./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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function 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 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_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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 00:57:52,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 00:57:52,974 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 00:57:52,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 00:57:52,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 00:57:53,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 00:57:53,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 00:57:53,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 00:57:53,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 00:57:53,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 00:57:53,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 00:57:53,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 00:57:53,017 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 00:57:53,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 00:57:53,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 00:57:53,018 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 00:57:53,018 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 00:57:53,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 00:57:53,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 00:57:53,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 00:57:53,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 00:57:53,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 00:57:53,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 00:57:53,021 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 00:57:53,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 00:57:53,021 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 00:57:53,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 00:57:53,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 00:57:53,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 00:57:53,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 00:57:53,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:57:53,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 00:57:53,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 00:57:53,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 00:57:53,024 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 00:57:53,025 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 00:57:53,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 00:57:53,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 00:57:53,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 00:57:53,025 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 00:57:53,026 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 00:57:53,026 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 00:57:53,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 00:57:53,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 00:57:53,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 00:57:53,318 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 00:57:53,319 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 00:57:53,320 INFO L431 ainManager$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 [2024-09-23 00:57:53,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 00:57:53,451 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 00:57:53,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2024-09-23 00:57:54,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 00:57:55,173 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 00:57:55,174 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2024-09-23 00:57:55,191 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0e067ed93/8a1793d25a2342958653440eafeb5914/FLAG3ba474ba7 [2024-09-23 00:57:55,210 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0e067ed93/8a1793d25a2342958653440eafeb5914 [2024-09-23 00:57:55,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 00:57:55,212 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 00:57:55,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 00:57:55,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 00:57:55,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 00:57:55,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:57:53" (1/2) ... [2024-09-23 00:57:55,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@949cd26 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:57:55, skipping insertion in model container [2024-09-23 00:57:55,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:57:53" (1/2) ... [2024-09-23 00:57:55,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7880a860 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:57:55, skipping insertion in model container [2024-09-23 00:57:55,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:57:55" (2/2) ... [2024-09-23 00:57:55,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@949cd26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:57:55, skipping insertion in model container [2024-09-23 00:57:55,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:57:55" (2/2) ... [2024-09-23 00:57:55,306 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 00:57:55,307 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))) [2024-09-23 00:57:55,308 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))) [2024-09-23 00:57:55,308 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 00:57:55,308 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-23 00:57:55,308 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 00:57:55,308 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 00:57:55,308 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 00:57:55,309 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 00:57:55,309 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 00:57:55,309 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 00:57:55,309 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 00:57:55,309 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 00:57:55,309 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 00:57:55,310 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 00:57:55,310 INFO L1541 ArrayList]: ghost_update [L1062-L1062] multithreaded = 1; [2024-09-23 00:57:55,310 INFO L1541 ArrayList]: ghost_update [L1017-L1017] m_locked = 0; [2024-09-23 00:57:55,310 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 00:57:55,310 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 00:57:55,310 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 00:57:55,311 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 00:57:55,311 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 00:57:55,311 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 00:57:55,311 INFO L1541 ArrayList]: ghost_update [L1008-L1008] m_locked = 1; [2024-09-23 00:57:55,311 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 00:57:55,312 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 00:57:55,312 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 00:57:55,312 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 00:57:55,312 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 00:57:55,312 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 00:57:55,362 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 00:57:55,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:57:55,828 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 00:57:56,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:57:56,614 INFO L204 MainTranslator]: Completed translation [2024-09-23 00:57:56,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:57:56 WrapperNode [2024-09-23 00:57:56,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 00:57:56,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 00:57:56,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 00:57:56,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 00:57:56,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:57:56" (1/1) ... [2024-09-23 00:57:56,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:57:56" (1/1) ... [2024-09-23 00:57:57,240 INFO L138 Inliner]: procedures = 274, calls = 6504, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 19589 [2024-09-23 00:57:57,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 00:57:57,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 00:57:57,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 00:57:57,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 00:57:57,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:57:56" (1/1) ... [2024-09-23 00:57:57,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:57:56" (1/1) ... [2024-09-23 00:57:57,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:57:56" (1/1) ... [2024-09-23 00:57:57,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:57:56" (1/1) ... [2024-09-23 00:57:58,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:57:56" (1/1) ... [2024-09-23 00:57:58,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:57:56" (1/1) ... [2024-09-23 00:57:58,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:57:56" (1/1) ... [2024-09-23 00:57:58,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:57:56" (1/1) ... [2024-09-23 00:57:58,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 00:57:58,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 00:57:58,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 00:57:58,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 00:57:58,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:57:56" (1/1) ... [2024-09-23 00:57:58,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:57:58,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:57:58,314 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 00:57:58,322 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 00:57:58,365 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-09-23 00:57:58,365 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-09-23 00:57:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-09-23 00:57:58,366 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-09-23 00:57:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 00:57:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-23 00:57:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-23 00:57:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 00:57:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 00:57:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 00:57:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 00:57:58,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 00:57:58,371 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 00:57:59,437 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 00:57:59,440 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 00:58:09,878 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 00:58:09,878 INFO L291 CfgBuilder]: Performing block encoding Killed by 15