./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/protection-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/protection-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 11:40:48,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 11:40:48,321 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 11:40:48,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 11:40:48,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 11:40:48,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 11:40:48,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 11:40:48,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 11:40:48,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 11:40:48,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 11:40:48,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 11:40:48,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 11:40:48,363 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 11:40:48,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 11:40:48,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 11:40:48,364 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 11:40:48,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 11:40:48,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 11:40:48,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 11:40:48,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 11:40:48,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 11:40:48,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 11:40:48,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 11:40:48,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 11:40:48,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 11:40:48,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 11:40:48,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 11:40:48,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 11:40:48,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 11:40:48,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 11:40:48,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:40:48,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 11:40:48,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 11:40:48,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 11:40:48,368 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 11:40:48,369 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 11:40:48,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 11:40:48,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 11:40:48,371 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 11:40:48,371 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 11:40:48,371 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 11:40:48,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 11:40:48,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 11:40:48,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 11:40:48,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 11:40:48,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 11:40:48,632 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 11:40:48,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2024-09-23 11:40:50,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 11:40:50,341 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 11:40:50,342 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2024-09-23 11:40:50,366 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/28520d29f/bbb5531b46f543898a6f273aa72baed9/FLAG2e24ebe9e [2024-09-23 11:40:50,627 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/28520d29f/bbb5531b46f543898a6f273aa72baed9 [2024-09-23 11:40:50,630 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 11:40:50,630 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 11:40:50,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/queue_longest.yml/witness.yml [2024-09-23 11:40:50,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 11:40:50,719 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 11:40:50,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 11:40:50,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 11:40:50,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 11:40:50,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:40:50" (1/2) ... [2024-09-23 11:40:50,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e2f5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:50, skipping insertion in model container [2024-09-23 11:40:50,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:40:50" (1/2) ... [2024-09-23 11:40:50,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8e2353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:50, skipping insertion in model container [2024-09-23 11:40:50,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:40:50" (2/2) ... [2024-09-23 11:40:50,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e2f5c1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:40:50, skipping insertion in model container [2024-09-23 11:40:50,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:40:50" (2/2) ... [2024-09-23 11:40:50,785 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 11:40:50,787 INFO L1541 ArrayList]: Location invariant before [L1063-L1063] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800) [2024-09-23 11:40:50,787 INFO L1541 ArrayList]: Location invariant before [L1064-L1064] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800) [2024-09-23 11:40:50,787 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-23 11:40:50,788 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 11:40:50,788 INFO L1541 ArrayList]: ghost_update [L1062-L1062] multithreaded = 1; [2024-09-23 11:40:50,788 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 11:40:50,788 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 11:40:50,788 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 11:40:50,789 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 11:40:50,789 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 11:40:50,789 INFO L1541 ArrayList]: ghost_update [L1008-L1008] m_locked = 1; [2024-09-23 11:40:50,790 INFO L1541 ArrayList]: ghost_update [L1017-L1017] m_locked = 0; [2024-09-23 11:40:50,790 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 11:40:50,790 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 11:40:50,790 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 11:40:50,790 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 11:40:50,790 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 11:40:50,790 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 11:40:50,791 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 11:40:50,791 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 11:40:50,791 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 11:40:50,791 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 11:40:50,791 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 11:40:50,791 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 11:40:50,791 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 11:40:50,792 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 11:40:50,792 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 11:40:50,792 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 11:40:50,792 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 11:40:50,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 11:40:51,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:40:51,271 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 11:40:52,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:40:52,233 INFO L204 MainTranslator]: Completed translation [2024-09-23 11:40:52,235 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:40:52 WrapperNode [2024-09-23 11:40:52,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 11:40:52,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 11:40:52,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 11:40:52,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 11:40:52,243 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 23.09 11:40:52" (1/1) ... [2024-09-23 11:40:52,383 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 23.09 11:40:52" (1/1) ... [2024-09-23 11:40:53,006 INFO L138 Inliner]: procedures = 274, calls = 6480, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 19533 [2024-09-23 11:40:53,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 11:40:53,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 11:40:53,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 11:40:53,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 11:40:53,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:40:52" (1/1) ... [2024-09-23 11:40:53,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:40:52" (1/1) ... [2024-09-23 11:40:53,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:40:52" (1/1) ... [2024-09-23 11:40:53,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:40:52" (1/1) ... [2024-09-23 11:40:53,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:40:52" (1/1) ... [2024-09-23 11:40:53,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:40:52" (1/1) ... [2024-09-23 11:40:53,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:40:52" (1/1) ... [2024-09-23 11:40:53,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:40:52" (1/1) ... [2024-09-23 11:40:53,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 11:40:53,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 11:40:53,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 11:40:53,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 11:40:53,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:40:52" (1/1) ... [2024-09-23 11:40:53,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:40:53,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:40:53,837 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 11:40:53,841 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 11:40:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-09-23 11:40:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-09-23 11:40:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-09-23 11:40:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-09-23 11:40:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 11:40:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-23 11:40:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-23 11:40:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 11:40:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 11:40:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 11:40:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 11:40:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 11:40:53,891 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 11:40:54,976 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 11:40:54,978 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 11:41:05,768 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 11:41:05,768 INFO L291 CfgBuilder]: Performing block encoding Killed by 15