./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/protection-ghost/queue_longer.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_longer.i ./goblint.2024-09-02_08-21-23.files/protection-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-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 00:18:12,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 00:18:13,036 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 00:18:13,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 00:18:13,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 00:18:13,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 00:18:13,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 00:18:13,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 00:18:13,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 00:18:13,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 00:18:13,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 00:18:13,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 00:18:13,092 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 00:18:13,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 00:18:13,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 00:18:13,096 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 00:18:13,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 00:18:13,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 00:18:13,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 00:18:13,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 00:18:13,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 00:18:13,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 00:18:13,099 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 00:18:13,100 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 00:18:13,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 00:18:13,100 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 00:18:13,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 00:18:13,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 00:18:13,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 00:18:13,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 00:18:13,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 00:18:13,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 00:18:13,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 00:18:13,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 00:18:13,104 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 00:18:13,104 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 00:18:13,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 00:18:13,104 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 00:18:13,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 00:18:13,105 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 00:18:13,105 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 00:18:13,106 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-08 00:18:13,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 00:18:13,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 00:18:13,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 00:18:13,433 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 00:18:13,433 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 00:18:13,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/queue_longer.yml/witness.yml [2024-09-08 00:18:13,579 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 00:18:13,583 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 00:18:13,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2024-09-08 00:18:15,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 00:18:15,365 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 00:18:15,366 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2024-09-08 00:18:15,392 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/96e3b16d3/5b235fd44d0a4e648035e50a14afd80b/FLAG83401806c [2024-09-08 00:18:15,672 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/96e3b16d3/5b235fd44d0a4e648035e50a14afd80b [2024-09-08 00:18:15,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 00:18:15,674 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 00:18:15,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 00:18:15,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 00:18:15,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 00:18:15,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:18:13" (1/2) ... [2024-09-08 00:18:15,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4454f1e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:18:15, skipping insertion in model container [2024-09-08 00:18:15,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:18:13" (1/2) ... [2024-09-08 00:18:15,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b88043b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:18:15, skipping insertion in model container [2024-09-08 00:18:15,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:18:15" (2/2) ... [2024-09-08 00:18:15,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4454f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:18:15, skipping insertion in model container [2024-09-08 00:18:15,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:18:15" (2/2) ... [2024-09-08 00:18:15,757 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 00:18:15,758 INFO L1541 ArrayList]: Location invariant before [L1064-L1064] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 400) && queue.tail <= 400) [2024-09-08 00:18:15,758 INFO L1541 ArrayList]: Location invariant before [L1063-L1063] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 400) && queue.tail <= 400) [2024-09-08 00:18:15,758 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 00:18:15,758 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-08 00:18:15,759 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 00:18:15,759 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 00:18:15,759 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 00:18:15,759 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 00:18:15,759 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 00:18:15,760 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-08 00:18:15,760 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 00:18:15,760 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 00:18:15,760 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 00:18:15,760 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 00:18:15,760 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-08 00:18:15,760 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 00:18:15,761 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 00:18:15,761 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 00:18:15,761 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 00:18:15,761 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-08 00:18:15,761 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 00:18:15,761 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 00:18:15,762 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 00:18:15,762 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 00:18:15,762 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 00:18:15,762 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-08 00:18:15,762 INFO L1541 ArrayList]: ghost_update [L1017-L1017] m_locked = 0; [2024-09-08 00:18:15,762 INFO L1541 ArrayList]: ghost_update [L1062-L1062] multithreaded = 1; [2024-09-08 00:18:15,763 INFO L1541 ArrayList]: ghost_update [L1008-L1008] m_locked = 1; [2024-09-08 00:18:15,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 00:18:16,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 00:18:16,383 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 [2024-09-08 00:18:16,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 00:18:16,934 INFO L204 MainTranslator]: Completed translation [2024-09-08 00:18:16,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:18:16 WrapperNode [2024-09-08 00:18:16,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 00:18:16,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 00:18:16,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 00:18:16,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 00:18:16,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:18:16" (1/1) ... [2024-09-08 00:18:17,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:18:16" (1/1) ... [2024-09-08 00:18:17,286 INFO L138 Inliner]: procedures = 274, calls = 3280, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 9933 [2024-09-08 00:18:17,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 00:18:17,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 00:18:17,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 00:18:17,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 00:18:17,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:18:16" (1/1) ... [2024-09-08 00:18:17,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:18:16" (1/1) ... [2024-09-08 00:18:17,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:18:16" (1/1) ... [2024-09-08 00:18:17,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:18:16" (1/1) ... [2024-09-08 00:18:17,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:18:16" (1/1) ... [2024-09-08 00:18:17,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:18:16" (1/1) ... [2024-09-08 00:18:17,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:18:16" (1/1) ... [2024-09-08 00:18:17,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:18:16" (1/1) ... [2024-09-08 00:18:17,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 00:18:17,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 00:18:17,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 00:18:17,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 00:18:17,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:18:16" (1/1) ... [2024-09-08 00:18:17,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 00:18:17,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:18:17,916 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 00:18:17,919 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 00:18:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-09-08 00:18:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-09-08 00:18:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-09-08 00:18:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-09-08 00:18:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 00:18:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 00:18:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 00:18:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 00:18:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 00:18:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 00:18:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 00:18:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 00:18:17,974 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 00:18:18,692 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 00:18:18,694 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 00:18:24,901 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 00:18:24,902 INFO L291 CfgBuilder]: Performing block encoding