./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec1_product18.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_spec1_product18.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 8f67cb4d69b9f8349c20986099ec654a7bad708130567f012247d97f1e51ceb8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:56:35,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:56:36,018 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 22:56:36,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:56:36,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:56:36,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:56:36,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:56:36,049 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:56:36,049 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:56:36,050 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:56:36,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:56:36,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:56:36,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:56:36,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:56:36,053 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:56:36,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:56:36,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:56:36,054 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:56:36,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 22:56:36,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:56:36,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:56:36,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:56:36,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:56:36,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:56:36,067 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:56:36,067 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:56:36,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:56:36,068 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:56:36,068 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:56:36,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:56:36,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:56:36,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:56:36,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:36,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:56:36,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:56:36,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:56:36,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 22:56:36,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 22:56:36,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:56:36,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:56:36,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:56:36,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:56:36,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f67cb4d69b9f8349c20986099ec654a7bad708130567f012247d97f1e51ceb8 [2024-11-09 22:56:36,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:56:36,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:56:36,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:56:36,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:56:36,277 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:56:36,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec1_product18.cil.c [2024-11-09 22:56:37,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:56:37,789 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:56:37,789 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product18.cil.c [2024-11-09 22:56:37,804 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f24d1eb38/5108660c5d0d43bfb48c25dd0e0ee2f2/FLAG9c4c5d32e [2024-11-09 22:56:37,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f24d1eb38/5108660c5d0d43bfb48c25dd0e0ee2f2 [2024-11-09 22:56:37,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:56:37,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:56:37,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:37,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:56:37,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:56:37,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:37" (1/1) ... [2024-11-09 22:56:37,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355ccc87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:37, skipping insertion in model container [2024-11-09 22:56:37,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:37" (1/1) ... [2024-11-09 22:56:37,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:56:38,032 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_spec1_product18.cil.c[1545,1558] [2024-11-09 22:56:38,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:38,282 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:56:38,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-09 22:56:38,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [57] [2024-11-09 22:56:38,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [730] [2024-11-09 22:56:38,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [1096] [2024-11-09 22:56:38,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1282] [2024-11-09 22:56:38,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [2778] [2024-11-09 22:56:38,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [2897] [2024-11-09 22:56:38,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2989] [2024-11-09 22:56:38,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [3027] [2024-11-09 22:56:38,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [3043] [2024-11-09 22:56:38,296 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_spec1_product18.cil.c[1545,1558] [2024-11-09 22:56:38,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:38,403 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:56:38,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38 WrapperNode [2024-11-09 22:56:38,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:38,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:38,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:56:38,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:56:38,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38" (1/1) ... [2024-11-09 22:56:38,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38" (1/1) ... [2024-11-09 22:56:38,465 INFO L138 Inliner]: procedures = 92, calls = 339, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 804 [2024-11-09 22:56:38,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:38,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:56:38,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:56:38,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:56:38,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38" (1/1) ... [2024-11-09 22:56:38,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38" (1/1) ... [2024-11-09 22:56:38,482 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38" (1/1) ... [2024-11-09 22:56:38,516 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 22:56:38,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38" (1/1) ... [2024-11-09 22:56:38,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38" (1/1) ... [2024-11-09 22:56:38,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38" (1/1) ... [2024-11-09 22:56:38,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38" (1/1) ... [2024-11-09 22:56:38,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38" (1/1) ... [2024-11-09 22:56:38,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38" (1/1) ... [2024-11-09 22:56:38,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:56:38,553 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:56:38,553 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:56:38,553 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:56:38,554 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38" (1/1) ... [2024-11-09 22:56:38,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:38,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:56:38,581 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 22:56:38,583 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 22:56:38,616 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2024-11-09 22:56:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2024-11-09 22:56:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:56:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-09 22:56:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-09 22:56:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-09 22:56:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-09 22:56:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:56:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:56:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:56:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:56:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:56:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:56:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:56:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:56:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:56:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:56:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2024-11-09 22:56:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2024-11-09 22:56:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-09 22:56:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-09 22:56:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:56:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:56:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:56:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:56:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:56:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:56:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:56:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:56:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:56:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:56:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:56:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:56:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:56:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:56:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:56:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:56:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 22:56:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 22:56:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 22:56:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 22:56:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 22:56:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 22:56:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 22:56:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 22:56:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 22:56:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 22:56:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 22:56:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 22:56:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 22:56:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 22:56:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 22:56:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 22:56:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 22:56:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-09 22:56:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-09 22:56:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-09 22:56:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight [2024-11-09 22:56:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight [2024-11-09 22:56:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:56:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:56:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:56:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:56:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:56:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:56:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:56:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:56:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:56:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:56:38,793 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:56:38,796 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:56:38,855 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2894: #res := ~retValue_acc~21; [2024-11-09 22:56:38,876 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2816: #res := ~retValue_acc~19; [2024-11-09 22:56:38,878 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1362: #res := ~retValue_acc~6; [2024-11-09 22:56:39,130 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2052: #res := ~retValue_acc~14; [2024-11-09 22:56:39,183 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2156: #res := ~retValue_acc~17; [2024-11-09 22:56:39,194 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2855: #res := ~retValue_acc~20; [2024-11-09 22:56:39,315 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2142-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~16#1; [2024-11-09 22:56:39,315 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1558-1: buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~9#1; [2024-11-09 22:56:39,379 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1687-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~12#1; [2024-11-09 22:56:39,379 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1700-1: isIdle_#res#1 := isIdle_~retValue_acc~13#1; [2024-11-09 22:56:39,424 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1515-1: getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~7#1; [2024-11-09 22:56:39,470 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L416: #res := ~retValue_acc~1; [2024-11-09 22:56:39,532 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3390-1: main_#res#1 := main_~retValue_acc~25#1; [2024-11-09 22:56:39,532 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3024-1: valid_product_#res#1 := valid_product_~retValue_acc~23#1; [2024-11-09 22:56:39,547 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L175: #res := ~retValue_acc~0; [2024-11-09 22:56:39,548 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1524: #res := ~retValue_acc~8; [2024-11-09 22:56:39,554 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L727: #res := ~retValue_acc~2; [2024-11-09 22:56:39,678 INFO L? ?]: Removed 452 outVars from TransFormulas that were not future-live. [2024-11-09 22:56:39,678 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:56:39,704 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:56:39,704 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:56:39,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:39 BoogieIcfgContainer [2024-11-09 22:56:39,705 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:56:39,710 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:56:39,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:56:39,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:56:39,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:56:37" (1/3) ... [2024-11-09 22:56:39,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e9a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:39, skipping insertion in model container [2024-11-09 22:56:39,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:38" (2/3) ... [2024-11-09 22:56:39,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e9a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:39, skipping insertion in model container [2024-11-09 22:56:39,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:39" (3/3) ... [2024-11-09 22:56:39,715 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product18.cil.c [2024-11-09 22:56:39,727 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:56:39,727 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:56:39,791 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:56:39,796 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;@69b07ec1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:56:39,796 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:56:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 572 states, 453 states have (on average 1.706401766004415) internal successors, (773), 476 states have internal predecessors, (773), 94 states have call successors, (94), 23 states have call predecessors, (94), 23 states have return successors, (94), 87 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-09 22:56:39,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 22:56:39,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:56:39,826 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 22:56:39,827 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:56:39,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:56:39,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1005929409, now seen corresponding path program 1 times [2024-11-09 22:56:39,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:56:39,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170438030] [2024-11-09 22:56:39,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:56:39,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:56:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:40,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 22:56:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:40,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:40,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 22:56:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:40,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 22:56:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:40,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:40,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 22:56:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:40,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 22:56:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:40,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:40,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:40,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 22:56:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 22:56:40,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:56:40,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170438030] [2024-11-09 22:56:40,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170438030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 22:56:40,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409522796] [2024-11-09 22:56:40,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:56:40,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 22:56:40,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:56:40,865 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 22:56:40,867 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 22:56:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:41,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 1731 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 22:56:41,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:56:41,159 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 22:56:41,159 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:56:41,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409522796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:56:41,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 22:56:41,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2024-11-09 22:56:41,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31193008] [2024-11-09 22:56:41,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:56:41,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 22:56:41,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:56:41,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 22:56:41,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 22:56:41,183 INFO L87 Difference]: Start difference. First operand has 572 states, 453 states have (on average 1.706401766004415) internal successors, (773), 476 states have internal predecessors, (773), 94 states have call successors, (94), 23 states have call predecessors, (94), 23 states have return successors, (94), 87 states have call predecessors, (94), 94 states have call successors, (94) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-09 22:56:41,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 22:56:41,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 22:56:41,216 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 22:56:41,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:56:41,233 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 22:56:41,420 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 22:56:41,424 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 22:56:41,427 INFO L158 Benchmark]: Toolchain (without parser) took 3602.84ms. Allocated memory was 167.8MB in the beginning and 270.5MB in the end (delta: 102.8MB). Free memory was 109.0MB in the beginning and 91.3MB in the end (delta: 17.8MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. [2024-11-09 22:56:41,427 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 167.8MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:56:41,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.71ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 62.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-09 22:56:41,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.93ms. Allocated memory is still 167.8MB. Free memory was 62.8MB in the beginning and 57.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:56:41,428 INFO L158 Benchmark]: Boogie Preprocessor took 86.58ms. Allocated memory is still 167.8MB. Free memory was 57.8MB in the beginning and 51.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:56:41,428 INFO L158 Benchmark]: IcfgBuilder took 1151.31ms. Allocated memory was 167.8MB in the beginning and 270.5MB in the end (delta: 102.8MB). Free memory was 51.5MB in the beginning and 215.5MB in the end (delta: -164.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-11-09 22:56:41,428 INFO L158 Benchmark]: TraceAbstraction took 1716.41ms. Allocated memory is still 270.5MB. Free memory was 214.4MB in the beginning and 91.3MB in the end (delta: 123.2MB). Peak memory consumption was 122.8MB. Max. memory is 16.1GB. [2024-11-09 22:56:41,431 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 167.8MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.71ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 62.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.93ms. Allocated memory is still 167.8MB. Free memory was 62.8MB in the beginning and 57.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.58ms. Allocated memory is still 167.8MB. Free memory was 57.8MB in the beginning and 51.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1151.31ms. Allocated memory was 167.8MB in the beginning and 270.5MB in the end (delta: 102.8MB). Free memory was 51.5MB in the beginning and 215.5MB in the end (delta: -164.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1716.41ms. Allocated memory is still 270.5MB. Free memory was 214.4MB in the beginning and 91.3MB in the end (delta: 123.2MB). Peak memory consumption was 122.8MB. 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,"Floor.i","") [57] - GenericResultAtLocation [Line: 730]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [730] - GenericResultAtLocation [Line: 1096]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [1096] - GenericResultAtLocation [Line: 1282]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1282] - GenericResultAtLocation [Line: 2778]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [2778] - GenericResultAtLocation [Line: 2897]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [2897] - GenericResultAtLocation [Line: 2989]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2989] - GenericResultAtLocation [Line: 3027]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [3027] - GenericResultAtLocation [Line: 3043]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [3043] * 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 22:56:41,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/elevator_spec1_product18.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 8f67cb4d69b9f8349c20986099ec654a7bad708130567f012247d97f1e51ceb8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:56:43,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:56:43,228 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 22:56:43,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:56:43,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:56:43,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:56:43,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:56:43,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:56:43,256 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:56:43,257 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:56:43,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:56:43,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:56:43,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:56:43,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:56:43,259 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:56:43,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:56:43,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:56:43,260 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:56:43,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:56:43,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:56:43,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:56:43,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:56:43,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:56:43,264 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 22:56:43,264 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 22:56:43,264 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:56:43,264 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 22:56:43,264 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:56:43,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:56:43,265 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:56:43,265 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:56:43,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:56:43,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:56:43,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:56:43,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:43,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:56:43,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:56:43,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:56:43,266 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 22:56:43,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 22:56:43,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:56:43,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:56:43,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:56:43,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:56:43,268 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f67cb4d69b9f8349c20986099ec654a7bad708130567f012247d97f1e51ceb8 [2024-11-09 22:56:43,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:56:43,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:56:43,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:56:43,516 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:56:43,516 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:56:43,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec1_product18.cil.c [2024-11-09 22:56:44,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:56:44,999 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:56:44,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product18.cil.c [2024-11-09 22:56:45,018 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49be136d2/2136a14b7bdf4cd18f105fd69f3f6df7/FLAGbe1716b91 [2024-11-09 22:56:45,033 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49be136d2/2136a14b7bdf4cd18f105fd69f3f6df7 [2024-11-09 22:56:45,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:56:45,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:56:45,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:45,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:56:45,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:56:45,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f89e30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45, skipping insertion in model container [2024-11-09 22:56:45,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:56:45,259 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_spec1_product18.cil.c[1545,1558] [2024-11-09 22:56:45,333 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 22:56:45,336 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 22:56:45,342 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 22:56:45,349 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 22:56:45,352 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 22:56:45,359 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 22:56:45,360 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 22:56:45,362 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 22:56:45,363 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 22:56:45,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:45,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:56:45,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-09 22:56:45,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [57] [2024-11-09 22:56:45,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [730] [2024-11-09 22:56:45,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [1096] [2024-11-09 22:56:45,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1282] [2024-11-09 22:56:45,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [2778] [2024-11-09 22:56:45,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [2897] [2024-11-09 22:56:45,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2989] [2024-11-09 22:56:45,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [3027] [2024-11-09 22:56:45,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [3043] [2024-11-09 22:56:45,538 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product18.cil.c[1545,1558] [2024-11-09 22:56:45,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:45,673 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:56:45,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45 WrapperNode [2024-11-09 22:56:45,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:45,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:45,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:56:45,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:56:45,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,749 INFO L138 Inliner]: procedures = 94, calls = 339, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 761 [2024-11-09 22:56:45,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:45,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:56:45,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:56:45,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:56:45,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,769 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,793 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 22:56:45,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,805 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:56:45,820 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:56:45,820 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:56:45,820 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:56:45,821 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45" (1/1) ... [2024-11-09 22:56:45,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:45,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:56:45,852 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 22:56:45,854 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 22:56:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2024-11-09 22:56:45,889 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2024-11-09 22:56:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:56:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-09 22:56:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-09 22:56:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-09 22:56:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-09 22:56:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:56:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:56:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:56:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:56:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:56:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:56:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:56:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:56:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:56:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:56:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2024-11-09 22:56:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2024-11-09 22:56:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-09 22:56:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-09 22:56:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:56:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:56:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:56:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:56:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:56:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:56:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 22:56:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-09 22:56:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-09 22:56:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-09 22:56:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-09 22:56:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-09 22:56:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-09 22:56:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-09 22:56:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-09 22:56:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-09 22:56:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-09 22:56:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-09 22:56:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-09 22:56:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-09 22:56:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-09 22:56:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-09 22:56:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-09 22:56:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2024-11-09 22:56:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2024-11-09 22:56:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2024-11-09 22:56:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:56:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:56:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:56:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:56:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:56:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:56:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:56:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:56:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:56:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:56:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight [2024-11-09 22:56:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight [2024-11-09 22:56:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:56:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:56:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:56:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:56:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:56:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:56:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:56:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:56:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:56:45,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:56:46,046 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:56:46,048 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:56:46,107 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2894: #res := ~retValue_acc~21; [2024-11-09 22:56:46,131 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2816: #res := ~retValue_acc~19; [2024-11-09 22:56:46,135 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1362: #res := ~retValue_acc~6; [2024-11-09 22:56:46,472 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2052: #res := ~retValue_acc~14; [2024-11-09 22:56:46,532 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2156: #res := ~retValue_acc~17; [2024-11-09 22:56:46,545 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2855: #res := ~retValue_acc~20; [2024-11-09 22:56:46,649 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2142-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~16#1; [2024-11-09 22:56:46,649 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1558-1: buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~9#1; [2024-11-09 22:56:46,722 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1687-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~12#1; [2024-11-09 22:56:46,723 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1700-1: isIdle_#res#1 := isIdle_~retValue_acc~13#1; [2024-11-09 22:56:46,771 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1515-1: getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~7#1; [2024-11-09 22:56:46,825 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L416: #res := ~retValue_acc~1; [2024-11-09 22:56:46,901 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3390-1: main_#res#1 := main_~retValue_acc~25#1; [2024-11-09 22:56:46,901 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3024-1: valid_product_#res#1 := valid_product_~retValue_acc~23#1; [2024-11-09 22:56:46,918 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L175: #res := ~retValue_acc~0; [2024-11-09 22:56:46,920 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1524: #res := ~retValue_acc~8; [2024-11-09 22:56:46,924 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L727: #res := ~retValue_acc~2; [2024-11-09 22:56:47,058 INFO L? ?]: Removed 452 outVars from TransFormulas that were not future-live. [2024-11-09 22:56:47,059 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:56:47,080 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:56:47,080 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:56:47,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:47 BoogieIcfgContainer [2024-11-09 22:56:47,081 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:56:47,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:56:47,084 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:56:47,086 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:56:47,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:56:45" (1/3) ... [2024-11-09 22:56:47,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4ac89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:47, skipping insertion in model container [2024-11-09 22:56:47,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:45" (2/3) ... [2024-11-09 22:56:47,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4ac89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:47, skipping insertion in model container [2024-11-09 22:56:47,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:47" (3/3) ... [2024-11-09 22:56:47,090 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product18.cil.c [2024-11-09 22:56:47,102 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:56:47,103 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:56:47,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:56:47,175 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;@525582d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:56:47,175 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:56:47,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 572 states, 453 states have (on average 1.706401766004415) internal successors, (773), 476 states have internal predecessors, (773), 94 states have call successors, (94), 23 states have call predecessors, (94), 23 states have return successors, (94), 87 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-09 22:56:47,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 22:56:47,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:56:47,198 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 22:56:47,199 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:56:47,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:56:47,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1005929409, now seen corresponding path program 1 times [2024-11-09 22:56:47,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 22:56:47,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300328337] [2024-11-09 22:56:47,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:56:47,213 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 22:56:47,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 22:56:47,214 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 22:56:47,215 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 22:56:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:47,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 22:56:47,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:56:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 22:56:47,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:56:47,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 22:56:47,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300328337] [2024-11-09 22:56:47,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300328337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:56:47,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:56:47,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 22:56:47,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337846740] [2024-11-09 22:56:47,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:56:47,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 22:56:47,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 22:56:47,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 22:56:47,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 22:56:47,636 INFO L87 Difference]: Start difference. First operand has 572 states, 453 states have (on average 1.706401766004415) internal successors, (773), 476 states have internal predecessors, (773), 94 states have call successors, (94), 23 states have call predecessors, (94), 23 states have return successors, (94), 87 states have call predecessors, (94), 94 states have call successors, (94) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-09 22:56:47,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 22:56:47,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 22:56:47,682 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 22:56:47,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:56:47,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 22:56:47,884 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 22:56:47,885 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 22:56:47,888 INFO L158 Benchmark]: Toolchain (without parser) took 2851.80ms. Allocated memory was 73.4MB in the beginning and 144.7MB in the end (delta: 71.3MB). Free memory was 46.5MB in the beginning and 72.4MB in the end (delta: -25.9MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-11-09 22:56:47,889 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 73.4MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:56:47,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.67ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 46.2MB in the beginning and 80.1MB in the end (delta: -33.8MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-11-09 22:56:47,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.17ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 75.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 22:56:47,890 INFO L158 Benchmark]: Boogie Preprocessor took 69.85ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 68.3MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:56:47,890 INFO L158 Benchmark]: IcfgBuilder took 1260.74ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 68.3MB in the beginning and 82.1MB in the end (delta: -13.7MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-09 22:56:47,890 INFO L158 Benchmark]: TraceAbstraction took 805.28ms. Allocated memory is still 144.7MB. Free memory was 81.1MB in the beginning and 72.4MB in the end (delta: 8.7MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-09 22:56:47,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 73.4MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.67ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 46.2MB in the beginning and 80.1MB in the end (delta: -33.8MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.17ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 75.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.85ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 68.3MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1260.74ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 68.3MB in the beginning and 82.1MB in the end (delta: -13.7MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * TraceAbstraction took 805.28ms. Allocated memory is still 144.7MB. Free memory was 81.1MB in the beginning and 72.4MB in the end (delta: 8.7MB). Peak memory consumption was 9.4MB. 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,"Floor.i","") [57] - GenericResultAtLocation [Line: 730]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [730] - GenericResultAtLocation [Line: 1096]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [1096] - GenericResultAtLocation [Line: 1282]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1282] - GenericResultAtLocation [Line: 2778]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [2778] - GenericResultAtLocation [Line: 2897]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [2897] - GenericResultAtLocation [Line: 2989]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2989] - GenericResultAtLocation [Line: 3027]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [3027] - GenericResultAtLocation [Line: 3043]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [3043] * 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 22:56:47,918 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