./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 4a4c57e3 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-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 09:41:05,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 09:41:05,176 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 09:41:05,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 09:41:05,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 09:41:05,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 09:41:05,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 09:41:05,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 09:41:05,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 09:41:05,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 09:41:05,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 09:41:05,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 09:41:05,212 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 09:41:05,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 09:41:05,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 09:41:05,213 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 09:41:05,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 09:41:05,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 09:41:05,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 09:41:05,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 09:41:05,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 09:41:05,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 09:41:05,219 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 09:41:05,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 09:41:05,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 09:41:05,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 09:41:05,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 09:41:05,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 09:41:05,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 09:41:05,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 09:41:05,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 09:41:05,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 09:41:05,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 09:41:05,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 09:41:05,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 09:41:05,224 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 09:41:05,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 09:41:05,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 09:41:05,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 09:41:05,225 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 09:41:05,225 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 09:41:05,225 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 09:41:05,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 09:41:05,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 09:41:05,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 09:41:05,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 09:41:05,528 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 09:41:05,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2024-09-08 09:41:07,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 09:41:07,308 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 09:41:07,309 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2024-09-08 09:41:07,333 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7d29fe789/4f6191e7973d4c7f96469217503a2cf7/FLAGc7249a22b [2024-09-08 09:41:07,594 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7d29fe789/4f6191e7973d4c7f96469217503a2cf7 [2024-09-08 09:41:07,596 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 09:41:07,596 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 09:41:07,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/queue_longest.yml/witness.yml [2024-09-08 09:41:07,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 09:41:07,711 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 09:41:07,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 09:41:07,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 09:41:07,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 09:41:07,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:41:07" (1/2) ... [2024-09-08 09:41:07,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d7ecae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:41:07, skipping insertion in model container [2024-09-08 09:41:07,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:41:07" (1/2) ... [2024-09-08 09:41:07,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66c82f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:41:07, skipping insertion in model container [2024-09-08 09:41:07,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 09:41:07" (2/2) ... [2024-09-08 09:41:07,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d7ecae7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:41:07, skipping insertion in model container [2024-09-08 09:41:07,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 09:41:07" (2/2) ... [2024-09-08 09:41:07,809 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 09:41:07,809 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))) [2024-09-08 09:41:07,810 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))) [2024-09-08 09:41:07,810 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 09:41:07,810 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-08 09:41:07,810 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 09:41:07,810 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 09:41:07,810 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 09:41:07,811 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 09:41:07,811 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 09:41:07,811 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 09:41:07,811 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 09:41:07,811 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 09:41:07,811 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 09:41:07,811 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 09:41:07,812 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 09:41:07,812 INFO L1541 ArrayList]: ghost_update [L1008-L1008] m_locked = 1; [2024-09-08 09:41:07,812 INFO L1541 ArrayList]: ghost_update [L1017-L1017] m_locked = 0; [2024-09-08 09:41:07,812 INFO L1541 ArrayList]: ghost_update [L1062-L1062] multithreaded = 1; [2024-09-08 09:41:07,812 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 09:41:07,812 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 09:41:07,812 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 09:41:07,813 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 09:41:07,813 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 09:41:07,813 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 09:41:07,813 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 09:41:07,814 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 09:41:07,814 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 09:41:07,814 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 09:41:07,814 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 09:41:07,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 09:41:08,316 WARN L247 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] [2024-09-08 09:41:08,323 WARN L247 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] [2024-09-08 09:41:08,329 WARN L247 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] [2024-09-08 09:41:08,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 09:41:08,355 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 [2024-09-08 09:41:08,448 WARN L247 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 [2024-09-08 09:41:08,450 WARN L247 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 [2024-09-08 09:41:08,453 WARN L247 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 [2024-09-08 09:41:09,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 09:41:09,972 INFO L204 MainTranslator]: Completed translation [2024-09-08 09:41:09,973 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:41:09 WrapperNode [2024-09-08 09:41:09,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 09:41:09,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 09:41:09,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 09:41:09,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 09:41:09,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:41:09" (1/1) ... [2024-09-08 09:41:10,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:41:09" (1/1) ... [2024-09-08 09:41:11,290 INFO L138 Inliner]: procedures = 274, calls = 12901, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 38783 [2024-09-08 09:41:11,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 09:41:11,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 09:41:11,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 09:41:11,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 09:41:11,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:41:09" (1/1) ... [2024-09-08 09:41:11,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:41:09" (1/1) ... [2024-09-08 09:41:11,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:41:09" (1/1) ... [2024-09-08 09:41:11,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:41:09" (1/1) ... [2024-09-08 09:41:12,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:41:09" (1/1) ... [2024-09-08 09:41:12,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:41:09" (1/1) ... [2024-09-08 09:41:12,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:41:09" (1/1) ... [2024-09-08 09:41:12,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:41:09" (1/1) ... [2024-09-08 09:41:12,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 09:41:12,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 09:41:12,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 09:41:12,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 09:41:12,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:41:09" (1/1) ... [2024-09-08 09:41:12,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 09:41:12,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:41:12,681 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) [2024-09-08 09:41:12,687 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 [2024-09-08 09:41:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-09-08 09:41:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-09-08 09:41:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-09-08 09:41:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-09-08 09:41:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 09:41:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 09:41:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 09:41:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 09:41:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 09:41:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 09:41:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 09:41:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 09:41:12,740 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 09:41:14,466 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 09:41:14,468 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 09:41:33,533 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 09:41:33,533 INFO L291 CfgBuilder]: Performing block encoding