./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/protection/queue_longest.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/queue_longest.i ./goblint.2024-06-19_11-23-25.files/protection/queue_longest.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_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-7724a2d-m [2024-06-27 19:44:10,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 19:44:10,763 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 19:44:10,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 19:44:10,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 19:44:10,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 19:44:10,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 19:44:10,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 19:44:10,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 19:44:10,814 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 19:44:10,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 19:44:10,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 19:44:10,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 19:44:10,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 19:44:10,818 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 19:44:10,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 19:44:10,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 19:44:10,819 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 19:44:10,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 19:44:10,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 19:44:10,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 19:44:10,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 19:44:10,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 19:44:10,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 19:44:10,822 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 19:44:10,822 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 19:44:10,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 19:44:10,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 19:44:10,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 19:44:10,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 19:44:10,824 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 19:44:10,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 19:44:10,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:44:10,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 19:44:10,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 19:44:10,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 19:44:10,825 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 19:44:10,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 19:44:10,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 19:44:10,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 19:44:10,826 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 19:44:10,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 19:44:10,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 19:44:10,827 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-27 19:44:11,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 19:44:11,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 19:44:11,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 19:44:11,080 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 19:44:11,081 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 19:44:11,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/protection/queue_longest.yml/witness.yml [2024-06-27 19:44:11,214 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 19:44:11,214 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 19:44:11,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2024-06-27 19:44:12,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 19:44:12,560 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 19:44:12,561 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2024-06-27 19:44:12,578 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6d7fd7a/0ebd0aee024146ce8966dd343cd70b37/FLAGa7759ab5b [2024-06-27 19:44:12,590 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6d7fd7a/0ebd0aee024146ce8966dd343cd70b37 [2024-06-27 19:44:12,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 19:44:12,592 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 19:44:12,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 19:44:12,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 19:44:12,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 19:44:12,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:44:11" (1/2) ... [2024-06-27 19:44:12,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f8f508 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:44:12, skipping insertion in model container [2024-06-27 19:44:12,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:44:11" (1/2) ... [2024-06-27 19:44:12,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d890fa9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:44:12, skipping insertion in model container [2024-06-27 19:44:12,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:44:12" (2/2) ... [2024-06-27 19:44:12,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f8f508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:12, skipping insertion in model container [2024-06-27 19:44:12,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:44:12" (2/2) ... [2024-06-27 19:44:12,601 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 19:44:12,638 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 19:44:12,640 INFO L97 edCorrectnessWitness]: Location invariant before [L1063-L1063] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800) [2024-06-27 19:44:12,640 INFO L97 edCorrectnessWitness]: Location invariant before [L1064-L1064] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800) [2024-06-27 19:44:12,640 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 19:44:12,640 INFO L103 edCorrectnessWitness]: ghost_variable m_locked = 0 [2024-06-27 19:44:12,640 INFO L106 edCorrectnessWitness]: ghost_update [L1062-L1062] multithreaded = 1; [2024-06-27 19:44:12,640 INFO L106 edCorrectnessWitness]: ghost_update [L1039-L1039] m_locked = 1; [2024-06-27 19:44:12,641 INFO L106 edCorrectnessWitness]: ghost_update [L1020-L1020] m_locked = 1; [2024-06-27 19:44:12,641 INFO L106 edCorrectnessWitness]: ghost_update [L1008-L1008] m_locked = 1; [2024-06-27 19:44:12,641 INFO L106 edCorrectnessWitness]: ghost_update [L1029-L1029] m_locked = 0; [2024-06-27 19:44:12,641 INFO L106 edCorrectnessWitness]: ghost_update [L1017-L1017] m_locked = 0; [2024-06-27 19:44:12,641 INFO L106 edCorrectnessWitness]: ghost_update [L1048-L1048] m_locked = 0; [2024-06-27 19:44:12,703 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 19:44:13,144 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:44:13,160 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 [2024-06-27 19:44:14,155 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:44:14,226 INFO L206 MainTranslator]: Completed translation [2024-06-27 19:44:14,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:14 WrapperNode [2024-06-27 19:44:14,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 19:44:14,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 19:44:14,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 19:44:14,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 19:44:14,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:14" (1/1) ... [2024-06-27 19:44:14,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:14" (1/1) ... [2024-06-27 19:44:14,839 INFO L138 Inliner]: procedures = 274, calls = 6480, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 25947 [2024-06-27 19:44:14,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 19:44:14,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 19:44:14,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 19:44:14,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 19:44:14,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:14" (1/1) ... [2024-06-27 19:44:14,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:14" (1/1) ... [2024-06-27 19:44:15,106 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:14" (1/1) ... [2024-06-27 19:44:15,261 INFO L175 MemorySlicer]: Split 6467 memory accesses to 4 slices as follows [2, 5, 4, 6456]. 100 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0]. The 18 writes are split as follows [0, 0, 3, 15]. [2024-06-27 19:44:15,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:14" (1/1) ... [2024-06-27 19:44:15,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:14" (1/1) ... [2024-06-27 19:44:15,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:14" (1/1) ... [2024-06-27 19:44:15,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:14" (1/1) ... [2024-06-27 19:44:15,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:14" (1/1) ... [2024-06-27 19:44:15,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:14" (1/1) ... [2024-06-27 19:44:15,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 19:44:15,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 19:44:15,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 19:44:15,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 19:44:15,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:44:14" (1/1) ... [2024-06-27 19:44:15,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:44:15,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 19:44:15,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-27 19:44:15,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-27 19:44:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-06-27 19:44:16,021 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-06-27 19:44:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-06-27 19:44:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-06-27 19:44:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-27 19:44:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-27 19:44:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-27 19:44:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-06-27 19:44:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-06-27 19:44:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-27 19:44:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-27 19:44:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-06-27 19:44:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-06-27 19:44:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-27 19:44:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 19:44:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 19:44:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-27 19:44:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-27 19:44:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-06-27 19:44:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 19:44:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 19:44:16,031 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 19:44:17,045 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 19:44:17,047 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 19:44:29,427 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 19:44:29,427 INFO L293 CfgBuilder]: Performing block encoding