22:56:21,463 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3293: #res := ~retValue_acc~29; [2024-11-09 22:56:21,599 INFO L? ?]: Removed 480 outVars from TransFormulas that were not future-live. [2024-11-09 22:56:21,599 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:56:21,635 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:56:21,635 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:56:21,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:21 BoogieIcfgContainer [2024-11-09 22:56:21,635 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:56:21,637 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:56:21,637 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:56:21,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:56:21,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:56:18" (1/3) ... [2024-11-09 22:56:21,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dfed38 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 22:56:21,641 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 22:56:21,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dfed38 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 22:56:21,643 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 22:56:21,644 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product27.cil.c [2024-11-09 22:56:21,660 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:56:21,661 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:56:21,747 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:56:21,754 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;@aff5c9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:56:21,755 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:56:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 561 states, 443 states have (on average 1.7020316027088036) internal successors, (754), 459 states have internal predecessors, (754), 93 states have call successors, (93), 23 states have call predecessors, (93), 23 states have return successors, (93), 91 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-09 22:56:21,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 22:56:21,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:56:21,794 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:56:21,795 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:56:21,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:56:21,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1960701775, now seen corresponding path program 1 times [2024-11-09 22:56:21,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:56:21,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337014703] [2024-11-09 22:56:21,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:56:21,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:56:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 22:56:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 22:56:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 22:56:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 22:56:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 22:56:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 22:56:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 22:56:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 22:56:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:22,671 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 22:56:22,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:56:22,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337014703] [2024-11-09 22:56:22,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337014703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:56:22,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:56:22,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 22:56:22,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234753781] [2024-11-09 22:56:22,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:56:22,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 22:56:22,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:56:22,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 22:56:22,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 22:56:22,709 INFO L87 Difference]: Start difference. First operand has 561 states, 443 states have (on average 1.7020316027088036) internal successors, (754), 459 states have internal predecessors, (754), 93 states have call successors, (93), 23 states have call predecessors, (93), 23 states have return successors, (93), 91 states have call predecessors, (93), 93 states have call successors, (93) Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 22:56:24,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 22:56:24,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 22:56:24,238 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 416 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 22:56:24,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 181 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 22:56:24,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 22:56:24,241 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 22:56:24,246 INFO L158 Benchmark]: Toolchain (without parser) took 5247.25ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 95.7MB in the beginning and 145.4MB in the end (delta: -49.7MB). Peak memory consumption was 101.2MB. Max. memory is 16.1GB. [2024-11-09 22:56:24,246 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:56:24,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 861.54ms. Allocated memory is still 172.0MB. Free memory was 95.7MB in the beginning and 119.3MB in the end (delta: -23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 22:56:24,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.80ms. Allocated memory is still 172.0MB. Free memory was 119.3MB in the beginning and 113.9MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 22:56:24,247 INFO L158 Benchmark]: Boogie Preprocessor took 124.53ms. Allocated memory is still 172.0MB. Free memory was 113.9MB in the beginning and 106.7MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 22:56:24,248 INFO L158 Benchmark]: IcfgBuilder took 1529.90ms. Allocated memory is still 172.0MB. Free memory was 106.7MB in the beginning and 80.4MB in the end (delta: 26.3MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2024-11-09 22:56:24,248 INFO L158 Benchmark]: TraceAbstraction took 2607.98ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 79.3MB in the beginning and 145.4MB in the end (delta: -66.0MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-11-09 22:56:24,251 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 861.54ms. Allocated memory is still 172.0MB. Free memory was 95.7MB in the beginning and 119.3MB in the end (delta: -23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.80ms. Allocated memory is still 172.0MB. Free memory was 119.3MB in the beginning and 113.9MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.53ms. Allocated memory is still 172.0MB. Free memory was 113.9MB in the beginning and 106.7MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1529.90ms. Allocated memory is still 172.0MB. Free memory was 106.7MB in the beginning and 80.4MB in the end (delta: 26.3MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2607.98ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 79.3MB in the beginning and 145.4MB in the end (delta: -66.0MB). Peak memory consumption was 83.9MB. 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,"wsllib_check.i","") [48] - GenericResultAtLocation [Line: 57]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [57] - GenericResultAtLocation [Line: 1620]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1620] - GenericResultAtLocation [Line: 1975]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [1975] - GenericResultAtLocation [Line: 2066]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2066] - GenericResultAtLocation [Line: 2432]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2432] - GenericResultAtLocation [Line: 2467]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2467] - GenericResultAtLocation [Line: 2481]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [2481] - GenericResultAtLocation [Line: 2517]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [2517] - GenericResultAtLocation [Line: 2635]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2635] * 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 22:56:24,290 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_product27.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 6cc96375562d846fbf28439914184b0f5b3d70ee1197dff8e1988bf2754bc90e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:56:26,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:56:26,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 22:56:26,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:56:26,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:56:26,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:56:26,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:56:26,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:56:26,544 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:56:26,546 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:56:26,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:56:26,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:56:26,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:56:26,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:56:26,551 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:56:26,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:56:26,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:56:26,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:56:26,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:56:26,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:56:26,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:56:26,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:56:26,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:56:26,556 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 22:56:26,556 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 22:56:26,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:56:26,556 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 22:56:26,557 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:56:26,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:56:26,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:56:26,557 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:56:26,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:56:26,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:56:26,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:56:26,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:26,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:56:26,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:56:26,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:56:26,560 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 22:56:26,561 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 22:56:26,561 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:56:26,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:56:26,562 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:56:26,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:56:26,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cc96375562d846fbf28439914184b0f5b3d70ee1197dff8e1988bf2754bc90e [2024-11-09 22:56:26,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:56:26,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:56:26,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:56:26,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:56:26,894 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:56:26,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec14_product27.cil.c [2024-11-09 22:56:28,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:56:28,802 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:56:28,802 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product27.cil.c [2024-11-09 22:56:28,825 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1783040f3/9dcdd3fc89cb4a2a9f3474b8d22df93e/FLAG9b691c565 [2024-11-09 22:56:28,843 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1783040f3/9dcdd3fc89cb4a2a9f3474b8d22df93e [2024-11-09 22:56:28,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:56:28,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:56:28,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:28,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:56:28,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:56:28,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:28" (1/1) ... [2024-11-09 22:56:28,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491b256c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:28, skipping insertion in model container [2024-11-09 22:56:28,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:28" (1/1) ... [2024-11-09 22:56:28,927 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:56:29,135 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_product27.cil.c[1546,1559] [2024-11-09 22:56:29,403 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 22:56:29,404 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 22:56:29,415 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 22:56:29,417 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 22:56:29,421 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 22:56:29,435 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 22:56:29,439 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 22:56:29,440 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 22:56:29,444 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 22:56:29,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:29,522 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:56:29,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-09 22:56:29,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [57] [2024-11-09 22:56:29,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1620] [2024-11-09 22:56:29,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [1975] [2024-11-09 22:56:29,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2066] [2024-11-09 22:56:29,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2432] [2024-11-09 22:56:29,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2467] [2024-11-09 22:56:29,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [2481] [2024-11-09 22:56:29,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [2517] [2024-11-09 22:56:29,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2635] [2024-11-09 22:56:29,538 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_product27.cil.c[1546,1559] [2024-11-09 22:56:29,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:29,703 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:56:29,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29 WrapperNode [2024-11-09 22:56:29,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:29,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:29,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:56:29,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:56:29,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29" (1/1) ... [2024-11-09 22:56:29,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29" (1/1) ... [2024-11-09 22:56:29,803 INFO L138 Inliner]: procedures = 94, calls = 335, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 1034 [2024-11-09 22:56:29,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:29,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:56:29,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:56:29,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:56:29,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29" (1/1) ... [2024-11-09 22:56:29,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29" (1/1) ... [2024-11-09 22:56:29,838 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29" (1/1) ... [2024-11-09 22:56:29,878 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 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 22:56:29,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29" (1/1) ... [2024-11-09 22:56:29,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29" (1/1) ... [2024-11-09 22:56:29,929 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29" (1/1) ... [2024-11-09 22:56:29,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29" (1/1) ... [2024-11-09 22:56:29,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29" (1/1) ... [2024-11-09 22:56:29,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29" (1/1) ... [2024-11-09 22:56:29,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:56:29,962 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:56:29,962 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:56:29,962 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:56:29,963 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29" (1/1) ... [2024-11-09 22:56:29,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:29,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:56:29,996 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 22:56:29,999 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 22:56:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:56:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-09 22:56:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-09 22:56:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-09 22:56:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-09 22:56:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:56:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:56:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2024-11-09 22:56:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2024-11-09 22:56:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:56:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:56:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2024-11-09 22:56:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2024-11-09 22:56:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:56:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:56:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:56:30,042 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:56:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:56:30,042 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:56:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:56:30,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:56:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:56:30,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:56:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:56:30,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:56:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 22:56:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-09 22:56:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-09 22:56:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-09 22:56:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-09 22:56:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-09 22:56:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-09 22:56:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-09 22:56:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-09 22:56:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-09 22:56:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-09 22:56:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-09 22:56:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-09 22:56:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-09 22:56:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-09 22:56:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-09 22:56:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-09 22:56:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2024-11-09 22:56:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2024-11-09 22:56:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2024-11-09 22:56:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2024-11-09 22:56:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2024-11-09 22:56:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:56:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:56:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2024-11-09 22:56:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2024-11-09 22:56:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:56:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:56:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:56:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:56:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:56:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:56:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:56:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:56:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:56:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:56:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:56:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:56:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:56:30,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:56:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:56:30,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:56:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:56:30,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:56:30,287 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:56:30,290 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:56:30,377 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2632: #res := ~retValue_acc~26; [2024-11-09 22:56:30,416 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2554: #res := ~retValue_acc~24; [2024-11-09 22:56:30,422 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L150: #res := ~retValue_acc~0; [2024-11-09 22:56:30,432 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L323: #res := ~retValue_acc~1; [2024-11-09 22:56:30,561 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L979: #res#1 := ~retValue_acc~11#1; [2024-11-09 22:56:30,561 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L366-1: buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~3#1; [2024-11-09 22:56:30,566 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1608: #res := ~retValue_acc~15; [2024-11-09 22:56:30,900 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L889: #res#1 := ~retValue_acc~9#1; [2024-11-09 22:56:30,900 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L860-1: stopRequestedInDirection__wrappee__empty_#res#1 := stopRequestedInDirection__wrappee__empty_~retValue_acc~8#1; [2024-11-09 22:56:31,012 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024: #res := ~retValue_acc~13; [2024-11-09 22:56:31,027 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2593: #res := ~retValue_acc~25; [2024-11-09 22:56:31,095 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L415-1: isEmpty_#res#1 := isEmpty_~retValue_acc~5#1; [2024-11-09 22:56:31,195 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L495-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~6#1; [2024-11-09 22:56:31,195 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-1: isIdle_#res#1 := isIdle_~retValue_acc~7#1; [2024-11-09 22:56:31,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1010-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~12#1; [2024-11-09 22:56:31,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1617-1: isExecutiveFloor_#res#1 := isExecutiveFloor_~retValue_acc~16#1; [2024-11-09 22:56:31,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L332-1: areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~2#1; [2024-11-09 22:56:31,431 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2982: #res := ~retValue_acc~28; [2024-11-09 22:56:31,526 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1972-1: main_#res#1 := main_~retValue_acc~18#1; [2024-11-09 22:56:31,526 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2464-1: valid_product_#res#1 := valid_product_~retValue_acc~23#1; [2024-11-09 22:56:31,549 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2746: #res := ~retValue_acc~27; [2024-11-09 22:56:31,552 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3293: #res := ~retValue_acc~29; [2024-11-09 22:56:31,741 INFO L? ?]: Removed 480 outVars from TransFormulas that were not future-live. [2024-11-09 22:56:31,741 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:56:31,781 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:56:31,781 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:56:31,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:31 BoogieIcfgContainer [2024-11-09 22:56:31,781 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:56:31,783 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:56:31,783 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:56:31,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:56:31,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:56:28" (1/3) ... [2024-11-09 22:56:31,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c56cdd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:31, skipping insertion in model container [2024-11-09 22:56:31,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:29" (2/3) ... [2024-11-09 22:56:31,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c56cdd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:31, skipping insertion in model container [2024-11-09 22:56:31,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:31" (3/3) ... [2024-11-09 22:56:31,791 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product27.cil.c [2024-11-09 22:56:31,806 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:56:31,806 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:56:31,889 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:56:31,894 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;@66ccbb53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:56:31,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:56:31,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 561 states, 443 states have (on average 1.7020316027088036) internal successors, (754), 459 states have internal predecessors, (754), 93 states have call successors, (93), 23 states have call predecessors, (93), 23 states have return successors, (93), 91 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-09 22:56:31,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 22:56:31,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:56:31,937 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:56:31,937 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:56:31,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:56:31,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1960701775, now seen corresponding path program 1 times [2024-11-09 22:56:31,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 22:56:31,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522608770] [2024-11-09 22:56:31,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:56:31,957 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 22:56:31,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 22:56:31,961 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 22:56:31,962 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 22:56:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:32,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 22:56:32,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:56:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 22:56:32,453 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:56:32,454 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 22:56:32,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522608770] [2024-11-09 22:56:32,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1522608770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:56:32,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:56:32,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 22:56:32,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335363278] [2024-11-09 22:56:32,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:56:32,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 22:56:32,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 22:56:32,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 22:56:32,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 22:56:32,488 INFO L87 Difference]: Start difference. First operand has 561 states, 443 states have (on average 1.7020316027088036) internal successors, (754), 459 states have internal predecessors, (754), 93 states have call successors, (93), 23 states have call predecessors, (93), 23 states have return successors, (93), 91 states have call predecessors, (93), 93 states have call successors, (93) Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 22:56:32,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 22:56:32,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 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 22:56:32,589 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 5 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 749 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 22:56:32,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 749 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:56:32,601 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 22:56:32,795 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 22:56:32,796 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 22:56:32,799 INFO L158 Benchmark]: Toolchain (without parser) took 3951.72ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 41.7MB in the beginning and 37.9MB in the end (delta: 3.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2024-11-09 22:56:32,799 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 50.3MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:56:32,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 854.84ms. Allocated memory is still 62.9MB. Free memory was 41.7MB in the beginning and 30.0MB in the end (delta: 11.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 22:56:32,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.53ms. Allocated memory is still 62.9MB. Free memory was 30.0MB in the beginning and 24.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:56:32,802 INFO L158 Benchmark]: Boogie Preprocessor took 153.74ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 24.7MB in the beginning and 52.9MB in the end (delta: -28.1MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-09 22:56:32,803 INFO L158 Benchmark]: IcfgBuilder took 1819.59ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 52.9MB in the beginning and 62.9MB in the end (delta: -10.1MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-09 22:56:32,803 INFO L158 Benchmark]: TraceAbstraction took 1015.06ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 37.9MB in the end (delta: 24.3MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-11-09 22:56:32,809 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 50.3MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 854.84ms. Allocated memory is still 62.9MB. Free memory was 41.7MB in the beginning and 30.0MB in the end (delta: 11.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.53ms. Allocated memory is still 62.9MB. Free memory was 30.0MB in the beginning and 24.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.74ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 24.7MB in the beginning and 52.9MB in the end (delta: -28.1MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * IcfgBuilder took 1819.59ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 52.9MB in the beginning and 62.9MB in the end (delta: -10.1MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1015.06ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 37.9MB in the end (delta: 24.3MB). Peak memory consumption was 23.7MB. 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,"wsllib_check.i","") [48] - GenericResultAtLocation [Line: 57]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [57] - GenericResultAtLocation [Line: 1620]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1620] - GenericResultAtLocation [Line: 1975]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [1975] - GenericResultAtLocation [Line: 2066]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2066] - GenericResultAtLocation [Line: 2432]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2432] - GenericResultAtLocation [Line: 2467]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2467] - GenericResultAtLocation [Line: 2481]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [2481] - GenericResultAtLocation [Line: 2517]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [2517] - GenericResultAtLocation [Line: 2635]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2635] * 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 22:56:32,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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