./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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-20_10-08-36.files/protection-ghost/queue_longest.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_longest.i ./goblint.2024-08-20_10-08-36.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.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-26 19:30:51,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 19:30:51,656 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 19:30:51,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 19:30:51,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 19:30:51,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 19:30:51,684 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 19:30:51,684 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 19:30:51,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 19:30:51,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 19:30:51,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 19:30:51,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 19:30:51,687 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 19:30:51,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 19:30:51,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 19:30:51,689 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 19:30:51,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 19:30:51,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 19:30:51,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 19:30:51,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 19:30:51,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 19:30:51,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 19:30:51,693 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 19:30:51,693 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 19:30:51,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 19:30:51,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 19:30:51,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 19:30:51,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 19:30:51,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 19:30:51,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 19:30:51,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 19:30:51,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 19:30:51,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 19:30:51,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 19:30:51,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 19:30:51,696 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 19:30:51,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 19:30:51,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 19:30:51,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 19:30:51,697 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 19:30:51,697 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 19:30:51,697 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 19:30:51,697 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 19:30:51,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 19:30:51,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 19:30:51,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 19:30:51,936 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 19:30:51,937 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 19:30:51,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/protection-ghost/queue_longest.yml/witness.yml [2024-08-26 19:30:52,033 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 19:30:52,033 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 19:30:52,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2024-08-26 19:30:53,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 19:30:53,734 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 19:30:53,735 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2024-08-26 19:30:53,788 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/56bdd3298/9acedca1e9d545fd9a76372beccfc93b/FLAG89637db52 [2024-08-26 19:30:53,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/56bdd3298/9acedca1e9d545fd9a76372beccfc93b [2024-08-26 19:30:53,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 19:30:53,826 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 19:30:53,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 19:30:53,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 19:30:53,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 19:30:53,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:30:52" (1/2) ... [2024-08-26 19:30:53,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74301310 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:53, skipping insertion in model container [2024-08-26 19:30:53,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:30:52" (1/2) ... [2024-08-26 19:30:53,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43e1321d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:53, skipping insertion in model container [2024-08-26 19:30:53,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:30:53" (2/2) ... [2024-08-26 19:30:53,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74301310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:53, skipping insertion in model container [2024-08-26 19:30:53,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:30:53" (2/2) ... [2024-08-26 19:30:53,869 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 19:30:53,991 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 19:30:53,995 INFO L1541 ArrayList]: Location invariant before [L1064-L1064] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800) [2024-08-26 19:30:53,995 INFO L1541 ArrayList]: Location invariant before [L1063-L1063] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800) [2024-08-26 19:30:53,995 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 19:30:53,995 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-08-26 19:30:53,995 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-26 19:30:53,995 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-26 19:30:53,995 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-26 19:30:53,995 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-26 19:30:53,995 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-26 19:30:53,995 INFO L1541 ArrayList]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-26 19:30:53,995 INFO L1541 ArrayList]: ghost_update [L1008-L1008] m_locked = 1; [2024-08-26 19:30:53,995 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-26 19:30:53,996 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-26 19:30:53,997 INFO L1541 ArrayList]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-26 19:30:53,997 INFO L1541 ArrayList]: ghost_update [L1017-L1017] m_locked = 0; [2024-08-26 19:30:53,997 INFO L1541 ArrayList]: ghost_update [L1062-L1062] multithreaded = 1; [2024-08-26 19:30:54,076 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 19:30:54,498 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 19:30:54,512 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 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 [2024-08-26 19:30:55,673 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 19:30:55,749 INFO L206 MainTranslator]: Completed translation [2024-08-26 19:30:55,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:55 WrapperNode [2024-08-26 19:30:55,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 19:30:55,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 19:30:55,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 19:30:55,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 19:30:55,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:55" (1/1) ... [2024-08-26 19:30:55,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:55" (1/1) ... [2024-08-26 19:30:56,594 INFO L138 Inliner]: procedures = 274, calls = 6480, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 19533 [2024-08-26 19:30:56,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 19:30:56,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 19:30:56,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 19:30:56,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 19:30:56,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:55" (1/1) ... [2024-08-26 19:30:56,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:55" (1/1) ... [2024-08-26 19:30:56,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:55" (1/1) ... [2024-08-26 19:30:56,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:55" (1/1) ... [2024-08-26 19:30:57,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:55" (1/1) ... [2024-08-26 19:30:57,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:55" (1/1) ... [2024-08-26 19:30:57,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:55" (1/1) ... [2024-08-26 19:30:57,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:55" (1/1) ... [2024-08-26 19:30:57,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 19:30:57,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 19:30:57,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 19:30:57,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 19:30:57,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:55" (1/1) ... [2024-08-26 19:30:57,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 19:30:57,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 19:30:57,624 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) [2024-08-26 19:30:57,629 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 [2024-08-26 19:30:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-08-26 19:30:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-08-26 19:30:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-08-26 19:30:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-08-26 19:30:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-26 19:30:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-26 19:30:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-26 19:30:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-26 19:30:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 19:30:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 19:30:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 19:30:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 19:30:57,710 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-26 19:30:58,436 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 19:30:58,438 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 19:31:08,905 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 19:31:08,905 INFO L291 CfgBuilder]: Performing block encoding