./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_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_spec9_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 d5d3c0f581b3d52ccfb3e43d6fb6458a66cd40c307750c0d7336040b60b78e76 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:58:13,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:58:13,173 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 22:58:13,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:58:13,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:58:13,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:58:13,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:58:13,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:58:13,210 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:58:13,211 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:58:13,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:58:13,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:58:13,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:58:13,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:58:13,214 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:58:13,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:58:13,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:58:13,219 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:58:13,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 22:58:13,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:58:13,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:58:13,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:58:13,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:58:13,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:58:13,222 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:58:13,222 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:58:13,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:58:13,223 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:58:13,223 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:58:13,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:58:13,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:58:13,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:58:13,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:58:13,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:58:13,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:58:13,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:58:13,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 22:58:13,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 22:58:13,225 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:58:13,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:58:13,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:58:13,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:58:13,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5d3c0f581b3d52ccfb3e43d6fb6458a66cd40c307750c0d7336040b60b78e76 [2024-11-09 22:58:13,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:58:13,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:58:13,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:58:13,485 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:58:13,485 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:58:13,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product26.cil.c [2024-11-09 22:58:14,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:58:15,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:58:15,208 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product26.cil.c [2024-11-09 22:58:15,227 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d13930d5/aa6b2647d5394874a75ab451df8b4a32/FLAG9e6c0830b [2024-11-09 22:58:15,239 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d13930d5/aa6b2647d5394874a75ab451df8b4a32 [2024-11-09 22:58:15,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:58:15,243 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:58:15,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:58:15,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:58:15,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:58:15,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:58:15" (1/1) ... [2024-11-09 22:58:15,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9000a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:15, skipping insertion in model container [2024-11-09 22:58:15,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:58:15" (1/1) ... [2024-11-09 22:58:15,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:58:15,793 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_spec9_product26.cil.c[46529,46542] [2024-11-09 22:58:15,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:58:15,866 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:58:15,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-09 22:58:15,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [414] [2024-11-09 22:58:15,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification9_spec.i","") [428] [2024-11-09 22:58:15,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [594] [2024-11-09 22:58:15,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2119] [2024-11-09 22:58:15,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2128] [2024-11-09 22:58:15,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2790] [2024-11-09 22:58:15,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3145] [2024-11-09 22:58:15,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3236] [2024-11-09 22:58:15,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3271] [2024-11-09 22:58:15,952 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_spec9_product26.cil.c[46529,46542] [2024-11-09 22:58:15,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:58:16,006 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:58:16,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16 WrapperNode [2024-11-09 22:58:16,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:58:16,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:58:16,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:58:16,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:58:16,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16" (1/1) ... [2024-11-09 22:58:16,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16" (1/1) ... [2024-11-09 22:58:16,095 INFO L138 Inliner]: procedures = 93, calls = 337, calls flagged for inlining = 27, calls inlined = 23, statements flattened = 812 [2024-11-09 22:58:16,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:58:16,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:58:16,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:58:16,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:58:16,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16" (1/1) ... [2024-11-09 22:58:16,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16" (1/1) ... [2024-11-09 22:58:16,121 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16" (1/1) ... [2024-11-09 22:58:16,157 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-09 22:58:16,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16" (1/1) ... [2024-11-09 22:58:16,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16" (1/1) ... [2024-11-09 22:58:16,193 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16" (1/1) ... [2024-11-09 22:58:16,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16" (1/1) ... [2024-11-09 22:58:16,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16" (1/1) ... [2024-11-09 22:58:16,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16" (1/1) ... [2024-11-09 22:58:16,227 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:58:16,231 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:58:16,231 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:58:16,231 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:58:16,232 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16" (1/1) ... [2024-11-09 22:58:16,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:58:16,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:58:16,277 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 22:58:16,279 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 22:58:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:58:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-09 22:58:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-09 22:58:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-09 22:58:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-09 22:58:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:58:16,327 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:58:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:58:16,327 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:58:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:58:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:58:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:58:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:58:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:58:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:58:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2024-11-09 22:58:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2024-11-09 22:58:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-09 22:58:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-09 22:58:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:58:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:58:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:58:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:58:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:58:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:58:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:58:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:58:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:58:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:58:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2024-11-09 22:58:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2024-11-09 22:58:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:58:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:58:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:58:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:58:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:58:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:58:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2024-11-09 22:58:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2024-11-09 22:58:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 22:58:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 22:58:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 22:58:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 22:58:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 22:58:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 22:58:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 22:58:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 22:58:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 22:58:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 22:58:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 22:58:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 22:58:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 22:58:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 22:58:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 22:58:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 22:58:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 22:58:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-09 22:58:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-09 22:58:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-09 22:58:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:58:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:58:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:58:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:58:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:58:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:58:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:58:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:58:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:58:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:58:16,504 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:58:16,507 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:58:16,569 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3386: #res := ~retValue_acc~25; [2024-11-09 22:58:16,602 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3308: #res := ~retValue_acc~23; [2024-11-09 22:58:16,606 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L679: #res := ~retValue_acc~3; [2024-11-09 22:58:16,972 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1393: #res := ~retValue_acc~11; [2024-11-09 22:58:17,142 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1483-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~13#1; [2024-11-09 22:58:17,142 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L899-1: buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~6#1; [2024-11-09 22:58:17,206 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1497: #res := ~retValue_acc~14; [2024-11-09 22:58:17,218 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3347: #res := ~retValue_acc~24; [2024-11-09 22:58:17,252 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L948: #res := ~retValue_acc~8; [2024-11-09 22:58:17,328 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-1: getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; [2024-11-09 22:58:17,395 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1028-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~9#1; [2024-11-09 22:58:17,395 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1041-1: isIdle_#res#1 := isIdle_~retValue_acc~10#1; [2024-11-09 22:58:17,453 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2476: #res := ~retValue_acc~17; [2024-11-09 22:58:17,529 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3142-1: main_#res#1 := main_~retValue_acc~20#1; [2024-11-09 22:58:17,530 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268-1: valid_product_#res#1 := valid_product_~retValue_acc~22#1; [2024-11-09 22:58:17,543 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2240: #res := ~retValue_acc~16; [2024-11-09 22:58:17,547 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L865: #res := ~retValue_acc~5; [2024-11-09 22:58:17,552 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2787: #res := ~retValue_acc~18; [2024-11-09 22:58:17,719 INFO L? ?]: Removed 462 outVars from TransFormulas that were not future-live. [2024-11-09 22:58:17,719 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:58:17,785 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:58:17,785 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:58:17,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:58:17 BoogieIcfgContainer [2024-11-09 22:58:17,785 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:58:17,787 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:58:17,787 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:58:17,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:58:17,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:58:15" (1/3) ... [2024-11-09 22:58:17,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2710d952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:58:17, skipping insertion in model container [2024-11-09 22:58:17,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:16" (2/3) ... [2024-11-09 22:58:17,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2710d952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:58:17, skipping insertion in model container [2024-11-09 22:58:17,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:58:17" (3/3) ... [2024-11-09 22:58:17,793 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product26.cil.c [2024-11-09 22:58:17,809 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:58:17,809 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:58:17,906 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:58:17,915 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;@4a02878f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:58:17,916 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:58:17,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 569 states, 455 states have (on average 1.7230769230769232) internal successors, (784), 478 states have internal predecessors, (784), 89 states have call successors, (89), 23 states have call predecessors, (89), 23 states have return successors, (89), 82 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-09 22:58:17,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 22:58:17,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:58:17,947 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:58:17,948 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:58:17,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:58:17,955 INFO L85 PathProgramCache]: Analyzing trace with hash 656723094, now seen corresponding path program 1 times [2024-11-09 22:58:17,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:58:17,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915356445] [2024-11-09 22:58:17,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:58:17,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:58:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:18,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 22:58:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:18,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:58:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:18,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 22:58:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:19,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 22:58:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:19,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:58:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:19,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:58:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:19,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 22:58:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:58:19,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:58:19,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915356445] [2024-11-09 22:58:19,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915356445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:58:19,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:58:19,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 22:58:19,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582239857] [2024-11-09 22:58:19,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:58:19,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 22:58:19,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:58:19,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 22:58:19,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 22:58:19,281 INFO L87 Difference]: Start difference. First operand has 569 states, 455 states have (on average 1.7230769230769232) internal successors, (784), 478 states have internal predecessors, (784), 89 states have call successors, (89), 23 states have call predecessors, (89), 23 states have return successors, (89), 82 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 22:58:21,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 22:58:21,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 22:58:21,454 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 562 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 22:58:21,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 360 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 22:58:21,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 22:58:21,456 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 22:58:21,459 INFO L158 Benchmark]: Toolchain (without parser) took 6216.26ms. Allocated memory was 167.8MB in the beginning and 262.1MB in the end (delta: 94.4MB). Free memory was 132.1MB in the beginning and 176.4MB in the end (delta: -44.3MB). Peak memory consumption was 130.8MB. Max. memory is 16.1GB. [2024-11-09 22:58:21,459 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:58:21,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 763.66ms. Allocated memory is still 167.8MB. Free memory was 132.1MB in the beginning and 87.1MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-09 22:58:21,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.44ms. Allocated memory is still 167.8MB. Free memory was 87.1MB in the beginning and 81.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 22:58:21,461 INFO L158 Benchmark]: Boogie Preprocessor took 131.55ms. Allocated memory is still 167.8MB. Free memory was 81.8MB in the beginning and 75.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:58:21,461 INFO L158 Benchmark]: IcfgBuilder took 1554.57ms. Allocated memory is still 167.8MB. Free memory was 75.5MB in the beginning and 128.4MB in the end (delta: -52.9MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2024-11-09 22:58:21,462 INFO L158 Benchmark]: TraceAbstraction took 3671.39ms. Allocated memory was 167.8MB in the beginning and 262.1MB in the end (delta: 94.4MB). Free memory was 127.7MB in the beginning and 176.4MB in the end (delta: -48.7MB). Peak memory consumption was 128.2MB. Max. memory is 16.1GB. [2024-11-09 22:58:21,466 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 763.66ms. Allocated memory is still 167.8MB. Free memory was 132.1MB in the beginning and 87.1MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.44ms. Allocated memory is still 167.8MB. Free memory was 87.1MB in the beginning and 81.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.55ms. Allocated memory is still 167.8MB. Free memory was 81.8MB in the beginning and 75.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1554.57ms. Allocated memory is still 167.8MB. Free memory was 75.5MB in the beginning and 128.4MB in the end (delta: -52.9MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3671.39ms. Allocated memory was 167.8MB in the beginning and 262.1MB in the end (delta: 94.4MB). Free memory was 127.7MB in the beginning and 176.4MB in the end (delta: -48.7MB). Peak memory consumption was 128.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] - GenericResultAtLocation [Line: 414]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [414] - GenericResultAtLocation [Line: 428]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification9_spec.i","") [428] - GenericResultAtLocation [Line: 594]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [594] - GenericResultAtLocation [Line: 2119]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2119] - GenericResultAtLocation [Line: 2128]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2128] - GenericResultAtLocation [Line: 2790]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2790] - GenericResultAtLocation [Line: 3145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3145] - GenericResultAtLocation [Line: 3236]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3236] - GenericResultAtLocation [Line: 3271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3271] * 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 22:58:21,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/elevator_spec9_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 d5d3c0f581b3d52ccfb3e43d6fb6458a66cd40c307750c0d7336040b60b78e76 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:58:23,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:58:23,791 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 22:58:23,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:58:23,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:58:23,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:58:23,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:58:23,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:58:23,828 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:58:23,828 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:58:23,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:58:23,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:58:23,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:58:23,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:58:23,835 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:58:23,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:58:23,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:58:23,836 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:58:23,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:58:23,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:58:23,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:58:23,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:58:23,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:58:23,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 22:58:23,838 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 22:58:23,838 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:58:23,840 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 22:58:23,840 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:58:23,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:58:23,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:58:23,841 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:58:23,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:58:23,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:58:23,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:58:23,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:58:23,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:58:23,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:58:23,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:58:23,843 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 22:58:23,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 22:58:23,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:58:23,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:58:23,844 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:58:23,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:58:23,845 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5d3c0f581b3d52ccfb3e43d6fb6458a66cd40c307750c0d7336040b60b78e76 [2024-11-09 22:58:24,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:58:24,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:58:24,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:58:24,212 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:58:24,212 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:58:24,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product26.cil.c [2024-11-09 22:58:25,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:58:26,063 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:58:26,064 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product26.cil.c [2024-11-09 22:58:26,085 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a6d73e3/4cb4bee45f5d45cdbc3974bd87b229fc/FLAG78e743d17 [2024-11-09 22:58:26,097 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a6d73e3/4cb4bee45f5d45cdbc3974bd87b229fc [2024-11-09 22:58:26,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:58:26,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:58:26,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:58:26,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:58:26,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:58:26,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:26,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255b5ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26, skipping insertion in model container [2024-11-09 22:58:26,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:26,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:58:26,383 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 22:58:26,388 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 22:58:26,401 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 22:58:26,413 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 22:58:26,420 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 22:58:26,439 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:58:26,441 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 22:58:26,446 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 22:58:26,448 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 22:58:26,613 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_spec9_product26.cil.c[46529,46542] [2024-11-09 22:58:26,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:58:26,737 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:58:26,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-09 22:58:26,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [414] [2024-11-09 22:58:26,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification9_spec.i","") [428] [2024-11-09 22:58:26,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [594] [2024-11-09 22:58:26,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2119] [2024-11-09 22:58:26,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2128] [2024-11-09 22:58:26,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2790] [2024-11-09 22:58:26,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3145] [2024-11-09 22:58:26,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3236] [2024-11-09 22:58:26,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3271] [2024-11-09 22:58:26,843 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_spec9_product26.cil.c[46529,46542] [2024-11-09 22:58:26,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:58:26,920 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:58:26,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26 WrapperNode [2024-11-09 22:58:26,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:58:26,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:58:26,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:58:26,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:58:26,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:26,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:27,028 INFO L138 Inliner]: procedures = 95, calls = 337, calls flagged for inlining = 27, calls inlined = 23, statements flattened = 771 [2024-11-09 22:58:27,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:58:27,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:58:27,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:58:27,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:58:27,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:27,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:27,051 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:27,095 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-09 22:58:27,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:27,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:27,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:27,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:27,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:27,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:27,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:58:27,150 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:58:27,150 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:58:27,151 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:58:27,151 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26" (1/1) ... [2024-11-09 22:58:27,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:58:27,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:58:27,179 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 22:58:27,181 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 22:58:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:58:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-09 22:58:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-09 22:58:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-09 22:58:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-09 22:58:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:58:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:58:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:58:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:58:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:58:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:58:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:58:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:58:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:58:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:58:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2024-11-09 22:58:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2024-11-09 22:58:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-09 22:58:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-09 22:58:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:58:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:58:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:58:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:58:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:58:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:58:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 22:58:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-09 22:58:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-09 22:58:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-09 22:58:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-09 22:58:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-09 22:58:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-09 22:58:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-09 22:58:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-09 22:58:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-09 22:58:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-09 22:58:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-09 22:58:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-09 22:58:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-09 22:58:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-09 22:58:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-09 22:58:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-09 22:58:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2024-11-09 22:58:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2024-11-09 22:58:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2024-11-09 22:58:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:58:27,226 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:58:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:58:27,226 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:58:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2024-11-09 22:58:27,226 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2024-11-09 22:58:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:58:27,226 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:58:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:58:27,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:58:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:58:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:58:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2024-11-09 22:58:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2024-11-09 22:58:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:58:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:58:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:58:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:58:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:58:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:58:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:58:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:58:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:58:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:58:27,438 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:58:27,440 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:58:27,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3386: #res := ~retValue_acc~25; [2024-11-09 22:58:27,568 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3308: #res := ~retValue_acc~23; [2024-11-09 22:58:27,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L679: #res := ~retValue_acc~3; [2024-11-09 22:58:27,997 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1393: #res := ~retValue_acc~11; [2024-11-09 22:58:28,166 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1483-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~13#1; [2024-11-09 22:58:28,167 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L899-1: buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~6#1; [2024-11-09 22:58:28,246 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1497: #res := ~retValue_acc~14; [2024-11-09 22:58:28,272 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3347: #res := ~retValue_acc~24; [2024-11-09 22:58:28,317 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L948: #res := ~retValue_acc~8; [2024-11-09 22:58:28,412 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-1: getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; [2024-11-09 22:58:28,486 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1028-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~9#1; [2024-11-09 22:58:28,486 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1041-1: isIdle_#res#1 := isIdle_~retValue_acc~10#1; [2024-11-09 22:58:28,556 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2476: #res := ~retValue_acc~17; [2024-11-09 22:58:28,651 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3142-1: main_#res#1 := main_~retValue_acc~20#1; [2024-11-09 22:58:28,651 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268-1: valid_product_#res#1 := valid_product_~retValue_acc~22#1; [2024-11-09 22:58:28,669 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2240: #res := ~retValue_acc~16; [2024-11-09 22:58:28,671 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L865: #res := ~retValue_acc~5; [2024-11-09 22:58:28,677 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2787: #res := ~retValue_acc~18; [2024-11-09 22:58:28,827 INFO L? ?]: Removed 462 outVars from TransFormulas that were not future-live. [2024-11-09 22:58:28,828 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:58:28,866 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:58:28,866 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:58:28,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:58:28 BoogieIcfgContainer [2024-11-09 22:58:28,867 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:58:28,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:58:28,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:58:28,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:58:28,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:58:26" (1/3) ... [2024-11-09 22:58:28,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457528fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:58:28, skipping insertion in model container [2024-11-09 22:58:28,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:26" (2/3) ... [2024-11-09 22:58:28,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457528fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:58:28, skipping insertion in model container [2024-11-09 22:58:28,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:58:28" (3/3) ... [2024-11-09 22:58:28,883 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product26.cil.c [2024-11-09 22:58:28,899 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:58:28,900 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:58:28,996 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:58:29,002 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;@62887761, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:58:29,002 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:58:29,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 569 states, 455 states have (on average 1.7230769230769232) internal successors, (784), 478 states have internal predecessors, (784), 89 states have call successors, (89), 23 states have call predecessors, (89), 23 states have return successors, (89), 82 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-09 22:58:29,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 22:58:29,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:58:29,026 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:58:29,027 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:58:29,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:58:29,033 INFO L85 PathProgramCache]: Analyzing trace with hash 656723094, now seen corresponding path program 1 times [2024-11-09 22:58:29,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 22:58:29,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412424868] [2024-11-09 22:58:29,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:58:29,048 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 22:58:29,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 22:58:29,051 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 22:58:29,055 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 22:58:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:29,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 22:58:29,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:58:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:58:29,521 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:58:29,522 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 22:58:29,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412424868] [2024-11-09 22:58:29,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412424868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:58:29,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:58:29,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 22:58:29,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278157146] [2024-11-09 22:58:29,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:58:29,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 22:58:29,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 22:58:29,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 22:58:29,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 22:58:29,565 INFO L87 Difference]: Start difference. First operand has 569 states, 455 states have (on average 1.7230769230769232) internal successors, (784), 478 states have internal predecessors, (784), 89 states have call successors, (89), 23 states have call predecessors, (89), 23 states have return successors, (89), 82 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-09 22:58:29,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 22:58:29,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 22:58:29,620 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 22:58:29,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:58:29,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 22:58:29,826 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 22:58:29,827 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 22:58:29,833 INFO L158 Benchmark]: Toolchain (without parser) took 3730.37ms. Allocated memory was 58.7MB in the beginning and 107.0MB in the end (delta: 48.2MB). Free memory was 29.0MB in the beginning and 51.4MB in the end (delta: -22.3MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-11-09 22:58:29,833 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 41.9MB. Free memory was 27.2MB in the beginning and 27.1MB in the end (delta: 45.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:58:29,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 818.44ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 28.9MB in the beginning and 45.6MB in the end (delta: -16.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-09 22:58:29,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.21ms. Allocated memory is still 71.3MB. Free memory was 45.2MB in the beginning and 40.8MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 22:58:29,835 INFO L158 Benchmark]: Boogie Preprocessor took 120.71ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 34.1MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:58:29,835 INFO L158 Benchmark]: IcfgBuilder took 1716.46ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 34.1MB in the beginning and 29.3MB in the end (delta: 4.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-09 22:58:29,836 INFO L158 Benchmark]: TraceAbstraction took 955.58ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 56.0MB in the beginning and 51.4MB in the end (delta: 4.7MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-11-09 22:58:29,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 41.9MB. Free memory was 27.2MB in the beginning and 27.1MB in the end (delta: 45.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 818.44ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 28.9MB in the beginning and 45.6MB in the end (delta: -16.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.21ms. Allocated memory is still 71.3MB. Free memory was 45.2MB in the beginning and 40.8MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.71ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 34.1MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1716.46ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 34.1MB in the beginning and 29.3MB in the end (delta: 4.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * TraceAbstraction took 955.58ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 56.0MB in the beginning and 51.4MB in the end (delta: 4.7MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] - GenericResultAtLocation [Line: 414]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [414] - GenericResultAtLocation [Line: 428]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification9_spec.i","") [428] - GenericResultAtLocation [Line: 594]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [594] - GenericResultAtLocation [Line: 2119]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2119] - GenericResultAtLocation [Line: 2128]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2128] - GenericResultAtLocation [Line: 2790]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2790] - GenericResultAtLocation [Line: 3145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3145] - GenericResultAtLocation [Line: 3236]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3236] - GenericResultAtLocation [Line: 3271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3271] * 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 22:58:29,875 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