./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.2024-08-08_07-59-58.files/mutex-meet-ghost/queue_longer.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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.2024-08-08_07-59-58.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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 00:06:13,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 00:06:13,069 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 00:06:13,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 00:06:13,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 00:06:13,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 00:06:13,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 00:06:13,107 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 00:06:13,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 00:06:13,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 00:06:13,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 00:06:13,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 00:06:13,110 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 00:06:13,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 00:06:13,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 00:06:13,112 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 00:06:13,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 00:06:13,112 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 00:06:13,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 00:06:13,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 00:06:13,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 00:06:13,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 00:06:13,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 00:06:13,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 00:06:13,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 00:06:13,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 00:06:13,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 00:06:13,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 00:06:13,115 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 00:06:13,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 00:06:13,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 00:06:13,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 00:06:13,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 00:06:13,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 00:06:13,116 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 00:06:13,116 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 00:06:13,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 00:06:13,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 00:06:13,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 00:06:13,117 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 00:06:13,118 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 00:06:13,118 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 00:06:13,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-23 00:06:13,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 00:06:13,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 00:06:13,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 00:06:13,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 00:06:13,371 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 00:06:13,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2024-08-23 00:06:14,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 00:06:15,001 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 00:06:15,002 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2024-08-23 00:06:15,023 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b41c4202a/c1f5df0999c94733b8e804981a4935c7/FLAG019503045 [2024-08-23 00:06:15,035 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b41c4202a/c1f5df0999c94733b8e804981a4935c7 [2024-08-23 00:06:15,038 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 00:06:15,038 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 00:06:15,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/queue_longer.yml/witness.yml [2024-08-23 00:06:15,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 00:06:15,145 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 00:06:15,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 00:06:15,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 00:06:15,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 00:06:15,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 12:06:15" (1/2) ... [2024-08-23 00:06:15,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3fc77a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:15, skipping insertion in model container [2024-08-23 00:06:15,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 12:06:15" (1/2) ... [2024-08-23 00:06:15,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4446d60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:06:15, skipping insertion in model container [2024-08-23 00:06:15,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 12:06:15" (2/2) ... [2024-08-23 00:06:15,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3fc77a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 12:06:15, skipping insertion in model container [2024-08-23 00:06:15,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 12:06:15" (2/2) ... [2024-08-23 00:06:15,157 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 00:06:15,197 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 00:06:15,198 INFO L97 edCorrectnessWitness]: 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))) [2024-08-23 00:06:15,199 INFO L97 edCorrectnessWitness]: 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))) [2024-08-23 00:06:15,199 INFO L103 edCorrectnessWitness]: ghost_variable m_locked = 0 [2024-08-23 00:06:15,199 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 00:06:15,200 INFO L106 edCorrectnessWitness]: ghost_update [L1008-L1008] m_locked = 1; [2024-08-23 00:06:15,200 INFO L106 edCorrectnessWitness]: ghost_update [L1017-L1017] m_locked = 0; [2024-08-23 00:06:15,200 INFO L106 edCorrectnessWitness]: ghost_update [L1062-L1062] multithreaded = 1; [2024-08-23 00:06:15,200 INFO L106 edCorrectnessWitness]: ghost_update [L1020-L1020] m_locked = 1; [2024-08-23 00:06:15,201 INFO L106 edCorrectnessWitness]: ghost_update [L1029-L1029] m_locked = 0; [2024-08-23 00:06:15,201 INFO L106 edCorrectnessWitness]: ghost_update [L1039-L1039] m_locked = 1; [2024-08-23 00:06:15,201 INFO L106 edCorrectnessWitness]: ghost_update [L1048-L1048] m_locked = 0; [2024-08-23 00:06:15,248 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 00:06:15,640 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 00:06:15,653 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 [2024-08-23 00:06:16,182 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 00:06:16,232 INFO L206 MainTranslator]: Completed translation [2024-08-23 00:06:16,233 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 12:06:16 WrapperNode [2024-08-23 00:06:16,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 00:06:16,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 00:06:16,234 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 00:06:16,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 00:06:16,239 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 23.08 12:06:16" (1/1) ... [2024-08-23 00:06:16,382 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 23.08 12:06:16" (1/1) ... [2024-08-23 00:06:16,755 INFO L138 Inliner]: procedures = 274, calls = 6504, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 26035 [2024-08-23 00:06:16,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 00:06:16,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 00:06:16,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 00:06:16,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 00:06:16,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 12:06:16" (1/1) ... [2024-08-23 00:06:16,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 12:06:16" (1/1) ... [2024-08-23 00:06:16,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 12:06:16" (1/1) ... [2024-08-23 00:06:16,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 12:06:16" (1/1) ... [2024-08-23 00:06:17,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 12:06:16" (1/1) ... [2024-08-23 00:06:17,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 12:06:16" (1/1) ... [2024-08-23 00:06:17,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 12:06:16" (1/1) ... [2024-08-23 00:06:17,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 12:06:16" (1/1) ... [2024-08-23 00:06:17,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 00:06:17,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 00:06:17,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 00:06:17,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 00:06:17,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 12:06:16" (1/1) ... [2024-08-23 00:06:17,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 00:06:17,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 00:06:17,619 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) [2024-08-23 00:06:17,621 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 [2024-08-23 00:06:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-08-23 00:06:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-08-23 00:06:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-08-23 00:06:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-08-23 00:06:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-23 00:06:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-23 00:06:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-23 00:06:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-23 00:06:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 00:06:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 00:06:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 00:06:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 00:06:17,657 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 00:06:18,463 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 00:06:18,465 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 00:06:28,924 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 00:06:28,924 INFO L292 CfgBuilder]: Performing block encoding