./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.2024-05-21_14-57-05.files/protection/queue_longest.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 76401ed0 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.2024-05-21_14-57-05.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-76401ed-m [2024-06-20 15:39:47,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-20 15:39:47,492 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-20 15:39:47,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-20 15:39:47,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-20 15:39:47,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-20 15:39:47,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-20 15:39:47,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-20 15:39:47,524 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-20 15:39:47,528 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-20 15:39:47,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-20 15:39:47,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-20 15:39:47,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-20 15:39:47,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-20 15:39:47,531 INFO L153 SettingsManager]: * Use SBE=true [2024-06-20 15:39:47,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-20 15:39:47,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-20 15:39:47,531 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-20 15:39:47,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-20 15:39:47,532 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-20 15:39:47,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-20 15:39:47,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-20 15:39:47,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-20 15:39:47,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-20 15:39:47,533 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-20 15:39:47,533 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-20 15:39:47,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-20 15:39:47,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-20 15:39:47,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-20 15:39:47,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-20 15:39:47,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-20 15:39:47,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-20 15:39:47,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 15:39:47,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-20 15:39:47,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-20 15:39:47,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-20 15:39:47,536 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-20 15:39:47,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-20 15:39:47,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-20 15:39:47,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-20 15:39:47,537 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-20 15:39:47,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-20 15:39:47,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-20 15:39:47,538 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-20 15:39:47,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-20 15:39:47,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-20 15:39:47,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-20 15:39:47,797 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-20 15:39:47,798 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-20 15:39:47,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/queue_longest.yml/witness.yml [2024-06-20 15:39:47,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-20 15:39:47,888 INFO L274 PluginConnector]: CDTParser initialized [2024-06-20 15:39:47,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2024-06-20 15:39:48,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-20 15:39:49,141 INFO L384 CDTParser]: Found 1 translation units. [2024-06-20 15:39:49,142 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2024-06-20 15:39:49,169 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcb7e4f39/7deb5dbbcf5245cebb0909e4e5b9ab12/FLAGe72ceaee0 [2024-06-20 15:39:49,179 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcb7e4f39/7deb5dbbcf5245cebb0909e4e5b9ab12 [2024-06-20 15:39:49,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-20 15:39:49,180 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-20 15:39:49,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-20 15:39:49,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-20 15:39:49,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-20 15:39:49,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 03:39:47" (1/2) ... [2024-06-20 15:39:49,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ae5ffd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:39:49, skipping insertion in model container [2024-06-20 15:39:49,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 03:39:47" (1/2) ... [2024-06-20 15:39:49,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65574f2a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:39:49, skipping insertion in model container [2024-06-20 15:39:49,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 03:39:49" (2/2) ... [2024-06-20 15:39:49,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ae5ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:49, skipping insertion in model container [2024-06-20 15:39:49,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 03:39:49" (2/2) ... [2024-06-20 15:39:49,188 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-20 15:39:49,228 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-20 15:39:49,229 INFO L97 edCorrectnessWitness]: Location invariant before [L1064-L1064] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800) [2024-06-20 15:39:49,230 INFO L97 edCorrectnessWitness]: Location invariant before [L1063-L1063] ! multithreaded || (((0 <= queue.head && 0 <= queue.tail) && queue.head <= 800) && queue.tail <= 800) [2024-06-20 15:39:49,230 INFO L103 edCorrectnessWitness]: ghost_variable m_locked = 0 [2024-06-20 15:39:49,230 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-20 15:39:49,230 INFO L106 edCorrectnessWitness]: ghost_update [L1039-L1039] m_locked = 1; [2024-06-20 15:39:49,230 INFO L106 edCorrectnessWitness]: ghost_update [L1029-L1029] m_locked = 0; [2024-06-20 15:39:49,230 INFO L106 edCorrectnessWitness]: ghost_update [L1048-L1048] m_locked = 0; [2024-06-20 15:39:49,230 INFO L106 edCorrectnessWitness]: ghost_update [L1008-L1008] m_locked = 1; [2024-06-20 15:39:49,231 INFO L106 edCorrectnessWitness]: ghost_update [L1020-L1020] m_locked = 1; [2024-06-20 15:39:49,231 INFO L106 edCorrectnessWitness]: ghost_update [L1062-L1062] multithreaded = 1; [2024-06-20 15:39:49,231 INFO L106 edCorrectnessWitness]: ghost_update [L1017-L1017] m_locked = 0; [2024-06-20 15:39:49,270 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-20 15:39:49,592 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 15:39:49,609 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 [2024-06-20 15:39:50,360 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 15:39:50,416 INFO L206 MainTranslator]: Completed translation [2024-06-20 15:39:50,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:50 WrapperNode [2024-06-20 15:39:50,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-20 15:39:50,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-20 15:39:50,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-20 15:39:50,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-20 15:39:50,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:50" (1/1) ... [2024-06-20 15:39:50,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:50" (1/1) ... [2024-06-20 15:39:50,886 INFO L138 Inliner]: procedures = 274, calls = 6480, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 25947 [2024-06-20 15:39:50,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-20 15:39:50,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-20 15:39:50,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-20 15:39:50,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-20 15:39:50,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:50" (1/1) ... [2024-06-20 15:39:50,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:50" (1/1) ... [2024-06-20 15:39:50,982 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:50" (1/1) ... [2024-06-20 15:39:51,079 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]. [2024-06-20 15:39:51,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:50" (1/1) ... [2024-06-20 15:39:51,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:50" (1/1) ... [2024-06-20 15:39:51,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:50" (1/1) ... [2024-06-20 15:39:51,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:50" (1/1) ... [2024-06-20 15:39:51,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:50" (1/1) ... [2024-06-20 15:39:51,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:50" (1/1) ... [2024-06-20 15:39:51,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-20 15:39:51,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-20 15:39:51,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-20 15:39:51,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-20 15:39:51,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:39:50" (1/1) ... [2024-06-20 15:39:51,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 15:39:51,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 15:39:51,647 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) [2024-06-20 15:39:51,663 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 [2024-06-20 15:39:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-06-20 15:39:51,674 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-06-20 15:39:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-06-20 15:39:51,675 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-06-20 15:39:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-20 15:39:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-20 15:39:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-20 15:39:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-06-20 15:39:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-06-20 15:39:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-20 15:39:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-20 15:39:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-06-20 15:39:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-06-20 15:39:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-20 15:39:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-20 15:39:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-20 15:39:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-20 15:39:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-20 15:39:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-06-20 15:39:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-20 15:39:51,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-20 15:39:51,682 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-20 15:39:52,472 INFO L244 CfgBuilder]: Building ICFG [2024-06-20 15:39:52,474 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-20 15:40:02,365 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-20 15:40:02,365 INFO L293 CfgBuilder]: Performing block encoding