./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec13_product31.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_spec13_product31.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 2e77838346608929bef5ad1e655ea0710d74ebb9f10b29169ab985d305812d92 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:55:56,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:55:56,994 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 22:55:56,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:55:56,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:55:57,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:55:57,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:55:57,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:55:57,030 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:55:57,031 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:55:57,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:55:57,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:55:57,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:55:57,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:55:57,033 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:55:57,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:55:57,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:55:57,035 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:55:57,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 22:55:57,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:55:57,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:55:57,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:55:57,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:55:57,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:55:57,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:55:57,038 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:55:57,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:55:57,039 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:55:57,039 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:55:57,040 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:55:57,040 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:55:57,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:55:57,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:55:57,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:55:57,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:55:57,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:55:57,042 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 22:55:57,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 22:55:57,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:55:57,042 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:55:57,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:55:57,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:55:57,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e77838346608929bef5ad1e655ea0710d74ebb9f10b29169ab985d305812d92 [2024-11-09 22:55:57,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:55:57,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:55:57,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:55:57,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:55:57,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:55:57,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c [2024-11-09 22:55:58,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:55:59,044 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:55:59,046 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c [2024-11-09 22:55:59,077 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37a3fbda0/8a3cabfa4a7749c49dc425f331f6415c/FLAGe6a7b47a7 [2024-11-09 22:55:59,324 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37a3fbda0/8a3cabfa4a7749c49dc425f331f6415c [2024-11-09 22:55:59,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:55:59,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:55:59,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:55:59,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:55:59,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:55:59,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:55:59" (1/1) ... [2024-11-09 22:55:59,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fbf264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:55:59, skipping insertion in model container [2024-11-09 22:55:59,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:55:59" (1/1) ... [2024-11-09 22:55:59,404 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:55:59,591 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_spec13_product31.cil.c[1546,1559] [2024-11-09 22:55:59,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:55:59,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:55:59,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-09 22:55:59,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [57] [2024-11-09 22:55:59,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification13_spec.i","") [423] [2024-11-09 22:55:59,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [517] [2024-11-09 22:55:59,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [638] [2024-11-09 22:55:59,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1306] [2024-11-09 22:55:59,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1664] [2024-11-09 22:55:59,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1679] [2024-11-09 22:55:59,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1714] [2024-11-09 22:55:59,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3329] [2024-11-09 22:55:59,981 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_spec13_product31.cil.c[1546,1559] [2024-11-09 22:56:00,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:00,090 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:56:00,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00 WrapperNode [2024-11-09 22:56:00,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:00,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:00,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:56:00,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:56:00,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00" (1/1) ... [2024-11-09 22:56:00,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00" (1/1) ... [2024-11-09 22:56:00,173 INFO L138 Inliner]: procedures = 95, calls = 348, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 915 [2024-11-09 22:56:00,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:00,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:56:00,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:56:00,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:56:00,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00" (1/1) ... [2024-11-09 22:56:00,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00" (1/1) ... [2024-11-09 22:56:00,191 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00" (1/1) ... [2024-11-09 22:56:00,231 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-09 22:56:00,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00" (1/1) ... [2024-11-09 22:56:00,231 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00" (1/1) ... [2024-11-09 22:56:00,261 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00" (1/1) ... [2024-11-09 22:56:00,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00" (1/1) ... [2024-11-09 22:56:00,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00" (1/1) ... [2024-11-09 22:56:00,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00" (1/1) ... [2024-11-09 22:56:00,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:56:00,283 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:56:00,283 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:56:00,283 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:56:00,284 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00" (1/1) ... [2024-11-09 22:56:00,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:00,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:56:00,328 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 22:56:00,331 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 22:56:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2024-11-09 22:56:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2024-11-09 22:56:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:56:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2024-11-09 22:56:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2024-11-09 22:56:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2024-11-09 22:56:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2024-11-09 22:56:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-09 22:56:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-09 22:56:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2024-11-09 22:56:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2024-11-09 22:56:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:56:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:56:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2024-11-09 22:56:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2024-11-09 22:56:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:56:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:56:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2024-11-09 22:56:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2024-11-09 22:56:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:56:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:56:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2024-11-09 22:56:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2024-11-09 22:56:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:56:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:56:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:56:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:56:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-09 22:56:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-09 22:56:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:56:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:56:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:56:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:56:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:56:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:56:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2024-11-09 22:56:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2024-11-09 22:56:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:56:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:56:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:56:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:56:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:56:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:56:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:56:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:56:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:56:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:56:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 22:56:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 22:56:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 22:56:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 22:56:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 22:56:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 22:56:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 22:56:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 22:56:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 22:56:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 22:56:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 22:56:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 22:56:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 22:56:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 22:56:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 22:56:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 22:56:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 22:56:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-09 22:56:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-09 22:56:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-09 22:56:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2024-11-09 22:56:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2024-11-09 22:56:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:56:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:56:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:56:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:56:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:56:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:56:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:56:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:56:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:56:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:56:00,607 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:56:00,609 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:56:00,696 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2688: #res#1 := ~retValue_acc~26#1; [2024-11-09 22:56:00,696 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2660-1: stopRequestedAtCurrentFloor__wrappee__empty_#res#1 := stopRequestedAtCurrentFloor__wrappee__empty_~retValue_acc~25#1; [2024-11-09 22:56:00,700 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2016: #res := ~retValue_acc~17; [2024-11-09 22:56:00,723 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L557: #res := ~retValue_acc~3; [2024-11-09 22:56:00,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3306: #res := ~retValue_acc~29; [2024-11-09 22:56:00,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3317: #res := ~retValue_acc~30; [2024-11-09 22:56:00,912 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2604-1: isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~24#1; [2024-11-09 22:56:00,913 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2541-1: stopRequestedInDirection__wrappee__twothirdsfull_#res#1 := stopRequestedInDirection__wrappee__twothirdsfull_~retValue_acc~22#1; [2024-11-09 22:56:00,913 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2570: #res#1 := ~retValue_acc~23#1; [2024-11-09 22:56:00,933 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2733: #res := ~retValue_acc~28; [2024-11-09 22:56:01,175 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2501: #res := ~retValue_acc~21; [2024-11-09 22:56:01,235 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2136-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~19#1; [2024-11-09 22:56:01,235 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2149-1: isIdle_#res#1 := isIdle_~retValue_acc~20#1; [2024-11-09 22:56:01,383 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2719-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~27#1; [2024-11-09 22:56:01,389 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1303: #res := ~retValue_acc~8; [2024-11-09 22:56:01,400 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L635: #res := ~retValue_acc~5; [2024-11-09 22:56:01,402 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1791: #res := ~retValue_acc~13; [2024-11-09 22:56:01,404 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1964: #res := ~retValue_acc~14; [2024-11-09 22:56:01,527 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L596: #res := ~retValue_acc~4; [2024-11-09 22:56:01,544 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2007: #res := ~retValue_acc~16; [2024-11-09 22:56:01,584 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056-1: isEmpty_#res#1 := isEmpty_~retValue_acc~18#1; [2024-11-09 22:56:01,639 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L992: #res := ~retValue_acc~7; [2024-11-09 22:56:01,711 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1661-1: main_#res#1 := main_~retValue_acc~10#1; [2024-11-09 22:56:01,711 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1711-1: valid_product_#res#1 := valid_product_~retValue_acc~12#1; [2024-11-09 22:56:01,724 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L756: #res := ~retValue_acc~6; [2024-11-09 22:56:01,946 INFO L? ?]: Removed 521 outVars from TransFormulas that were not future-live. [2024-11-09 22:56:01,946 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:56:01,982 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:56:01,983 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:56:01,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:01 BoogieIcfgContainer [2024-11-09 22:56:01,983 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:56:01,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:56:01,990 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:56:01,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:56:01,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:55:59" (1/3) ... [2024-11-09 22:56:01,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa3b672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:01, skipping insertion in model container [2024-11-09 22:56:01,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:00" (2/3) ... [2024-11-09 22:56:01,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa3b672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:01, skipping insertion in model container [2024-11-09 22:56:01,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:01" (3/3) ... [2024-11-09 22:56:01,997 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec13_product31.cil.c [2024-11-09 22:56:02,014 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:56:02,015 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:56:02,114 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:56:02,120 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;@29248ca1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:56:02,120 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:56:02,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 661 states, 523 states have (on average 1.6806883365200764) internal successors, (879), 541 states have internal predecessors, (879), 108 states have call successors, (108), 28 states have call predecessors, (108), 28 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-09 22:56:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 22:56:02,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:56:02,173 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:56:02,173 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:56:02,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:56:02,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1566240061, now seen corresponding path program 1 times [2024-11-09 22:56:02,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:56:02,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972412644] [2024-11-09 22:56:02,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:56:02,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:56:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:02,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 22:56:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:02,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 22:56:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:02,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 22:56:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:02,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:02,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 22:56:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 22:56:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 22:56:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 22:56:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 22:56:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 22:56:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 22:56:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 22:56:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 22:56:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 22:56:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 22:56:03,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:56:03,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972412644] [2024-11-09 22:56:03,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972412644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 22:56:03,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571257783] [2024-11-09 22:56:03,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:56:03,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 22:56:03,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:56:03,076 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 22:56:03,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 22:56:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:03,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 1403 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 22:56:03,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:56:03,507 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 22:56:03,508 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:56:03,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571257783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:56:03,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 22:56:03,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-09 22:56:03,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312698957] [2024-11-09 22:56:03,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:56:03,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 22:56:03,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:56:03,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 22:56:03,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 22:56:03,543 INFO L87 Difference]: Start difference. First operand has 661 states, 523 states have (on average 1.6806883365200764) internal successors, (879), 541 states have internal predecessors, (879), 108 states have call successors, (108), 28 states have call predecessors, (108), 28 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 22:56:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 22:56:03,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 22:56:03,628 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 5 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 22:56:03,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 804 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:56:03,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 22:56:03,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 22:56:03,832 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 22:56:03,836 INFO L158 Benchmark]: Toolchain (without parser) took 4508.12ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 124.7MB in the beginning and 79.5MB in the end (delta: 45.2MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2024-11-09 22:56:03,836 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory was 85.6MB in the beginning and 85.5MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:56:03,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 763.19ms. Allocated memory is still 159.4MB. Free memory was 124.7MB in the beginning and 79.0MB in the end (delta: 45.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-09 22:56:03,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.74ms. Allocated memory is still 159.4MB. Free memory was 78.0MB in the beginning and 72.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:56:03,840 INFO L158 Benchmark]: Boogie Preprocessor took 107.79ms. Allocated memory is still 159.4MB. Free memory was 72.7MB in the beginning and 66.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:56:03,841 INFO L158 Benchmark]: IcfgBuilder took 1700.34ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 65.5MB in the beginning and 138.2MB in the end (delta: -72.7MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2024-11-09 22:56:03,842 INFO L158 Benchmark]: TraceAbstraction took 1845.00ms. Allocated memory is still 205.5MB. Free memory was 138.2MB in the beginning and 79.5MB in the end (delta: 58.6MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-09 22:56:03,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory was 85.6MB in the beginning and 85.5MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 763.19ms. Allocated memory is still 159.4MB. Free memory was 124.7MB in the beginning and 79.0MB in the end (delta: 45.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.74ms. Allocated memory is still 159.4MB. Free memory was 78.0MB in the beginning and 72.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.79ms. Allocated memory is still 159.4MB. Free memory was 72.7MB in the beginning and 66.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1700.34ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 65.5MB in the beginning and 138.2MB in the end (delta: -72.7MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1845.00ms. Allocated memory is still 205.5MB. Free memory was 138.2MB in the beginning and 79.5MB in the end (delta: 58.6MB). Peak memory consumption was 58.6MB. 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,"libacc.i","") [57] - GenericResultAtLocation [Line: 423]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification13_spec.i","") [423] - GenericResultAtLocation [Line: 517]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [517] - GenericResultAtLocation [Line: 638]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [638] - GenericResultAtLocation [Line: 1306]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1306] - GenericResultAtLocation [Line: 1664]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1664] - GenericResultAtLocation [Line: 1679]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1679] - GenericResultAtLocation [Line: 1714]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1714] - GenericResultAtLocation [Line: 3329]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3329] * 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 22:56:03,884 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 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_spec13_product31.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 2e77838346608929bef5ad1e655ea0710d74ebb9f10b29169ab985d305812d92 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:56:06,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:56:06,130 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 22:56:06,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:56:06,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:56:06,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:56:06,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:56:06,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:56:06,169 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:56:06,171 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:56:06,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:56:06,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:56:06,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:56:06,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:56:06,174 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:56:06,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:56:06,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:56:06,175 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:56:06,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:56:06,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:56:06,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:56:06,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:56:06,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:56:06,180 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 22:56:06,180 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 22:56:06,181 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:56:06,181 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 22:56:06,181 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:56:06,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:56:06,182 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:56:06,182 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:56:06,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:56:06,182 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:56:06,183 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:56:06,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:06,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:56:06,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:56:06,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:56:06,185 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 22:56:06,186 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 22:56:06,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:56:06,187 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:56:06,187 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:56:06,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:56:06,188 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e77838346608929bef5ad1e655ea0710d74ebb9f10b29169ab985d305812d92 [2024-11-09 22:56:06,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:56:06,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:56:06,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:56:06,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:56:06,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:56:06,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c [2024-11-09 22:56:08,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:56:08,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:56:08,341 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c [2024-11-09 22:56:08,365 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec1818ae/be87676d3e4a409cb114d4c64c34068e/FLAG54851fe46 [2024-11-09 22:56:08,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec1818ae/be87676d3e4a409cb114d4c64c34068e [2024-11-09 22:56:08,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:56:08,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:56:08,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:08,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:56:08,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:56:08,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:08" (1/1) ... [2024-11-09 22:56:08,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ac68ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:08, skipping insertion in model container [2024-11-09 22:56:08,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:08" (1/1) ... [2024-11-09 22:56:08,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:56:08,879 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_spec13_product31.cil.c[1546,1559] [2024-11-09 22:56:08,899 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 22:56:08,904 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 22:56:08,917 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 22:56:08,928 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 22:56:08,937 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 22:56:08,960 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 22:56:08,964 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 22:56:08,968 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 22:56:08,970 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 22:56:09,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:09,259 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:56:09,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-09 22:56:09,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [57] [2024-11-09 22:56:09,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification13_spec.i","") [423] [2024-11-09 22:56:09,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [517] [2024-11-09 22:56:09,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [638] [2024-11-09 22:56:09,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1306] [2024-11-09 22:56:09,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1664] [2024-11-09 22:56:09,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1679] [2024-11-09 22:56:09,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1714] [2024-11-09 22:56:09,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3329] [2024-11-09 22:56:09,277 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_spec13_product31.cil.c[1546,1559] [2024-11-09 22:56:09,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:09,403 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:56:09,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09 WrapperNode [2024-11-09 22:56:09,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:09,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:09,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:56:09,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:56:09,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09" (1/1) ... [2024-11-09 22:56:09,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09" (1/1) ... [2024-11-09 22:56:09,514 INFO L138 Inliner]: procedures = 97, calls = 348, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 856 [2024-11-09 22:56:09,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:09,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:56:09,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:56:09,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:56:09,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09" (1/1) ... [2024-11-09 22:56:09,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09" (1/1) ... [2024-11-09 22:56:09,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09" (1/1) ... [2024-11-09 22:56:09,581 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-09 22:56:09,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09" (1/1) ... [2024-11-09 22:56:09,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09" (1/1) ... [2024-11-09 22:56:09,599 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09" (1/1) ... [2024-11-09 22:56:09,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09" (1/1) ... [2024-11-09 22:56:09,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09" (1/1) ... [2024-11-09 22:56:09,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09" (1/1) ... [2024-11-09 22:56:09,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:56:09,618 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:56:09,618 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:56:09,619 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:56:09,619 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09" (1/1) ... [2024-11-09 22:56:09,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:09,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:56:09,658 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 22:56:09,662 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 22:56:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2024-11-09 22:56:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2024-11-09 22:56:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:56:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2024-11-09 22:56:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2024-11-09 22:56:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2024-11-09 22:56:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2024-11-09 22:56:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-09 22:56:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-09 22:56:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2024-11-09 22:56:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2024-11-09 22:56:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:56:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:56:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2024-11-09 22:56:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2024-11-09 22:56:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:56:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:56:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2024-11-09 22:56:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2024-11-09 22:56:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:56:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:56:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2024-11-09 22:56:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2024-11-09 22:56:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:56:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:56:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:56:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:56:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-09 22:56:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-09 22:56:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:56:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:56:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:56:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:56:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:56:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:56:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 22:56:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-09 22:56:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-09 22:56:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-09 22:56:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-09 22:56:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-09 22:56:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-09 22:56:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-09 22:56:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-09 22:56:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-09 22:56:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-09 22:56:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-09 22:56:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-09 22:56:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-09 22:56:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-09 22:56:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-09 22:56:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-09 22:56:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2024-11-09 22:56:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2024-11-09 22:56:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2024-11-09 22:56:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2024-11-09 22:56:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2024-11-09 22:56:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:56:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:56:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:56:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:56:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:56:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:56:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:56:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:56:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:56:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:56:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2024-11-09 22:56:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2024-11-09 22:56:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:56:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:56:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:56:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:56:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:56:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:56:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:56:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:56:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:56:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:56:09,953 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:56:09,956 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:56:10,072 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2688: #res#1 := ~retValue_acc~26#1; [2024-11-09 22:56:10,073 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2660-1: stopRequestedAtCurrentFloor__wrappee__empty_#res#1 := stopRequestedAtCurrentFloor__wrappee__empty_~retValue_acc~25#1; [2024-11-09 22:56:10,079 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2016: #res := ~retValue_acc~17; [2024-11-09 22:56:10,119 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L557: #res := ~retValue_acc~3; [2024-11-09 22:56:10,270 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3306: #res := ~retValue_acc~29; [2024-11-09 22:56:10,307 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3317: #res := ~retValue_acc~30; [2024-11-09 22:56:10,389 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2604-1: isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~24#1; [2024-11-09 22:56:10,390 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2541-1: stopRequestedInDirection__wrappee__twothirdsfull_#res#1 := stopRequestedInDirection__wrappee__twothirdsfull_~retValue_acc~22#1; [2024-11-09 22:56:10,390 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2570: #res#1 := ~retValue_acc~23#1; [2024-11-09 22:56:10,403 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2733: #res := ~retValue_acc~28; [2024-11-09 22:56:10,618 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2501: #res := ~retValue_acc~21; [2024-11-09 22:56:10,684 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2136-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~19#1; [2024-11-09 22:56:10,684 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2149-1: isIdle_#res#1 := isIdle_~retValue_acc~20#1; [2024-11-09 22:56:10,839 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2719-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~27#1; [2024-11-09 22:56:10,846 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1303: #res := ~retValue_acc~8; [2024-11-09 22:56:10,868 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L635: #res := ~retValue_acc~5; [2024-11-09 22:56:10,875 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1791: #res := ~retValue_acc~13; [2024-11-09 22:56:10,877 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1964: #res := ~retValue_acc~14; [2024-11-09 22:56:11,054 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L596: #res := ~retValue_acc~4; [2024-11-09 22:56:11,078 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2007: #res := ~retValue_acc~16; [2024-11-09 22:56:11,134 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056-1: isEmpty_#res#1 := isEmpty_~retValue_acc~18#1; [2024-11-09 22:56:11,228 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L992: #res := ~retValue_acc~7; [2024-11-09 22:56:11,331 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1661-1: main_#res#1 := main_~retValue_acc~10#1; [2024-11-09 22:56:11,331 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1711-1: valid_product_#res#1 := valid_product_~retValue_acc~12#1; [2024-11-09 22:56:11,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L756: #res := ~retValue_acc~6; [2024-11-09 22:56:11,548 INFO L? ?]: Removed 521 outVars from TransFormulas that were not future-live. [2024-11-09 22:56:11,548 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:56:11,578 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:56:11,580 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:56:11,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:11 BoogieIcfgContainer [2024-11-09 22:56:11,581 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:56:11,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:56:11,583 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:56:11,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:56:11,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:56:08" (1/3) ... [2024-11-09 22:56:11,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb0300e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:11, skipping insertion in model container [2024-11-09 22:56:11,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:09" (2/3) ... [2024-11-09 22:56:11,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb0300e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:11, skipping insertion in model container [2024-11-09 22:56:11,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:11" (3/3) ... [2024-11-09 22:56:11,591 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec13_product31.cil.c [2024-11-09 22:56:11,607 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:56:11,608 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:56:11,726 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:56:11,732 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;@6b86ee76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:56:11,733 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:56:11,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 661 states, 523 states have (on average 1.6806883365200764) internal successors, (879), 541 states have internal predecessors, (879), 108 states have call successors, (108), 28 states have call predecessors, (108), 28 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-09 22:56:11,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 22:56:11,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:56:11,787 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:56:11,787 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:56:11,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:56:11,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1566240061, now seen corresponding path program 1 times [2024-11-09 22:56:11,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 22:56:11,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52599204] [2024-11-09 22:56:11,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:56:11,810 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 22:56:11,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 22:56:11,813 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 22:56:11,815 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 22:56:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:12,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 22:56:12,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:56:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 22:56:12,357 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:56:12,357 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 22:56:12,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [52599204] [2024-11-09 22:56:12,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [52599204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:56:12,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:56:12,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 22:56:12,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359827995] [2024-11-09 22:56:12,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:56:12,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 22:56:12,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 22:56:12,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 22:56:12,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 22:56:12,401 INFO L87 Difference]: Start difference. First operand has 661 states, 523 states have (on average 1.6806883365200764) internal successors, (879), 541 states have internal predecessors, (879), 108 states have call successors, (108), 28 states have call predecessors, (108), 28 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 22:56:12,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 22:56:12,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 129 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 22:56:12,522 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 5 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 22:56:12,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 804 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:56:12,537 INFO L552 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)] Ended with exit code 0 [2024-11-09 22:56:12,728 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 22:56:12,729 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 22:56:12,732 INFO L158 Benchmark]: Toolchain (without parser) took 4137.78ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 40.4MB in the beginning and 60.9MB in the end (delta: -20.5MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-09 22:56:12,732 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:56:12,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 808.65ms. Allocated memory is still 75.5MB. Free memory was 40.1MB in the beginning and 31.7MB in the end (delta: 8.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-09 22:56:12,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.55ms. Allocated memory is still 75.5MB. Free memory was 31.7MB in the beginning and 51.7MB in the end (delta: -20.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-09 22:56:12,734 INFO L158 Benchmark]: Boogie Preprocessor took 101.96ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 44.5MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:56:12,734 INFO L158 Benchmark]: IcfgBuilder took 1962.84ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 44.5MB in the beginning and 30.8MB in the end (delta: 13.7MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-11-09 22:56:12,735 INFO L158 Benchmark]: TraceAbstraction took 1148.65ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 30.0MB in the beginning and 60.9MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:56:12,737 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 808.65ms. Allocated memory is still 75.5MB. Free memory was 40.1MB in the beginning and 31.7MB in the end (delta: 8.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.55ms. Allocated memory is still 75.5MB. Free memory was 31.7MB in the beginning and 51.7MB in the end (delta: -20.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.96ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 44.5MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1962.84ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 44.5MB in the beginning and 30.8MB in the end (delta: 13.7MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1148.65ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 30.0MB in the beginning and 60.9MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] - GenericResultAtLocation [Line: 57]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [57] - GenericResultAtLocation [Line: 423]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification13_spec.i","") [423] - GenericResultAtLocation [Line: 517]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [517] - GenericResultAtLocation [Line: 638]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [638] - GenericResultAtLocation [Line: 1306]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1306] - GenericResultAtLocation [Line: 1664]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1664] - GenericResultAtLocation [Line: 1679]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1679] - GenericResultAtLocation [Line: 1714]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1714] - GenericResultAtLocation [Line: 3329]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3329] * 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 22:56:12,776 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