./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/queue_longest.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/queue_longest.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/queue_longest.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/queue_longest.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-22 19:57:15,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 19:57:15,920 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 19:57:15,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 19:57:15,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 19:57:15,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 19:57:15,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 19:57:15,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 19:57:15,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 19:57:15,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 19:57:15,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 19:57:15,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 19:57:15,961 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 19:57:15,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 19:57:15,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 19:57:15,965 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 19:57:15,965 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 19:57:15,965 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 19:57:15,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 19:57:15,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 19:57:15,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 19:57:15,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 19:57:15,966 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 19:57:15,966 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 19:57:15,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 19:57:15,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 19:57:15,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 19:57:15,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 19:57:15,967 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 19:57:15,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 19:57:15,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 19:57:15,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 19:57:15,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 19:57:15,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 19:57:15,969 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 19:57:15,969 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 19:57:15,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 19:57:15,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 19:57:15,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 19:57:15,970 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 19:57:15,970 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 19:57:15,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-22 19:57:16,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 19:57:16,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 19:57:16,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 19:57:16,254 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-22 19:57:16,254 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-22 19:57:16,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/queue_longest.yml/witness.yml [2024-09-22 19:57:16,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 19:57:16,404 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 19:57:16,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2024-09-22 19:57:17,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 19:57:18,055 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 19:57:18,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2024-09-22 19:57:18,082 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3adcd5e71/0a745fae118f4ef38ed0fcd29c3bf4c5/FLAG2ced9d94d [2024-09-22 19:57:18,356 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3adcd5e71/0a745fae118f4ef38ed0fcd29c3bf4c5 [2024-09-22 19:57:18,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 19:57:18,357 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-22 19:57:18,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 19:57:18,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 19:57:18,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 19:57:18,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 07:57:16" (1/2) ... [2024-09-22 19:57:18,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7518fbda and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 07:57:18, skipping insertion in model container [2024-09-22 19:57:18,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 07:57:16" (1/2) ... [2024-09-22 19:57:18,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28c70c63 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 07:57:18, skipping insertion in model container [2024-09-22 19:57:18,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 07:57:18" (2/2) ... [2024-09-22 19:57:18,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7518fbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 07:57:18, skipping insertion in model container [2024-09-22 19:57:18,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 07:57:18" (2/2) ... [2024-09-22 19:57:18,452 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-22 19:57:18,454 INFO L1541 ArrayList]: Location invariant before [L1064-L1064] ((! multithreaded || (m_locked || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800))) && (! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800))) && (! multithreaded || (m_locked || ((-1LL + (long long )dequeue_flag) + (long long )enqueue_flag >= 0LL && (1LL - (long long )dequeue_flag) - (long long )enqueue_flag >= 0LL))) [2024-09-22 19:57:18,454 INFO L1541 ArrayList]: Location invariant before [L1063-L1063] ((! multithreaded || (m_locked || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800))) && (! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800))) && (! multithreaded || (m_locked || ((-1LL + (long long )dequeue_flag) + (long long )enqueue_flag >= 0LL && (1LL - (long long )dequeue_flag) - (long long )enqueue_flag >= 0LL))) [2024-09-22 19:57:18,454 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-22 19:57:18,454 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-22 19:57:18,454 INFO L1541 ArrayList]: ghost_update [L1062-L1062] multithreaded = 1; [2024-09-22 19:57:18,455 INFO L1541 ArrayList]: ghost_update [L1017-L1017] m_locked = 0; [2024-09-22 19:57:18,455 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-22 19:57:18,455 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-22 19:57:18,455 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-22 19:57:18,455 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-22 19:57:18,455 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-22 19:57:18,455 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-22 19:57:18,455 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-22 19:57:18,455 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-22 19:57:18,455 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-22 19:57:18,455 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-22 19:57:18,456 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-22 19:57:18,456 INFO L1541 ArrayList]: ghost_update [L1008-L1008] m_locked = 1; [2024-09-22 19:57:18,456 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-22 19:57:18,456 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-22 19:57:18,456 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-22 19:57:18,456 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-22 19:57:18,456 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-22 19:57:18,456 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-22 19:57:18,456 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-22 19:57:18,456 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-22 19:57:18,457 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-22 19:57:18,457 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-22 19:57:18,457 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-22 19:57:18,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 19:57:18,915 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43296,43309] [2024-09-22 19:57:18,923 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43503,43516] [2024-09-22 19:57:18,929 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43783,43796] [2024-09-22 19:57:18,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 19:57:18,948 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 19:57:19,027 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43296,43309] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 19:57:19,030 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43503,43516] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 19:57:19,033 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43783,43796] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 19:57:20,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 19:57:20,474 INFO L204 MainTranslator]: Completed translation [2024-09-22 19:57:20,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 07:57:20 WrapperNode [2024-09-22 19:57:20,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 19:57:20,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 19:57:20,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 19:57:20,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 19:57:20,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 07:57:20" (1/1) ... [2024-09-22 19:57:20,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 07:57:20" (1/1) ... [2024-09-22 19:57:21,830 INFO L138 Inliner]: procedures = 274, calls = 12901, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 38783 [2024-09-22 19:57:21,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 19:57:21,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 19:57:21,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 19:57:21,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 19:57:21,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 07:57:20" (1/1) ... [2024-09-22 19:57:21,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 07:57:20" (1/1) ... [2024-09-22 19:57:22,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 07:57:20" (1/1) ... [2024-09-22 19:57:22,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 07:57:20" (1/1) ... [2024-09-22 19:57:22,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 07:57:20" (1/1) ... [2024-09-22 19:57:22,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 07:57:20" (1/1) ... [2024-09-22 19:57:22,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 07:57:20" (1/1) ... [2024-09-22 19:57:23,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 07:57:20" (1/1) ... [2024-09-22 19:57:23,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 19:57:23,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 19:57:23,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 19:57:23,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 19:57:23,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 07:57:20" (1/1) ... [2024-09-22 19:57:23,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 19:57:23,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 19:57:23,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-22 19:57:23,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-22 19:57:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-09-22 19:57:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-09-22 19:57:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-09-22 19:57:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-09-22 19:57:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-22 19:57:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-22 19:57:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-22 19:57:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-22 19:57:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 19:57:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 19:57:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 19:57:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 19:57:23,304 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-22 19:57:24,951 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 19:57:24,954 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 19:57:43,837 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 19:57:43,838 INFO L291 CfgBuilder]: Performing block encoding Killed by 15