./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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function 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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 01:00:25,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 01:00:25,552 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 01:00:25,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 01:00:25,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 01:00:25,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 01:00:25,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 01:00:25,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 01:00:25,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 01:00:25,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 01:00:25,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 01:00:25,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 01:00:25,608 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 01:00:25,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 01:00:25,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 01:00:25,612 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 01:00:25,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 01:00:25,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 01:00:25,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 01:00:25,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 01:00:25,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 01:00:25,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 01:00:25,621 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 01:00:25,622 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 01:00:25,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 01:00:25,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 01:00:25,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 01:00:25,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 01:00:25,624 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 01:00:25,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 01:00:25,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 01:00:25,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 01:00:25,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 01:00:25,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 01:00:25,625 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 01:00:25,625 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 01:00:25,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 01:00:25,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 01:00:25,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 01:00:25,627 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 01:00:25,627 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 01:00:25,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 01:00:25,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 01:00:25,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 01:00:25,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 01:00:25,923 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 01:00:25,923 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 01:00:25,924 INFO L431 ainManager$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 [2024-09-23 01:00:26,059 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 01:00:26,059 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 01:00:26,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2024-09-23 01:00:27,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 01:00:27,771 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 01:00:27,772 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2024-09-23 01:00:27,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e69234187/5f1d846425404b7da5390b5aa652d11a/FLAG81ea2f1f0 [2024-09-23 01:00:28,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e69234187/5f1d846425404b7da5390b5aa652d11a [2024-09-23 01:00:28,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 01:00:28,058 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 01:00:28,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 01:00:28,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 01:00:28,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 01:00:28,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 01:00:26" (1/2) ... [2024-09-23 01:00:28,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782a643 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:00:28, skipping insertion in model container [2024-09-23 01:00:28,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 01:00:26" (1/2) ... [2024-09-23 01:00:28,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a18c122 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:00:28, skipping insertion in model container [2024-09-23 01:00:28,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 01:00:28" (2/2) ... [2024-09-23 01:00:28,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782a643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:00:28, skipping insertion in model container [2024-09-23 01:00:28,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 01:00:28" (2/2) ... [2024-09-23 01:00:28,142 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 01:00:28,143 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))) [2024-09-23 01:00:28,144 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))) [2024-09-23 01:00:28,144 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 01:00:28,144 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-23 01:00:28,145 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 01:00:28,145 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 01:00:28,145 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 01:00:28,145 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 01:00:28,146 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 01:00:28,146 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 01:00:28,146 INFO L1541 ArrayList]: ghost_update [L1017-L1017] m_locked = 0; [2024-09-23 01:00:28,146 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 01:00:28,147 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 01:00:28,147 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 01:00:28,147 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 01:00:28,147 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 01:00:28,147 INFO L1541 ArrayList]: ghost_update [L1008-L1008] m_locked = 1; [2024-09-23 01:00:28,147 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 01:00:28,148 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 01:00:28,148 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 01:00:28,148 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 01:00:28,148 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 01:00:28,148 INFO L1541 ArrayList]: ghost_update [L1062-L1062] multithreaded = 1; [2024-09-23 01:00:28,148 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 01:00:28,149 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 01:00:28,149 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 01:00:28,149 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 01:00:28,149 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 01:00:28,149 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 01:00:28,202 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 01:00:28,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 01:00:28,639 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 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 [2024-09-23 01:00:30,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 01:00:30,165 INFO L204 MainTranslator]: Completed translation [2024-09-23 01:00:30,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:00:30 WrapperNode [2024-09-23 01:00:30,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 01:00:30,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 01:00:30,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 01:00:30,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 01:00:30,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:00:30" (1/1) ... [2024-09-23 01:00:30,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:00:30" (1/1) ... [2024-09-23 01:00:31,109 INFO L138 Inliner]: procedures = 274, calls = 12904, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 38789 [2024-09-23 01:00:31,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 01:00:31,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 01:00:31,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 01:00:31,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 01:00:31,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:00:30" (1/1) ... [2024-09-23 01:00:31,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:00:30" (1/1) ... [2024-09-23 01:00:31,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:00:30" (1/1) ... [2024-09-23 01:00:31,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:00:30" (1/1) ... [2024-09-23 01:00:32,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:00:30" (1/1) ... [2024-09-23 01:00:32,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:00:30" (1/1) ... [2024-09-23 01:00:32,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:00:30" (1/1) ... [2024-09-23 01:00:32,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:00:30" (1/1) ... [2024-09-23 01:00:33,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 01:00:33,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 01:00:33,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 01:00:33,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 01:00:33,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:00:30" (1/1) ... [2024-09-23 01:00:33,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 01:00:33,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 01:00:33,142 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) [2024-09-23 01:00:33,145 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 [2024-09-23 01:00:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-09-23 01:00:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-09-23 01:00:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-09-23 01:00:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-09-23 01:00:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 01:00:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-23 01:00:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-23 01:00:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 01:00:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 01:00:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 01:00:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 01:00:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 01:00:33,191 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 01:00:34,841 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 01:00:34,843 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 01:00:53,534 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 01:00:53,534 INFO L291 CfgBuilder]: Performing block encoding Killed by 15