./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 --validate ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/queue_longer.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f 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.2024-08-20_10-08-36.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.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-27 04:55:33,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 04:55:33,475 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-27 04:55:33,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 04:55:33,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 04:55:33,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 04:55:33,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 04:55:33,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 04:55:33,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 04:55:33,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 04:55:33,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 04:55:33,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 04:55:33,525 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 04:55:33,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 04:55:33,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 04:55:33,527 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 04:55:33,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-27 04:55:33,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 04:55:33,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 04:55:33,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 04:55:33,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 04:55:33,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 04:55:33,534 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 04:55:33,534 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 04:55:33,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 04:55:33,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 04:55:33,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 04:55:33,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 04:55:33,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 04:55:33,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 04:55:33,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 04:55:33,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 04:55:33,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 04:55:33,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 04:55:33,547 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-27 04:55:33,547 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 04:55:33,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-27 04:55:33,547 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 04:55:33,547 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 04:55:33,548 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 04:55:33,548 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 04:55:33,548 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 04:55:33,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-27 04:55:33,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 04:55:33,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 04:55:33,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 04:55:33,825 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 04:55:33,826 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 04:55:33,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/queue_longer.yml/witness.yml [2024-08-27 04:55:33,919 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 04:55:33,920 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 04:55:33,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2024-08-27 04:55:35,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 04:55:35,563 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 04:55:35,564 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2024-08-27 04:55:35,580 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9512e00e3/f21f4f2521854d67b825c7cb43b2e731/FLAG5b5ccf6e1 [2024-08-27 04:55:35,596 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9512e00e3/f21f4f2521854d67b825c7cb43b2e731 [2024-08-27 04:55:35,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 04:55:35,598 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 04:55:35,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 04:55:35,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 04:55:35,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 04:55:35,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:55:33" (1/2) ... [2024-08-27 04:55:35,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4cc28 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:55:35, skipping insertion in model container [2024-08-27 04:55:35,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:55:33" (1/2) ... [2024-08-27 04:55:35,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b45a7fe and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:55:35, skipping insertion in model container [2024-08-27 04:55:35,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:55:35" (2/2) ... [2024-08-27 04:55:35,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4cc28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:35, skipping insertion in model container [2024-08-27 04:55:35,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:55:35" (2/2) ... [2024-08-27 04:55:35,608 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 04:55:35,681 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 04:55:35,682 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))) [2024-08-27 04:55:35,683 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))) [2024-08-27 04:55:35,683 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-08-27 04:55:35,683 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-27 04:55:35,683 INFO L1541 ArrayList]: ghost_update [L1017-L1017] m_locked = 0; [2024-08-27 04:55:35,683 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-27 04:55:35,684 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-27 04:55:35,684 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-27 04:55:35,685 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-27 04:55:35,685 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-27 04:55:35,685 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-27 04:55:35,685 INFO L1541 ArrayList]: ghost_update [L1062-L1062] multithreaded = 1; [2024-08-27 04:55:35,685 INFO L1541 ArrayList]: ghost_update [L1008-L1008] m_locked = 1; [2024-08-27 04:55:35,685 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-27 04:55:35,685 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-27 04:55:35,686 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-27 04:55:35,686 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-27 04:55:35,686 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-27 04:55:35,686 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-27 04:55:35,686 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-27 04:55:35,686 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-27 04:55:35,687 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-27 04:55:35,687 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-27 04:55:35,687 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-27 04:55:35,688 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-27 04:55:35,688 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-27 04:55:35,688 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-27 04:55:35,688 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-27 04:55:35,688 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-27 04:55:35,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 04:55:36,149 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_longer.i[43296,43309] [2024-08-27 04:55:36,158 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_longer.i[43503,43516] [2024-08-27 04:55:36,161 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_longer.i[43783,43796] [2024-08-27 04:55:36,165 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 04:55:36,177 INFO L202 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 [2024-08-27 04:55:36,255 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_longer.i[43296,43309] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 04:55:36,258 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_longer.i[43503,43516] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 04:55:36,262 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_longer.i[43783,43796] Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 04:55:36,865 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 04:55:36,926 INFO L206 MainTranslator]: Completed translation [2024-08-27 04:55:36,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:36 WrapperNode [2024-08-27 04:55:36,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 04:55:36,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 04:55:36,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 04:55:36,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 04:55:36,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:36" (1/1) ... [2024-08-27 04:55:37,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:36" (1/1) ... [2024-08-27 04:55:37,661 INFO L138 Inliner]: procedures = 274, calls = 6501, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 19583 [2024-08-27 04:55:37,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 04:55:37,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 04:55:37,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 04:55:37,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 04:55:37,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:36" (1/1) ... [2024-08-27 04:55:37,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:36" (1/1) ... [2024-08-27 04:55:37,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:36" (1/1) ... [2024-08-27 04:55:37,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:36" (1/1) ... [2024-08-27 04:55:38,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:36" (1/1) ... [2024-08-27 04:55:38,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:36" (1/1) ... [2024-08-27 04:55:38,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:36" (1/1) ... [2024-08-27 04:55:38,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:36" (1/1) ... [2024-08-27 04:55:38,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 04:55:38,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 04:55:38,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 04:55:38,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 04:55:38,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:55:36" (1/1) ... [2024-08-27 04:55:38,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 04:55:38,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:55:38,472 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) [2024-08-27 04:55:38,478 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 [2024-08-27 04:55:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-08-27 04:55:38,523 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-08-27 04:55:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-08-27 04:55:38,523 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-08-27 04:55:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-27 04:55:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-27 04:55:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-27 04:55:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-27 04:55:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 04:55:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-27 04:55:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 04:55:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 04:55:38,529 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-27 04:55:39,562 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 04:55:39,564 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 04:55:50,120 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 04:55:50,120 INFO L291 CfgBuilder]: Performing block encoding