./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/25_stack.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-local/25_stack.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee 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-ext/25_stack.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/25_stack.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-c091e2e-m [2024-08-14 00:45:36,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 00:45:36,476 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 00:45:36,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 00:45:36,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 00:45:36,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 00:45:36,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 00:45:36,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 00:45:36,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 00:45:36,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 00:45:36,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 00:45:36,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 00:45:36,506 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 00:45:36,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 00:45:36,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 00:45:36,509 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 00:45:36,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 00:45:36,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 00:45:36,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 00:45:36,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 00:45:36,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 00:45:36,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 00:45:36,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 00:45:36,510 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 00:45:36,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 00:45:36,511 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 00:45:36,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 00:45:36,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 00:45:36,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 00:45:36,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 00:45:36,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 00:45:36,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 00:45:36,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 00:45:36,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 00:45:36,513 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 00:45:36,513 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 00:45:36,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 00:45:36,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 00:45:36,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 00:45:36,514 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 00:45:36,514 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 00:45:36,514 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 00:45:36,515 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-14 00:45:36,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 00:45:36,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 00:45:36,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 00:45:36,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 00:45:36,726 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 00:45:36,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/25_stack.i [2024-08-14 00:45:37,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 00:45:38,206 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 00:45:38,206 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/25_stack.i [2024-08-14 00:45:38,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0a30fec72/ddd06f1199484fd4872f74c0fd47d9df/FLAGb1f2fdbc3 [2024-08-14 00:45:38,235 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0a30fec72/ddd06f1199484fd4872f74c0fd47d9df [2024-08-14 00:45:38,237 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 00:45:38,238 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 00:45:38,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/25_stack.yml/witness.yml [2024-08-14 00:45:38,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 00:45:38,292 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 00:45:38,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 00:45:38,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 00:45:38,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 00:45:38,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:45:38" (1/2) ... [2024-08-14 00:45:38,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e3ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:38, skipping insertion in model container [2024-08-14 00:45:38,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:45:38" (1/2) ... [2024-08-14 00:45:38,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2364676b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:38, skipping insertion in model container [2024-08-14 00:45:38,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 12:45:38" (2/2) ... [2024-08-14 00:45:38,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e3ef2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:38, skipping insertion in model container [2024-08-14 00:45:38,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 12:45:38" (2/2) ... [2024-08-14 00:45:38,301 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 00:45:38,324 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 00:45:38,325 INFO L97 edCorrectnessWitness]: Location invariant before [L738-L738] (m == 0 || m == 1) && (m2 == 0 || m2 == 1) [2024-08-14 00:45:38,355 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 00:45:38,617 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 00:45:38,627 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 00:45:38,707 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 00:45:38,741 INFO L206 MainTranslator]: Completed translation [2024-08-14 00:45:38,742 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:38 WrapperNode [2024-08-14 00:45:38,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 00:45:38,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 00:45:38,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 00:45:38,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 00:45:38,747 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 14.08 12:45:38" (1/1) ... [2024-08-14 00:45:38,757 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 14.08 12:45:38" (1/1) ... [2024-08-14 00:45:38,777 INFO L138 Inliner]: procedures = 178, calls = 38, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 189 [2024-08-14 00:45:38,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 00:45:38,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 00:45:38,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 00:45:38,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 00:45:38,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:38" (1/1) ... [2024-08-14 00:45:38,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:38" (1/1) ... [2024-08-14 00:45:38,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:38" (1/1) ... [2024-08-14 00:45:38,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:38" (1/1) ... [2024-08-14 00:45:38,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:38" (1/1) ... [2024-08-14 00:45:38,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:38" (1/1) ... [2024-08-14 00:45:38,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:38" (1/1) ... [2024-08-14 00:45:38,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:38" (1/1) ... [2024-08-14 00:45:38,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 00:45:38,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 00:45:38,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 00:45:38,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 00:45:38,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:38" (1/1) ... [2024-08-14 00:45:38,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 00:45:38,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:45:38,834 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) [2024-08-14 00:45:38,836 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 [2024-08-14 00:45:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-14 00:45:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-08-14 00:45:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-08-14 00:45:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-14 00:45:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 00:45:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 00:45:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 00:45:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 00:45:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 00:45:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 00:45:38,866 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 00:45:38,960 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 00:45:38,961 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 00:45:39,191 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 00:45:39,192 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 00:45:39,248 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations$UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo at de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) at de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo.merge(AtomicBlockInfo.java:61) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotationsFiltered(ModelUtils.java:165) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotations(ModelUtils.java:66) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeSequential(CfgBuilder.java:1879) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1743) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-08-14 00:45:39,254 INFO L158 Benchmark]: Toolchain (without parser) took 961.82ms. Allocated memory is still 165.7MB. Free memory was 100.7MB in the beginning and 83.2MB in the end (delta: 17.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-14 00:45:39,254 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 00:45:39,254 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 165.7MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 00:45:39,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.88ms. Allocated memory is still 165.7MB. Free memory was 100.7MB in the beginning and 116.1MB in the end (delta: -15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-08-14 00:45:39,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.32ms. Allocated memory is still 165.7MB. Free memory was 116.1MB in the beginning and 113.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 00:45:39,255 INFO L158 Benchmark]: Boogie Preprocessor took 22.71ms. Allocated memory is still 165.7MB. Free memory was 113.3MB in the beginning and 111.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 00:45:39,257 INFO L158 Benchmark]: RCFGBuilder took 451.76ms. Allocated memory is still 165.7MB. Free memory was 111.2MB in the beginning and 83.2MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-08-14 00:45:39,258 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 165.7MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.88ms. Allocated memory is still 165.7MB. Free memory was 100.7MB in the beginning and 116.1MB in the end (delta: -15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.32ms. Allocated memory is still 165.7MB. Free memory was 116.1MB in the beginning and 113.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.71ms. Allocated memory is still 165.7MB. Free memory was 113.3MB in the beginning and 111.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.76ms. Allocated memory is still 165.7MB. Free memory was 111.2MB in the beginning and 83.2MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-08-14 00:45:39,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-ext/25_stack.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/25_stack.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.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-c091e2e-m [2024-08-14 00:45:41,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 00:45:41,179 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-14 00:45:41,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 00:45:41,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 00:45:41,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 00:45:41,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 00:45:41,216 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 00:45:41,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 00:45:41,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 00:45:41,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 00:45:41,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 00:45:41,217 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 00:45:41,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 00:45:41,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 00:45:41,220 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 00:45:41,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 00:45:41,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 00:45:41,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 00:45:41,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 00:45:41,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 00:45:41,223 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 00:45:41,224 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 00:45:41,224 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 00:45:41,224 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 00:45:41,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 00:45:41,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 00:45:41,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 00:45:41,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 00:45:41,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 00:45:41,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 00:45:41,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 00:45:41,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 00:45:41,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 00:45:41,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 00:45:41,226 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 00:45:41,226 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 00:45:41,226 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 00:45:41,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 00:45:41,227 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 00:45:41,227 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 00:45:41,227 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 00:45:41,227 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 00:45:41,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 00:45:41,228 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-14 00:45:41,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 00:45:41,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 00:45:41,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 00:45:41,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 00:45:41,473 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 00:45:41,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/25_stack.i [2024-08-14 00:45:42,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 00:45:42,984 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 00:45:42,985 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/25_stack.i [2024-08-14 00:45:42,995 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/52703c56d/28f93aa9cc974899b6c77df746416c88/FLAGff8ea4cce [2024-08-14 00:45:43,334 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/52703c56d/28f93aa9cc974899b6c77df746416c88 [2024-08-14 00:45:43,335 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 00:45:43,336 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 00:45:43,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/25_stack.yml/witness.yml [2024-08-14 00:45:43,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 00:45:43,395 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 00:45:43,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 00:45:43,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 00:45:43,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 00:45:43,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:45:43" (1/2) ... [2024-08-14 00:45:43,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33eb72ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:43, skipping insertion in model container [2024-08-14 00:45:43,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:45:43" (1/2) ... [2024-08-14 00:45:43,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e8f25d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:43, skipping insertion in model container [2024-08-14 00:45:43,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 12:45:43" (2/2) ... [2024-08-14 00:45:43,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33eb72ac and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:43, skipping insertion in model container [2024-08-14 00:45:43,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 12:45:43" (2/2) ... [2024-08-14 00:45:43,405 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 00:45:43,419 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 00:45:43,420 INFO L97 edCorrectnessWitness]: Location invariant before [L738-L738] (m == 0 || m == 1) && (m2 == 0 || m2 == 1) [2024-08-14 00:45:43,458 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 00:45:43,747 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 00:45:43,761 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 00:45:43,833 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 00:45:43,866 INFO L206 MainTranslator]: Completed translation [2024-08-14 00:45:43,867 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:43 WrapperNode [2024-08-14 00:45:43,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 00:45:43,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 00:45:43,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 00:45:43,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 00:45:43,873 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 14.08 12:45:43" (1/1) ... [2024-08-14 00:45:43,887 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 14.08 12:45:43" (1/1) ... [2024-08-14 00:45:43,908 INFO L138 Inliner]: procedures = 182, calls = 38, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 186 [2024-08-14 00:45:43,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 00:45:43,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 00:45:43,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 00:45:43,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 00:45:43,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:43" (1/1) ... [2024-08-14 00:45:43,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:43" (1/1) ... [2024-08-14 00:45:43,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:43" (1/1) ... [2024-08-14 00:45:43,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:43" (1/1) ... [2024-08-14 00:45:43,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:43" (1/1) ... [2024-08-14 00:45:43,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:43" (1/1) ... [2024-08-14 00:45:43,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:43" (1/1) ... [2024-08-14 00:45:43,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:43" (1/1) ... [2024-08-14 00:45:43,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 00:45:43,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 00:45:43,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 00:45:43,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 00:45:43,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:43" (1/1) ... [2024-08-14 00:45:43,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 00:45:43,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:45:43,984 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) [2024-08-14 00:45:43,989 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 [2024-08-14 00:45:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-08-14 00:45:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-08-14 00:45:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-08-14 00:45:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 00:45:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 00:45:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-08-14 00:45:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-08-14 00:45:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-08-14 00:45:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 00:45:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 00:45:44,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 00:45:44,021 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 00:45:44,156 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 00:45:44,158 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 00:45:44,405 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 00:45:44,406 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 00:45:44,469 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations$UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo at de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) at de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo.merge(AtomicBlockInfo.java:61) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotationsFiltered(ModelUtils.java:165) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotations(ModelUtils.java:66) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeSequential(CfgBuilder.java:1879) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1743) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-08-14 00:45:44,473 INFO L158 Benchmark]: Toolchain (without parser) took 1077.53ms. Allocated memory is still 79.7MB. Free memory was 58.2MB in the beginning and 55.7MB in the end (delta: 2.5MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2024-08-14 00:45:44,474 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 62.9MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 00:45:44,474 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 79.7MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 00:45:44,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.31ms. Allocated memory is still 79.7MB. Free memory was 57.9MB in the beginning and 31.9MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-08-14 00:45:44,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.43ms. Allocated memory is still 79.7MB. Free memory was 31.9MB in the beginning and 29.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 00:45:44,475 INFO L158 Benchmark]: Boogie Preprocessor took 41.88ms. Allocated memory is still 79.7MB. Free memory was 29.2MB in the beginning and 57.9MB in the end (delta: -28.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-08-14 00:45:44,475 INFO L158 Benchmark]: RCFGBuilder took 520.56ms. Allocated memory is still 79.7MB. Free memory was 57.5MB in the beginning and 55.7MB in the end (delta: 1.8MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2024-08-14 00:45:44,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 62.9MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 79.7MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.31ms. Allocated memory is still 79.7MB. Free memory was 57.9MB in the beginning and 31.9MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.43ms. Allocated memory is still 79.7MB. Free memory was 31.9MB in the beginning and 29.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.88ms. Allocated memory is still 79.7MB. Free memory was 29.2MB in the beginning and 57.9MB in the end (delta: -28.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 520.56ms. Allocated memory is still 79.7MB. Free memory was 57.5MB in the beginning and 55.7MB in the end (delta: 1.8MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-08-14 00:45:44,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo