./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 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_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-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 12:45:40,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 12:45:40,166 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 12:45:40,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 12:45:40,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 12:45:40,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 12:45:40,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 12:45:40,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 12:45:40,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 12:45:40,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 12:45:40,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 12:45:40,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 12:45:40,205 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 12:45:40,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 12:45:40,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 12:45:40,206 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 12:45:40,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 12:45:40,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 12:45:40,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 12:45:40,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 12:45:40,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 12:45:40,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 12:45:40,208 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 12:45:40,208 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 12:45:40,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 12:45:40,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 12:45:40,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 12:45:40,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 12:45:40,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 12:45:40,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 12:45:40,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 12:45:40,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 12:45:40,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 12:45:40,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 12:45:40,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 12:45:40,210 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 12:45:40,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 12:45:40,210 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 12:45:40,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 12:45:40,210 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 12:45:40,210 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 12:45:40,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 12:45:40,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 12:45:40,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 12:45:40,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 12:45:40,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 12:45:40,425 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 12:45:40,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2024-09-08 12:45:41,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 12:45:41,802 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 12:45:41,802 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2024-09-08 12:45:41,818 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e920f5b1e/ed328009f7ca45f8a61927efed7987ff/FLAG2d65b993c [2024-09-08 12:45:42,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e920f5b1e/ed328009f7ca45f8a61927efed7987ff [2024-09-08 12:45:42,167 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 12:45:42,168 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 12:45:42,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/queue_longest.yml/witness.yml [2024-09-08 12:45:42,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 12:45:42,249 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 12:45:42,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 12:45:42,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 12:45:42,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 12:45:42,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:45:42" (1/2) ... [2024-09-08 12:45:42,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353e5043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:45:42, skipping insertion in model container [2024-09-08 12:45:42,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:45:42" (1/2) ... [2024-09-08 12:45:42,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1cab0440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:45:42, skipping insertion in model container [2024-09-08 12:45:42,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:45:42" (2/2) ... [2024-09-08 12:45:42,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353e5043 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:45:42, skipping insertion in model container [2024-09-08 12:45:42,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:45:42" (2/2) ... [2024-09-08 12:45:42,308 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 12:45:42,309 INFO L1541 ArrayList]: Location invariant before [L1063-L1063] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800) [2024-09-08 12:45:42,309 INFO L1541 ArrayList]: Location invariant before [L1064-L1064] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800) [2024-09-08 12:45:42,309 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-08 12:45:42,309 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 12:45:42,309 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 12:45:42,310 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 12:45:42,310 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 12:45:42,310 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 12:45:42,310 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 12:45:42,310 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 12:45:42,310 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 12:45:42,310 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 12:45:42,311 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 12:45:42,311 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 12:45:42,311 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 12:45:42,311 INFO L1541 ArrayList]: ghost_update [L1062-L1062] multithreaded = 1; [2024-09-08 12:45:42,311 INFO L1541 ArrayList]: ghost_update [L1008-L1008] m_locked = 1; [2024-09-08 12:45:42,312 INFO L1541 ArrayList]: ghost_update [L1017-L1017] m_locked = 0; [2024-09-08 12:45:42,312 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 12:45:42,312 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 12:45:42,312 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 12:45:42,312 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 12:45:42,312 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 12:45:42,312 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 12:45:42,313 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 12:45:42,313 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 12:45:42,313 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 12:45:42,313 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 12:45:42,313 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 12:45:42,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 12:45:42,639 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_longest.i[43296,43309] [2024-09-08 12:45:42,647 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_longest.i[43503,43516] [2024-09-08 12:45:42,650 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_longest.i[43783,43796] [2024-09-08 12:45:42,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 12:45:42,668 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 12:45:42,730 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_longest.i[43296,43309] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 12:45:42,732 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_longest.i[43503,43516] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 12:45:42,734 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_longest.i[43783,43796] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 12:45:43,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 12:45:43,350 INFO L204 MainTranslator]: Completed translation [2024-09-08 12:45:43,351 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:45:43 WrapperNode [2024-09-08 12:45:43,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 12:45:43,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 12:45:43,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 12:45:43,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 12:45:43,357 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 12:45:43" (1/1) ... [2024-09-08 12:45:43,468 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 12:45:43" (1/1) ... [2024-09-08 12:45:43,919 INFO L138 Inliner]: procedures = 274, calls = 6477, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 19527 [2024-09-08 12:45:43,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 12:45:43,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 12:45:43,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 12:45:43,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 12:45:43,932 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 12:45:43" (1/1) ... [2024-09-08 12:45:43,933 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 12:45:43" (1/1) ... [2024-09-08 12:45:44,061 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 12:45:43" (1/1) ... [2024-09-08 12:45:44,061 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 12:45:43" (1/1) ... [2024-09-08 12:45:44,275 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 12:45:43" (1/1) ... [2024-09-08 12:45:44,320 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 12:45:43" (1/1) ... [2024-09-08 12:45:44,358 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 12:45:43" (1/1) ... [2024-09-08 12:45:44,389 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 12:45:43" (1/1) ... [2024-09-08 12:45:44,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 12:45:44,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 12:45:44,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 12:45:44,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 12:45:44,458 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 12:45:43" (1/1) ... [2024-09-08 12:45:44,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 12:45:44,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:45:44,483 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 12:45:44,485 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 12:45:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-09-08 12:45:44,521 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-09-08 12:45:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-09-08 12:45:44,521 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-09-08 12:45:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 12:45:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 12:45:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 12:45:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 12:45:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 12:45:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 12:45:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 12:45:44,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 12:45:44,525 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 12:45:45,348 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 12:45:45,350 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 12:45:53,819 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 12:45:53,820 INFO L291 CfgBuilder]: Performing block encoding