./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 e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/queue_longer.i ./goblint.2024-09-02_08-21-23.files/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-dev-e94c40d-m [2024-09-23 11:40:44,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 11:40:44,867 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 11:40:44,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 11:40:44,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 11:40:44,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 11:40:44,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 11:40:44,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 11:40:44,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 11:40:44,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 11:40:44,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 11:40:44,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 11:40:44,903 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 11:40:44,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 11:40:44,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 11:40:44,903 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 11:40:44,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 11:40:44,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 11:40:44,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 11:40:44,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 11:40:44,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 11:40:44,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 11:40:44,905 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 11:40:44,906 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 11:40:44,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 11:40:44,906 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 11:40:44,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 11:40:44,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 11:40:44,907 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 11:40:44,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 11:40:44,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:40:44,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 11:40:44,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 11:40:44,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 11:40:44,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 11:40:44,909 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 11:40:44,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 11:40:44,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 11:40:44,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 11:40:44,910 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 11:40:44,910 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 11:40:44,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 11:40:45,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 11:40:45,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 11:40:45,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 11:40:45,101 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 11:40:45,102 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 11:40:45,102 INFO L431 ainManager$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 [2024-09-23 11:40:45,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 11:40:45,189 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 11:40:45,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2024-09-23 11:40:46,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 11:40:46,627 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 11:40:46,627 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2024-09-23 11:40:46,643 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b6d1e6db8/9e385b2902cc4f56935b04923a8c9989/FLAG380fdb6d1 [2024-09-23 11:40:46,947 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b6d1e6db8/9e385b2902cc4f56935b04923a8c9989 [2024-09-23 11:40:46,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 11:40:46,948 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 11:40:46,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 11:40:46,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 11:40:46,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 11:40:46,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:40:45" (1/2) ... [2024-09-23 11:40:46,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bdb6c95 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:40:46, skipping insertion in model container [2024-09-23 11:40:46,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:40:45" (1/2) ... [2024-09-23 11:40:46,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f771cf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:40:46, skipping insertion in model container [2024-09-23 11:40:46,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:40:46" (2/2) ... [2024-09-23 11:40:46,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bdb6c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:46, skipping insertion in model container [2024-09-23 11:40:46,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:40:46" (2/2) ... [2024-09-23 11:40:47,006 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 11:40:47,006 INFO L1541 ArrayList]: Location invariant before [L1063-L1063] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 400) && queue.tail <= 400) [2024-09-23 11:40:47,006 INFO L1541 ArrayList]: Location invariant before [L1064-L1064] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 400) && queue.tail <= 400) [2024-09-23 11:40:47,006 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-23 11:40:47,006 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 11:40:47,007 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 11:40:47,007 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 11:40:47,007 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 11:40:47,007 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 11:40:47,007 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-09-23 11:40:47,007 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 11:40:47,007 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 11:40:47,007 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 11:40:47,008 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 11:40:47,008 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 11:40:47,008 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-09-23 11:40:47,008 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 11:40:47,008 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 11:40:47,008 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 11:40:47,008 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 11:40:47,008 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 11:40:47,009 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-09-23 11:40:47,009 INFO L1541 ArrayList]: ghost_update [L1008-L1008] m_locked = 1; [2024-09-23 11:40:47,009 INFO L1541 ArrayList]: ghost_update [L1017-L1017] m_locked = 0; [2024-09-23 11:40:47,009 INFO L1541 ArrayList]: ghost_update [L1062-L1062] multithreaded = 1; [2024-09-23 11:40:47,009 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 11:40:47,009 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 11:40:47,009 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 11:40:47,009 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 11:40:47,010 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-09-23 11:40:47,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 11:40:47,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:40:47,338 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 11:40:47,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:40:47,685 INFO L204 MainTranslator]: Completed translation [2024-09-23 11:40:47,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:47 WrapperNode [2024-09-23 11:40:47,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 11:40:47,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 11:40:47,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 11:40:47,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 11:40:47,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:47" (1/1) ... [2024-09-23 11:40:47,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:47" (1/1) ... [2024-09-23 11:40:47,940 INFO L138 Inliner]: procedures = 274, calls = 3280, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 9933 [2024-09-23 11:40:47,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 11:40:47,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 11:40:47,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 11:40:47,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 11:40:47,949 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:47" (1/1) ... [2024-09-23 11:40:47,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:47" (1/1) ... [2024-09-23 11:40:47,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:47" (1/1) ... [2024-09-23 11:40:47,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:47" (1/1) ... [2024-09-23 11:40:48,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:47" (1/1) ... [2024-09-23 11:40:48,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:47" (1/1) ... [2024-09-23 11:40:48,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:47" (1/1) ... [2024-09-23 11:40:48,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:47" (1/1) ... [2024-09-23 11:40:48,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 11:40:48,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 11:40:48,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 11:40:48,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 11:40:48,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:40:47" (1/1) ... [2024-09-23 11:40:48,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:40:48,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:40:48,262 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 11:40:48,263 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 11:40:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-09-23 11:40:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-09-23 11:40:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-09-23 11:40:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-09-23 11:40:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 11:40:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-23 11:40:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-23 11:40:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 11:40:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 11:40:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 11:40:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 11:40:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 11:40:48,300 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 11:40:48,743 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 11:40:48,745 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 11:40:53,697 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 11:40:53,697 INFO L291 CfgBuilder]: Performing block encoding