./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.2024-06-19_11-23-25.files/mutex-meet-nonrel/queue_longest.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce 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.2024-06-19_11-23-25.files/mutex-meet-nonrel/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.fs.goblint-validation-2cc22fc-m [2024-07-22 22:37:07,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 22:37:07,560 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 22:37:07,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 22:37:07,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 22:37:07,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 22:37:07,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 22:37:07,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 22:37:07,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 22:37:07,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 22:37:07,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 22:37:07,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 22:37:07,598 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 22:37:07,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 22:37:07,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 22:37:07,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 22:37:07,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 22:37:07,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 22:37:07,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 22:37:07,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 22:37:07,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 22:37:07,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 22:37:07,602 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 22:37:07,602 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 22:37:07,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 22:37:07,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 22:37:07,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 22:37:07,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 22:37:07,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 22:37:07,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 22:37:07,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:37:07,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 22:37:07,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 22:37:07,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 22:37:07,605 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 22:37:07,605 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 22:37:07,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 22:37:07,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 22:37:07,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 22:37:07,606 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 22:37:07,606 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 22:37:07,607 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 22:37:07,607 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 22:37:07,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 22:37:07,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 22:37:07,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 22:37:07,911 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 22:37:07,912 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 22:37:07,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2024-07-22 22:37:08,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 22:37:09,189 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 22:37:09,190 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2024-07-22 22:37:09,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fbb8f1753/6c992b8065c34908a6744ff8fde4402a/FLAGef3d1c731 [2024-07-22 22:37:09,211 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fbb8f1753/6c992b8065c34908a6744ff8fde4402a [2024-07-22 22:37:09,212 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 22:37:09,213 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 22:37:09,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/queue_longest.yml/witness.yml [2024-07-22 22:37:09,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 22:37:09,314 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 22:37:09,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 22:37:09,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 22:37:09,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 22:37:09,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:37:09" (1/2) ... [2024-07-22 22:37:09,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af66595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:37:09, skipping insertion in model container [2024-07-22 22:37:09,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:37:09" (1/2) ... [2024-07-22 22:37:09,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1300d18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:37:09, skipping insertion in model container [2024-07-22 22:37:09,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:37:09" (2/2) ... [2024-07-22 22:37:09,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af66595 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:37:09, skipping insertion in model container [2024-07-22 22:37:09,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:37:09" (2/2) ... [2024-07-22 22:37:09,330 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 22:37:09,408 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 22:37:09,409 INFO L97 edCorrectnessWitness]: Location invariant before [L1063-L1063] (! multithreaded || (m_locked || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800))) && (! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800)) [2024-07-22 22:37:09,409 INFO L97 edCorrectnessWitness]: Location invariant before [L1064-L1064] (! multithreaded || (m_locked || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800))) && (! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800)) [2024-07-22 22:37:09,410 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 22:37:09,410 INFO L103 edCorrectnessWitness]: ghost_variable m_locked = 0 [2024-07-22 22:37:09,410 INFO L106 edCorrectnessWitness]: ghost_update [L1039-L1039] m_locked = 1; [2024-07-22 22:37:09,410 INFO L106 edCorrectnessWitness]: ghost_update [L1029-L1029] m_locked = 0; [2024-07-22 22:37:09,411 INFO L106 edCorrectnessWitness]: ghost_update [L1048-L1048] m_locked = 0; [2024-07-22 22:37:09,411 INFO L106 edCorrectnessWitness]: ghost_update [L1020-L1020] m_locked = 1; [2024-07-22 22:37:09,411 INFO L106 edCorrectnessWitness]: ghost_update [L1062-L1062] multithreaded = 1; [2024-07-22 22:37:09,411 INFO L106 edCorrectnessWitness]: ghost_update [L1008-L1008] m_locked = 1; [2024-07-22 22:37:09,411 INFO L106 edCorrectnessWitness]: ghost_update [L1017-L1017] m_locked = 0; [2024-07-22 22:37:09,461 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 22:37:10,009 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:37:10,021 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 [2024-07-22 22:37:11,193 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:37:11,249 INFO L206 MainTranslator]: Completed translation [2024-07-22 22:37:11,250 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:37:11 WrapperNode [2024-07-22 22:37:11,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 22:37:11,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 22:37:11,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 22:37:11,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 22:37:11,256 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 22.07 10:37:11" (1/1) ... [2024-07-22 22:37:11,536 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 22.07 10:37:11" (1/1) ... [2024-07-22 22:37:12,524 INFO L138 Inliner]: procedures = 274, calls = 12904, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 51635 [2024-07-22 22:37:12,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 22:37:12,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 22:37:12,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 22:37:12,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 22:37:12,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:37:11" (1/1) ... [2024-07-22 22:37:12,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:37:11" (1/1) ... [2024-07-22 22:37:12,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:37:11" (1/1) ... [2024-07-22 22:37:12,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:37:11" (1/1) ... [2024-07-22 22:37:13,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:37:11" (1/1) ... [2024-07-22 22:37:13,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:37:11" (1/1) ... [2024-07-22 22:37:13,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:37:11" (1/1) ... [2024-07-22 22:37:13,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:37:11" (1/1) ... [2024-07-22 22:37:13,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 22:37:13,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 22:37:13,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 22:37:13,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 22:37:13,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:37:11" (1/1) ... [2024-07-22 22:37:13,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:37:14,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:37:14,133 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) [2024-07-22 22:37:14,159 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 [2024-07-22 22:37:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-07-22 22:37:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-07-22 22:37:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-07-22 22:37:14,214 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-07-22 22:37:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-22 22:37:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-22 22:37:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-22 22:37:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-22 22:37:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 22:37:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 22:37:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 22:37:14,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 22:37:14,224 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 22:37:16,348 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 22:37:16,350 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 22:37:37,279 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 22:37:37,280 INFO L293 CfgBuilder]: Performing block encoding