./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/queue_longest.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/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 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 08:12:20,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 08:12:20,927 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 08:12:20,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 08:12:20,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 08:12:20,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 08:12:20,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 08:12:20,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 08:12:20,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 08:12:20,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 08:12:20,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 08:12:20,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 08:12:20,960 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 08:12:20,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 08:12:20,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 08:12:20,961 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 08:12:20,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 08:12:20,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 08:12:20,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 08:12:20,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 08:12:20,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 08:12:20,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 08:12:20,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 08:12:20,965 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 08:12:20,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 08:12:20,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 08:12:20,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 08:12:20,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 08:12:20,967 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 08:12:20,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 08:12:20,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 08:12:20,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 08:12:20,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 08:12:20,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 08:12:20,969 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 08:12:20,969 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 08:12:20,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 08:12:20,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 08:12:20,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 08:12:20,970 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 08:12:20,971 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 08:12:20,971 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-23 08:12:21,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 08:12:21,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 08:12:21,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 08:12:21,254 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 08:12:21,255 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 08:12:21,256 INFO L431 ainManager$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 08:12:21,341 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 08:12:21,341 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 08:12:21,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2024-09-23 08:12:22,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 08:12:23,032 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 08:12:23,033 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2024-09-23 08:12:23,048 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/945166789/b540e54bf1aa44259133782bd4750765/FLAG033b61010 [2024-09-23 08:12:23,064 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/945166789/b540e54bf1aa44259133782bd4750765 [2024-09-23 08:12:23,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 08:12:23,065 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 08:12:23,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 08:12:23,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 08:12:23,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 08:12:23,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 08:12:21" (1/2) ... [2024-09-23 08:12:23,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718ab03b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 08:12:23, skipping insertion in model container [2024-09-23 08:12:23,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 08:12:21" (1/2) ... [2024-09-23 08:12:23,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17fda388 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 08:12:23, skipping insertion in model container [2024-09-23 08:12:23,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 08:12:23" (2/2) ... [2024-09-23 08:12:23,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718ab03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:12:23, skipping insertion in model container [2024-09-23 08:12:23,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 08:12:23" (2/2) ... [2024-09-23 08:12:23,146 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 08:12:23,147 INFO L1541 ArrayList]: Location invariant before [L1063-L1063] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800) [2024-09-23 08:12:23,148 INFO L1541 ArrayList]: Location invariant before [L1064-L1064] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800) [2024-09-23 08:12:23,148 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 08:12:23,149 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-23 08:12:23,149 INFO L1541 ArrayList]: ghost_update [L1062-L1062] multithreaded = 1; [2024-09-23 08:12:23,149 INFO L1541 ArrayList]: ghost_update [L1008-L1008] m_locked = 1; [2024-09-23 08:12:23,149 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 08:12:23,150 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 08:12:23,150 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 08:12:23,150 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 08:12:23,150 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 08:12:23,151 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 08:12:23,151 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 08:12:23,151 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 08:12:23,152 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 08:12:23,152 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 08:12:23,152 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 08:12:23,152 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 08:12:23,152 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 08:12:23,152 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 08:12:23,152 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 08:12:23,153 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 08:12:23,153 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 08:12:23,153 INFO L1541 ArrayList]: ghost_update [L1017-L1017] m_locked = 0; [2024-09-23 08:12:23,153 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 08:12:23,153 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 08:12:23,153 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 08:12:23,154 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 08:12:23,154 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 08:12:23,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 08:12:23,617 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43296,43309] [2024-09-23 08:12:23,629 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43503,43516] [2024-09-23 08:12:23,633 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43783,43796] [2024-09-23 08:12:23,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 08:12:23,656 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 [2024-09-23 08:12:23,762 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43296,43309] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 08:12:23,766 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43503,43516] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 08:12:23,769 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43783,43796] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 08:12:24,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 08:12:24,667 INFO L204 MainTranslator]: Completed translation [2024-09-23 08:12:24,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:12:24 WrapperNode [2024-09-23 08:12:24,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 08:12:24,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 08:12:24,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 08:12:24,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 08:12:24,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:12:24" (1/1) ... [2024-09-23 08:12:24,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:12:24" (1/1) ... [2024-09-23 08:12:25,180 INFO L138 Inliner]: procedures = 274, calls = 6477, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 19527 [2024-09-23 08:12:25,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 08:12:25,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 08:12:25,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 08:12:25,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 08:12:25,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:12:24" (1/1) ... [2024-09-23 08:12:25,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:12:24" (1/1) ... [2024-09-23 08:12:25,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:12:24" (1/1) ... [2024-09-23 08:12:25,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:12:24" (1/1) ... [2024-09-23 08:12:25,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:12:24" (1/1) ... [2024-09-23 08:12:25,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:12:24" (1/1) ... [2024-09-23 08:12:25,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:12:24" (1/1) ... [2024-09-23 08:12:25,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:12:24" (1/1) ... [2024-09-23 08:12:25,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 08:12:25,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 08:12:25,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 08:12:25,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 08:12:25,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:12:24" (1/1) ... [2024-09-23 08:12:25,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 08:12:25,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 08:12:25,744 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 08:12:25,907 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 08:12:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-09-23 08:12:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-09-23 08:12:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-09-23 08:12:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-09-23 08:12:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 08:12:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-23 08:12:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-23 08:12:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 08:12:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 08:12:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 08:12:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 08:12:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 08:12:26,002 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 08:12:27,057 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 08:12:27,059 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 08:12:37,511 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 08:12:37,512 INFO L291 CfgBuilder]: Performing block encoding Killed by 15