./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.2024-06-19_11-23-25.files/mutex-meet-nonrel/queue_longer.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_longer.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/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.fs.goblint-validation-2cc22fc-m [2024-07-22 22:37:05,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 22:37:05,892 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 22:37:05,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 22:37:05,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 22:37:05,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 22:37:05,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 22:37:05,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 22:37:05,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 22:37:05,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 22:37:05,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 22:37:05,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 22:37:05,913 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 22:37:05,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 22:37:05,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 22:37:05,913 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 22:37:05,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 22:37:05,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 22:37:05,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 22:37:05,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 22:37:05,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 22:37:05,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 22:37:05,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 22:37:05,916 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 22:37:05,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 22:37:05,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 22:37:05,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 22:37:05,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 22:37:05,917 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 22:37:05,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 22:37:05,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:37:05,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 22:37:05,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 22:37:05,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 22:37:05,918 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 22:37:05,919 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 22:37:05,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 22:37:05,919 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 22:37:05,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 22:37:05,920 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 22:37:05,920 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 22:37:05,920 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 22:37:05,920 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 22:37:06,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 22:37:06,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 22:37:06,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 22:37:06,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 22:37:06,171 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 22:37:06,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2024-07-22 22:37:07,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 22:37:07,652 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 22:37:07,653 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2024-07-22 22:37:07,666 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3e1fdd13e/557dc536b7b94480980950cd73078790/FLAG9b712ccc9 [2024-07-22 22:37:07,676 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3e1fdd13e/557dc536b7b94480980950cd73078790 [2024-07-22 22:37:07,678 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 22:37:07,678 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 22:37:07,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/queue_longer.yml/witness.yml [2024-07-22 22:37:07,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 22:37:07,760 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 22:37:07,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 22:37:07,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 22:37:07,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 22:37:07,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:37:07" (1/2) ... [2024-07-22 22:37:07,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42938cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:37:07, skipping insertion in model container [2024-07-22 22:37:07,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:37:07" (1/2) ... [2024-07-22 22:37:07,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@272fd917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:37:07, skipping insertion in model container [2024-07-22 22:37:07,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:37:07" (2/2) ... [2024-07-22 22:37:07,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42938cf1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:37:07, skipping insertion in model container [2024-07-22 22:37:07,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:37:07" (2/2) ... [2024-07-22 22:37:07,772 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 22:37:07,806 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 22:37:07,807 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)) [2024-07-22 22:37:07,807 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)) [2024-07-22 22:37:07,807 INFO L103 edCorrectnessWitness]: ghost_variable m_locked = 0 [2024-07-22 22:37:07,807 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 22:37:07,808 INFO L106 edCorrectnessWitness]: ghost_update [L1017-L1017] m_locked = 0; [2024-07-22 22:37:07,808 INFO L106 edCorrectnessWitness]: ghost_update [L1008-L1008] m_locked = 1; [2024-07-22 22:37:07,808 INFO L106 edCorrectnessWitness]: ghost_update [L1039-L1039] m_locked = 1; [2024-07-22 22:37:07,808 INFO L106 edCorrectnessWitness]: ghost_update [L1048-L1048] m_locked = 0; [2024-07-22 22:37:07,809 INFO L106 edCorrectnessWitness]: ghost_update [L1029-L1029] m_locked = 0; [2024-07-22 22:37:07,809 INFO L106 edCorrectnessWitness]: ghost_update [L1020-L1020] m_locked = 1; [2024-07-22 22:37:07,809 INFO L106 edCorrectnessWitness]: ghost_update [L1062-L1062] multithreaded = 1; [2024-07-22 22:37:07,845 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 22:37:08,189 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:37:08,197 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 22:37:08,732 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:37:08,787 INFO L206 MainTranslator]: Completed translation [2024-07-22 22:37:08,787 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:37:08 WrapperNode [2024-07-22 22:37:08,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 22:37:08,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 22:37:08,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 22:37:08,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 22:37:08,794 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 10:37:08" (1/1) ... [2024-07-22 22:37:08,906 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 10:37:08" (1/1) ... [2024-07-22 22:37:09,258 INFO L138 Inliner]: procedures = 274, calls = 6504, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 26035 [2024-07-22 22:37:09,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 22:37:09,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 22:37:09,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 22:37:09,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 22:37:09,267 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 10:37:08" (1/1) ... [2024-07-22 22:37:09,268 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 10:37:08" (1/1) ... [2024-07-22 22:37:09,352 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 10:37:08" (1/1) ... [2024-07-22 22:37:09,352 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 10:37:08" (1/1) ... [2024-07-22 22:37:09,770 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 10:37:08" (1/1) ... [2024-07-22 22:37:09,809 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 10:37:08" (1/1) ... [2024-07-22 22:37:09,849 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 10:37:08" (1/1) ... [2024-07-22 22:37:09,876 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 10:37:08" (1/1) ... [2024-07-22 22:37:09,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 22:37:09,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 22:37:09,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 22:37:09,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 22:37:09,945 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 10:37:08" (1/1) ... [2024-07-22 22:37:09,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:37:10,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:37:10,070 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 22:37:10,119 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 22:37:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-07-22 22:37:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-07-22 22:37:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-07-22 22:37:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-07-22 22:37:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-22 22:37:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-22 22:37:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-22 22:37:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-22 22:37:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 22:37:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 22:37:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 22:37:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 22:37:10,178 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 22:37:11,176 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 22:37:11,178 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 22:37:21,296 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 22:37:21,297 INFO L293 CfgBuilder]: Performing block encoding