./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec3_product26.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_spec3_product26.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 64b60b46be25872d2112a950c23ddbe99bccee21bea4e463fd90753650d2a7bd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:57:53,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:57:53,159 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 22:57:53,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:57:53,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:57:53,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:57:53,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:57:53,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:57:53,190 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:57:53,190 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:57:53,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:57:53,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:57:53,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:57:53,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:57:53,192 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:57:53,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:57:53,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:57:53,193 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:57:53,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 22:57:53,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:57:53,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:57:53,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:57:53,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:57:53,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:57:53,195 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:57:53,196 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:57:53,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:57:53,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:57:53,196 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:57:53,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:57:53,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:57:53,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:57:53,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:57:53,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:57:53,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:57:53,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:57:53,199 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 22:57:53,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 22:57:53,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:57:53,200 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:57:53,200 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:57:53,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:57:53,202 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64b60b46be25872d2112a950c23ddbe99bccee21bea4e463fd90753650d2a7bd [2024-11-09 22:57:53,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:57:53,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:57:53,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:57:53,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:57:53,477 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:57:53,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec3_product26.cil.c [2024-11-09 22:57:54,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:57:55,232 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:57:55,233 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec3_product26.cil.c [2024-11-09 22:57:55,260 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edb4db5b0/bc53fa1c8806486d8b1b4046664712a1/FLAG39d0db9fd [2024-11-09 22:57:55,510 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edb4db5b0/bc53fa1c8806486d8b1b4046664712a1 [2024-11-09 22:57:55,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:57:55,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:57:55,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:57:55,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:57:55,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:57:55,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:57:55" (1/1) ... [2024-11-09 22:57:55,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712ae73f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:55, skipping insertion in model container [2024-11-09 22:57:55,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:57:55" (1/1) ... [2024-11-09 22:57:55,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:57:56,165 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_spec3_product26.cil.c[67702,67715] [2024-11-09 22:57:56,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:57:56,198 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:57:56,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-11-09 22:57:56,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [67] [2024-11-09 22:57:56,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [168] [2024-11-09 22:57:56,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [520] [2024-11-09 22:57:56,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2041] [2024-11-09 22:57:56,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2407] [2024-11-09 22:57:56,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3068] [2024-11-09 22:57:56,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3186] [2024-11-09 22:57:56,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3195] [2024-11-09 22:57:56,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [3230] [2024-11-09 22:57:56,303 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_spec3_product26.cil.c[67702,67715] [2024-11-09 22:57:56,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:57:56,336 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:57:56,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56 WrapperNode [2024-11-09 22:57:56,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:57:56,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:57:56,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:57:56,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:57:56,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56" (1/1) ... [2024-11-09 22:57:56,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56" (1/1) ... [2024-11-09 22:57:56,417 INFO L138 Inliner]: procedures = 91, calls = 346, calls flagged for inlining = 27, calls inlined = 23, statements flattened = 861 [2024-11-09 22:57:56,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:57:56,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:57:56,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:57:56,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:57:56,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56" (1/1) ... [2024-11-09 22:57:56,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56" (1/1) ... [2024-11-09 22:57:56,437 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56" (1/1) ... [2024-11-09 22:57:56,465 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-09 22:57:56,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56" (1/1) ... [2024-11-09 22:57:56,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56" (1/1) ... [2024-11-09 22:57:56,492 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56" (1/1) ... [2024-11-09 22:57:56,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56" (1/1) ... [2024-11-09 22:57:56,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56" (1/1) ... [2024-11-09 22:57:56,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56" (1/1) ... [2024-11-09 22:57:56,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:57:56,515 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:57:56,515 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:57:56,515 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:57:56,516 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56" (1/1) ... [2024-11-09 22:57:56,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:57:56,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:57:56,561 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 22:57:56,564 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 22:57:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:57:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2024-11-09 22:57:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2024-11-09 22:57:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-09 22:57:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-09 22:57:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:57:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:57:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:57:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:57:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2024-11-09 22:57:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2024-11-09 22:57:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:57:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:57:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:57:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:57:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:57:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:57:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-09 22:57:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-09 22:57:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:57:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:57:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:57:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:57:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:57:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:57:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2024-11-09 22:57:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2024-11-09 22:57:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:57:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:57:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2024-11-09 22:57:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2024-11-09 22:57:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:57:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:57:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2024-11-09 22:57:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2024-11-09 22:57:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:57:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:57:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:57:56,618 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:57:56,618 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:57:56,618 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:57:56,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 22:57:56,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 22:57:56,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 22:57:56,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 22:57:56,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 22:57:56,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 22:57:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 22:57:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 22:57:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 22:57:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 22:57:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 22:57:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 22:57:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 22:57:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 22:57:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 22:57:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 22:57:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 22:57:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-09 22:57:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-09 22:57:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-09 22:57:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2024-11-09 22:57:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2024-11-09 22:57:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:57:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:57:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:57:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:57:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:57:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:57:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:57:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:57:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:57:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:57:56,845 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:57:56,848 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:57:56,894 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L827: #res := ~retValue_acc~6; [2024-11-09 22:57:56,921 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3183: #res := ~retValue_acc~23; [2024-11-09 22:57:56,942 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3105: #res := ~retValue_acc~21; [2024-11-09 22:57:56,948 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L602: #res := ~retValue_acc~2; [2024-11-09 22:57:57,398 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1312: #res := ~retValue_acc~10; [2024-11-09 22:57:57,520 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1402-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~12#1; [2024-11-09 22:57:57,597 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1416: #res := ~retValue_acc~13; [2024-11-09 22:57:57,611 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3144: #res := ~retValue_acc~22; [2024-11-09 22:57:57,634 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L818: #res := ~retValue_acc~5; [2024-11-09 22:57:57,691 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-1: isEmpty_#res#1 := isEmpty_~retValue_acc~7#1; [2024-11-09 22:57:57,782 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L775-1: getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~3#1; [2024-11-09 22:57:57,782 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L784-1: areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~4#1; [2024-11-09 22:57:57,851 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-1: isIdle_#res#1 := isIdle_~retValue_acc~9#1; [2024-11-09 22:57:57,852 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L947-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~8#1; [2024-11-09 22:57:57,918 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2754: #res := ~retValue_acc~19; [2024-11-09 22:57:57,990 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3227-1: valid_product_#res#1 := valid_product_~retValue_acc~25#1; [2024-11-09 22:57:57,990 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L517-1: main_#res#1 := main_~retValue_acc~1#1; [2024-11-09 22:57:58,004 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2518: #res := ~retValue_acc~18; [2024-11-09 22:57:58,010 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3065: #res := ~retValue_acc~20; [2024-11-09 22:57:58,198 INFO L? ?]: Removed 479 outVars from TransFormulas that were not future-live. [2024-11-09 22:57:58,198 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:57:58,237 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:57:58,238 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:57:58,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:57:58 BoogieIcfgContainer [2024-11-09 22:57:58,238 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:57:58,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:57:58,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:57:58,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:57:58,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:57:55" (1/3) ... [2024-11-09 22:57:58,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191db7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:57:58, skipping insertion in model container [2024-11-09 22:57:58,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:57:56" (2/3) ... [2024-11-09 22:57:58,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191db7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:57:58, skipping insertion in model container [2024-11-09 22:57:58,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:57:58" (3/3) ... [2024-11-09 22:57:58,248 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product26.cil.c [2024-11-09 22:57:58,264 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:57:58,264 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:57:58,347 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:57:58,354 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;@1e9192f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:57:58,355 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:57:58,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 607 states, 478 states have (on average 1.6945606694560669) internal successors, (810), 498 states have internal predecessors, (810), 102 states have call successors, (102), 25 states have call predecessors, (102), 25 states have return successors, (102), 98 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 22:57:58,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 22:57:58,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:57:58,377 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:57:58,377 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:57:58,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:57:58,383 INFO L85 PathProgramCache]: Analyzing trace with hash 402489627, now seen corresponding path program 1 times [2024-11-09 22:57:58,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:57:58,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034406386] [2024-11-09 22:57:58,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:57:58,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:57:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:57:59,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 22:57:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:57:59,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:57:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:57:59,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 22:57:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:57:59,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:57:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:57:59,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 22:57:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:57:59,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 22:57:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:57:59,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 22:57:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:57:59,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 22:57:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:57:59,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 22:57:59,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:57:59,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034406386] [2024-11-09 22:57:59,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034406386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:57:59,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:57:59,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 22:57:59,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903242043] [2024-11-09 22:57:59,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:57:59,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 22:57:59,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:57:59,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 22:57:59,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-09 22:57:59,779 INFO L87 Difference]: Start difference. First operand has 607 states, 478 states have (on average 1.6945606694560669) internal successors, (810), 498 states have internal predecessors, (810), 102 states have call successors, (102), 25 states have call predecessors, (102), 25 states have return successors, (102), 98 states have call predecessors, (102), 102 states have call successors, (102) Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 22:58:03,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 22:58:03,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-09 22:58:03,113 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 407 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 1921 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 1960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 22:58:03,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 811 Invalid, 1960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1921 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 22:58:03,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 22:58:03,117 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 22:58:03,121 INFO L158 Benchmark]: Toolchain (without parser) took 7606.95ms. Allocated memory was 169.9MB in the beginning and 295.7MB in the end (delta: 125.8MB). Free memory was 104.6MB in the beginning and 215.8MB in the end (delta: -111.2MB). Peak memory consumption was 146.5MB. Max. memory is 16.1GB. [2024-11-09 22:58:03,123 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:58:03,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.95ms. Allocated memory is still 169.9MB. Free memory was 104.6MB in the beginning and 108.8MB in the end (delta: -4.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-09 22:58:03,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.14ms. Allocated memory is still 169.9MB. Free memory was 108.8MB in the beginning and 103.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:58:03,124 INFO L158 Benchmark]: Boogie Preprocessor took 95.96ms. Allocated memory is still 169.9MB. Free memory was 103.8MB in the beginning and 97.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:58:03,125 INFO L158 Benchmark]: IcfgBuilder took 1723.71ms. Allocated memory was 169.9MB in the beginning and 228.6MB in the end (delta: 58.7MB). Free memory was 96.9MB in the beginning and 165.4MB in the end (delta: -68.6MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2024-11-09 22:58:03,126 INFO L158 Benchmark]: TraceAbstraction took 4879.73ms. Allocated memory was 228.6MB in the beginning and 295.7MB in the end (delta: 67.1MB). Free memory was 164.4MB in the beginning and 215.8MB in the end (delta: -51.4MB). Peak memory consumption was 147.9MB. Max. memory is 16.1GB. [2024-11-09 22:58:03,133 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 819.95ms. Allocated memory is still 169.9MB. Free memory was 104.6MB in the beginning and 108.8MB in the end (delta: -4.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.14ms. Allocated memory is still 169.9MB. Free memory was 108.8MB in the beginning and 103.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.96ms. Allocated memory is still 169.9MB. Free memory was 103.8MB in the beginning and 97.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1723.71ms. Allocated memory was 169.9MB in the beginning and 228.6MB in the end (delta: 58.7MB). Free memory was 96.9MB in the beginning and 165.4MB in the end (delta: -68.6MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4879.73ms. Allocated memory was 228.6MB in the beginning and 295.7MB in the end (delta: 67.1MB). Free memory was 164.4MB in the beginning and 215.8MB in the end (delta: -51.4MB). Peak memory consumption was 147.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] - GenericResultAtLocation [Line: 67]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [67] - GenericResultAtLocation [Line: 168]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [168] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [520] - GenericResultAtLocation [Line: 2041]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2041] - GenericResultAtLocation [Line: 2407]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2407] - GenericResultAtLocation [Line: 3068]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3068] - GenericResultAtLocation [Line: 3186]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3186] - GenericResultAtLocation [Line: 3195]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3195] - GenericResultAtLocation [Line: 3230]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [3230] * 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 22:58:03,165 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_spec3_product26.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 64b60b46be25872d2112a950c23ddbe99bccee21bea4e463fd90753650d2a7bd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:58:05,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:58:05,461 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 22:58:05,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:58:05,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:58:05,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:58:05,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:58:05,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:58:05,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:58:05,499 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:58:05,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:58:05,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:58:05,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:58:05,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:58:05,501 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:58:05,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:58:05,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:58:05,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:58:05,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:58:05,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:58:05,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:58:05,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:58:05,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:58:05,508 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 22:58:05,508 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 22:58:05,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:58:05,509 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 22:58:05,509 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:58:05,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:58:05,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:58:05,510 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:58:05,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:58:05,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:58:05,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:58:05,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:58:05,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:58:05,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:58:05,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:58:05,513 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 22:58:05,513 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 22:58:05,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:58:05,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:58:05,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:58:05,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:58:05,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64b60b46be25872d2112a950c23ddbe99bccee21bea4e463fd90753650d2a7bd [2024-11-09 22:58:05,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:58:05,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:58:05,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:58:05,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:58:05,885 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:58:05,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec3_product26.cil.c [2024-11-09 22:58:07,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:58:07,778 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:58:07,779 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec3_product26.cil.c [2024-11-09 22:58:07,797 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c8c8248b/79f0511a2b0a4da28d29952c212a3af4/FLAG7e1abf4dc [2024-11-09 22:58:07,809 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c8c8248b/79f0511a2b0a4da28d29952c212a3af4 [2024-11-09 22:58:07,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:58:07,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:58:07,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:58:07,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:58:07,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:58:07,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:58:07" (1/1) ... [2024-11-09 22:58:07,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3566f1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:07, skipping insertion in model container [2024-11-09 22:58:07,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:58:07" (1/1) ... [2024-11-09 22:58:07,898 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:58:08,362 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 22:58:08,363 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 22:58:08,370 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 22:58:08,374 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 22:58:08,378 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 22:58:08,385 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 22:58:08,386 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 22:58:08,391 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 22:58:08,394 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 22:58:08,452 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_spec3_product26.cil.c[67702,67715] [2024-11-09 22:58:08,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:58:08,478 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:58:08,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-11-09 22:58:08,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [67] [2024-11-09 22:58:08,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [168] [2024-11-09 22:58:08,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [520] [2024-11-09 22:58:08,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2041] [2024-11-09 22:58:08,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2407] [2024-11-09 22:58:08,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3068] [2024-11-09 22:58:08,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3186] [2024-11-09 22:58:08,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3195] [2024-11-09 22:58:08,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [3230] [2024-11-09 22:58:08,573 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_spec3_product26.cil.c[67702,67715] [2024-11-09 22:58:08,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:58:08,629 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:58:08,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08 WrapperNode [2024-11-09 22:58:08,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:58:08,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:58:08,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:58:08,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:58:08,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08" (1/1) ... [2024-11-09 22:58:08,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08" (1/1) ... [2024-11-09 22:58:08,743 INFO L138 Inliner]: procedures = 93, calls = 346, calls flagged for inlining = 27, calls inlined = 23, statements flattened = 809 [2024-11-09 22:58:08,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:58:08,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:58:08,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:58:08,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:58:08,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08" (1/1) ... [2024-11-09 22:58:08,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08" (1/1) ... [2024-11-09 22:58:08,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08" (1/1) ... [2024-11-09 22:58:08,810 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-09 22:58:08,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08" (1/1) ... [2024-11-09 22:58:08,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08" (1/1) ... [2024-11-09 22:58:08,841 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08" (1/1) ... [2024-11-09 22:58:08,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08" (1/1) ... [2024-11-09 22:58:08,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08" (1/1) ... [2024-11-09 22:58:08,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08" (1/1) ... [2024-11-09 22:58:08,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:58:08,875 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:58:08,875 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:58:08,875 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:58:08,876 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08" (1/1) ... [2024-11-09 22:58:08,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:58:08,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:58:08,910 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 22:58:08,917 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 22:58:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:58:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2024-11-09 22:58:08,965 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2024-11-09 22:58:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-09 22:58:08,965 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-09 22:58:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:58:08,965 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:58:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:58:08,966 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:58:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2024-11-09 22:58:08,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2024-11-09 22:58:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:58:08,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:58:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:58:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:58:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:58:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:58:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-09 22:58:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-09 22:58:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:58:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:58:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:58:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:58:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:58:08,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:58:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 22:58:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-09 22:58:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-09 22:58:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-09 22:58:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-09 22:58:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-09 22:58:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-09 22:58:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-09 22:58:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-09 22:58:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-09 22:58:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-09 22:58:08,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-09 22:58:08,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-09 22:58:08,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-09 22:58:08,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-09 22:58:08,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-09 22:58:08,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-09 22:58:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2024-11-09 22:58:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2024-11-09 22:58:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2024-11-09 22:58:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2024-11-09 22:58:08,970 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2024-11-09 22:58:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:58:08,971 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:58:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2024-11-09 22:58:08,971 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2024-11-09 22:58:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:58:08,971 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:58:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2024-11-09 22:58:08,971 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2024-11-09 22:58:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:58:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:58:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:58:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:58:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:58:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:58:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2024-11-09 22:58:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2024-11-09 22:58:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:58:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:58:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:58:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:58:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:58:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:58:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:58:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:58:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:58:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:58:09,158 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:58:09,162 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:58:09,206 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L827: #res := ~retValue_acc~6; [2024-11-09 22:58:09,244 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3183: #res := ~retValue_acc~23; [2024-11-09 22:58:09,266 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3105: #res := ~retValue_acc~21; [2024-11-09 22:58:09,270 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L602: #res := ~retValue_acc~2; [2024-11-09 22:58:09,699 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1312: #res := ~retValue_acc~10; [2024-11-09 22:58:09,826 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1402-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~12#1; [2024-11-09 22:58:09,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1416: #res := ~retValue_acc~13; [2024-11-09 22:58:09,917 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3144: #res := ~retValue_acc~22; [2024-11-09 22:58:09,943 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L818: #res := ~retValue_acc~5; [2024-11-09 22:58:10,016 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L867-1: isEmpty_#res#1 := isEmpty_~retValue_acc~7#1; [2024-11-09 22:58:10,095 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L775-1: getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~3#1; [2024-11-09 22:58:10,095 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L784-1: areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~4#1; [2024-11-09 22:58:10,155 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-1: isIdle_#res#1 := isIdle_~retValue_acc~9#1; [2024-11-09 22:58:10,156 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L947-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~8#1; [2024-11-09 22:58:10,233 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2754: #res := ~retValue_acc~19; [2024-11-09 22:58:10,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3227-1: valid_product_#res#1 := valid_product_~retValue_acc~25#1; [2024-11-09 22:58:10,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L517-1: main_#res#1 := main_~retValue_acc~1#1; [2024-11-09 22:58:10,330 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2518: #res := ~retValue_acc~18; [2024-11-09 22:58:10,336 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3065: #res := ~retValue_acc~20; [2024-11-09 22:58:10,487 INFO L? ?]: Removed 479 outVars from TransFormulas that were not future-live. [2024-11-09 22:58:10,487 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:58:10,519 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:58:10,520 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:58:10,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:58:10 BoogieIcfgContainer [2024-11-09 22:58:10,521 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:58:10,523 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:58:10,523 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:58:10,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:58:10,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:58:07" (1/3) ... [2024-11-09 22:58:10,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387321e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:58:10, skipping insertion in model container [2024-11-09 22:58:10,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:08" (2/3) ... [2024-11-09 22:58:10,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387321e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:58:10, skipping insertion in model container [2024-11-09 22:58:10,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:58:10" (3/3) ... [2024-11-09 22:58:10,538 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product26.cil.c [2024-11-09 22:58:10,555 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:58:10,555 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:58:10,663 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:58:10,669 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;@e987c60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:58:10,670 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:58:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 607 states, 478 states have (on average 1.6945606694560669) internal successors, (810), 498 states have internal predecessors, (810), 102 states have call successors, (102), 25 states have call predecessors, (102), 25 states have return successors, (102), 98 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 22:58:10,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 22:58:10,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:58:10,692 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:58:10,692 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:58:10,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:58:10,698 INFO L85 PathProgramCache]: Analyzing trace with hash 402489627, now seen corresponding path program 1 times [2024-11-09 22:58:10,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 22:58:10,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204951741] [2024-11-09 22:58:10,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:58:10,714 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 22:58:10,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 22:58:10,717 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 22:58:10,733 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 22:58:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:11,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 22:58:11,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:58:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 22:58:11,313 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:58:11,313 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 22:58:11,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204951741] [2024-11-09 22:58:11,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204951741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:58:11,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:58:11,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 22:58:11,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515457136] [2024-11-09 22:58:11,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:58:11,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 22:58:11,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 22:58:11,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 22:58:11,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 22:58:11,354 INFO L87 Difference]: Start difference. First operand has 607 states, 478 states have (on average 1.6945606694560669) internal successors, (810), 498 states have internal predecessors, (810), 102 states have call successors, (102), 25 states have call predecessors, (102), 25 states have return successors, (102), 98 states have call predecessors, (102), 102 states have call successors, (102) Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 22:58:11,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 22:58:11,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 22:58:11,527 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 91 mSDsluCounter, 1934 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 2338 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 22:58:11,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 2338 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 22:58:11,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 22:58:11,736 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 22:58:11,737 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 22:58:11,742 INFO L158 Benchmark]: Toolchain (without parser) took 3929.64ms. Allocated memory was 58.7MB in the beginning and 107.0MB in the end (delta: 48.2MB). Free memory was 34.6MB in the beginning and 72.0MB in the end (delta: -37.4MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-11-09 22:58:11,744 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 48.2MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:58:11,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.67ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.5MB in the beginning and 43.0MB in the end (delta: -8.5MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-09 22:58:11,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.93ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 38.1MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:58:11,746 INFO L158 Benchmark]: Boogie Preprocessor took 126.28ms. Allocated memory is still 71.3MB. Free memory was 38.1MB in the beginning and 31.5MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:58:11,747 INFO L158 Benchmark]: IcfgBuilder took 1646.34ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 31.2MB in the beginning and 26.8MB in the end (delta: 4.4MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2024-11-09 22:58:11,747 INFO L158 Benchmark]: TraceAbstraction took 1217.88ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 26.4MB in the beginning and 72.0MB in the end (delta: -45.6MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-09 22:58:11,751 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 48.2MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.67ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.5MB in the beginning and 43.0MB in the end (delta: -8.5MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.93ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 38.1MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.28ms. Allocated memory is still 71.3MB. Free memory was 38.1MB in the beginning and 31.5MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1646.34ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 31.2MB in the beginning and 26.8MB in the end (delta: 4.4MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1217.88ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 26.4MB in the beginning and 72.0MB in the end (delta: -45.6MB). Peak memory consumption was 10.4MB. 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,"scenario.i","") [48] - GenericResultAtLocation [Line: 67]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [67] - GenericResultAtLocation [Line: 168]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [168] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [520] - GenericResultAtLocation [Line: 2041]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2041] - GenericResultAtLocation [Line: 2407]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2407] - GenericResultAtLocation [Line: 3068]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3068] - GenericResultAtLocation [Line: 3186]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3186] - GenericResultAtLocation [Line: 3195]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3195] - GenericResultAtLocation [Line: 3230]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [3230] * 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 22:58:11,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null