./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/queue_longer.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_longer.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_longer.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/queue_longer.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 09:40:27,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 09:40:27,671 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 09:40:27,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 09:40:27,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 09:40:27,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 09:40:27,717 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 09:40:27,718 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 09:40:27,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 09:40:27,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 09:40:27,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 09:40:27,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 09:40:27,720 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 09:40:27,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 09:40:27,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 09:40:27,721 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 09:40:27,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 09:40:27,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 09:40:27,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 09:40:27,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 09:40:27,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 09:40:27,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 09:40:27,724 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 09:40:27,724 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 09:40:27,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 09:40:27,725 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 09:40:27,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 09:40:27,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 09:40:27,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 09:40:27,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 09:40:27,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 09:40:27,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 09:40:27,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 09:40:27,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 09:40:27,727 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 09:40:27,728 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 09:40:27,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 09:40:27,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 09:40:27,729 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 09:40:27,729 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 09:40:27,729 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 09:40:27,730 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 09:40:27,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 09:40:28,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 09:40:28,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 09:40:28,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 09:40:28,020 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 09:40:28,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2024-09-08 09:40:29,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 09:40:29,648 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 09:40:29,649 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2024-09-08 09:40:29,672 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3c574e1d3/bcec61bbddcd457282eaecaf39c38913/FLAGe785470c6 [2024-09-08 09:40:29,974 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3c574e1d3/bcec61bbddcd457282eaecaf39c38913 [2024-09-08 09:40:29,976 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 09:40:29,977 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 09:40:29,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/queue_longer.yml/witness.yml [2024-09-08 09:40:30,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 09:40:30,073 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 09:40:30,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 09:40:30,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 09:40:30,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 09:40:30,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:40:29" (1/2) ... [2024-09-08 09:40:30,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0305be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:40:30, skipping insertion in model container [2024-09-08 09:40:30,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:40:29" (1/2) ... [2024-09-08 09:40:30,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56a6273c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:40:30, skipping insertion in model container [2024-09-08 09:40:30,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 09:40:30" (2/2) ... [2024-09-08 09:40:30,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0305be and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:40:30, skipping insertion in model container [2024-09-08 09:40:30,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 09:40:30" (2/2) ... [2024-09-08 09:40:30,161 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 09:40:30,162 INFO L1541 ArrayList]: Location invariant before [L1063-L1063] ((! multithreaded || (m_locked || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 400) && queue.tail <= 400))) && (! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 400) && queue.tail <= 400))) && (! 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 09:40:30,162 INFO L1541 ArrayList]: Location invariant before [L1064-L1064] ((! multithreaded || (m_locked || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 400) && queue.tail <= 400))) && (! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 400) && queue.tail <= 400))) && (! 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 09:40:30,162 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 09:40:30,162 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-08 09:40:30,163 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 09:40:30,163 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 09:40:30,163 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 09:40:30,163 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 09:40:30,163 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 09:40:30,163 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 09:40:30,163 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 09:40:30,163 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 09:40:30,163 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 09:40:30,164 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 09:40:30,164 INFO L1541 ArrayList]: ghost_update [L1062-L1062] multithreaded = 1; [2024-09-08 09:40:30,164 INFO L1541 ArrayList]: ghost_update [L1017-L1017] m_locked = 0; [2024-09-08 09:40:30,164 INFO L1541 ArrayList]: ghost_update [L1008-L1008] m_locked = 1; [2024-09-08 09:40:30,165 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 09:40:30,165 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 09:40:30,165 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 09:40:30,165 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 09:40:30,165 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 09:40:30,165 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 09:40:30,166 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 09:40:30,166 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 09:40:30,166 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 09:40:30,166 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 09:40:30,167 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 09:40:30,167 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 09:40:30,213 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 09:40:30,679 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_longer.i[43296,43309] [2024-09-08 09:40:30,685 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_longer.i[43503,43516] [2024-09-08 09:40:30,689 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_longer.i[43783,43796] [2024-09-08 09:40:30,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 09:40:30,705 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 09:40:30,782 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_longer.i[43296,43309] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 09:40:30,786 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_longer.i[43503,43516] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 09:40:30,791 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_longer.i[43783,43796] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 09:40:31,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 09:40:31,521 INFO L204 MainTranslator]: Completed translation [2024-09-08 09:40:31,522 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:40:31 WrapperNode [2024-09-08 09:40:31,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 09:40:31,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 09:40:31,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 09:40:31,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 09:40:31,529 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 09:40:31" (1/1) ... [2024-09-08 09:40:31,635 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 09:40:31" (1/1) ... [2024-09-08 09:40:32,277 INFO L138 Inliner]: procedures = 274, calls = 6501, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 19583 [2024-09-08 09:40:32,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 09:40:32,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 09:40:32,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 09:40:32,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 09:40:32,295 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 09:40:31" (1/1) ... [2024-09-08 09:40:32,296 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 09:40:31" (1/1) ... [2024-09-08 09:40:32,430 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 09:40:31" (1/1) ... [2024-09-08 09:40:32,434 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 09:40:31" (1/1) ... [2024-09-08 09:40:32,701 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 09:40:31" (1/1) ... [2024-09-08 09:40:32,884 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 09:40:31" (1/1) ... [2024-09-08 09:40:32,925 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 09:40:31" (1/1) ... [2024-09-08 09:40:32,957 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 09:40:31" (1/1) ... [2024-09-08 09:40:33,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 09:40:33,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 09:40:33,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 09:40:33,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 09:40:33,027 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 09:40:31" (1/1) ... [2024-09-08 09:40:33,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 09:40:33,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:40:33,057 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 09:40:33,061 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 09:40:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-09-08 09:40:33,106 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-09-08 09:40:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-09-08 09:40:33,106 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-09-08 09:40:33,107 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 09:40:33,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 09:40:33,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 09:40:33,108 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 09:40:33,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 09:40:33,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 09:40:33,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 09:40:33,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 09:40:33,113 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 09:40:34,146 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 09:40:34,149 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 09:40:45,194 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 09:40:45,195 INFO L291 CfgBuilder]: Performing block encoding