./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/GemCutterMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-13 07:41:26,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 07:41:26,823 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-13 07:41:26,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 07:41:26,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 07:41:26,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 07:41:26,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 07:41:26,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 07:41:26,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 07:41:26,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 07:41:26,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 07:41:26,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 07:41:26,867 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 07:41:26,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 07:41:26,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 07:41:26,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 07:41:26,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 07:41:26,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 07:41:26,869 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 07:41:26,869 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 07:41:26,869 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 07:41:26,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 07:41:26,874 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 07:41:26,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 07:41:26,874 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 07:41:26,874 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 07:41:26,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 07:41:26,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 07:41:26,875 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 07:41:26,875 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 07:41:26,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 07:41:26,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 07:41:26,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 07:41:26,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 07:41:26,877 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 07:41:26,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 07:41:26,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 07:41:26,880 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-13 07:41:26,880 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 07:41:26,881 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 07:41:26,881 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 07:41:26,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2024-11-13 07:41:27,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 07:41:27,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 07:41:27,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 07:41:27,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 07:41:27,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 07:41:27,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-13 07:41:28,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 07:41:28,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 07:41:28,961 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-13 07:41:28,976 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2d29ac1c0/35c0df13a3294e6fb97f0a51a4353c7f/FLAGea5767cca [2024-11-13 07:41:28,988 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2d29ac1c0/35c0df13a3294e6fb97f0a51a4353c7f [2024-11-13 07:41:28,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 07:41:28,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 07:41:28,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 07:41:28,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 07:41:29,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 07:41:29,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:41:28" (1/1) ... [2024-11-13 07:41:29,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651039e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:29, skipping insertion in model container [2024-11-13 07:41:29,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:41:28" (1/1) ... [2024-11-13 07:41:29,051 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 07:41:29,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 07:41:29,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 07:41:29,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 07:41:29,493 INFO L204 MainTranslator]: Completed translation [2024-11-13 07:41:29,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:29 WrapperNode [2024-11-13 07:41:29,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 07:41:29,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 07:41:29,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 07:41:29,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 07:41:29,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:29" (1/1) ... [2024-11-13 07:41:29,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:29" (1/1) ... [2024-11-13 07:41:29,540 INFO L138 Inliner]: procedures = 172, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 106 [2024-11-13 07:41:29,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 07:41:29,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 07:41:29,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 07:41:29,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 07:41:29,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:29" (1/1) ... [2024-11-13 07:41:29,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:29" (1/1) ... [2024-11-13 07:41:29,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:29" (1/1) ... [2024-11-13 07:41:29,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:29" (1/1) ... [2024-11-13 07:41:29,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:29" (1/1) ... [2024-11-13 07:41:29,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:29" (1/1) ... [2024-11-13 07:41:29,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:29" (1/1) ... [2024-11-13 07:41:29,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:29" (1/1) ... [2024-11-13 07:41:29,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 07:41:29,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 07:41:29,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 07:41:29,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 07:41:29,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:29" (1/1) ... [2024-11-13 07:41:29,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 07:41:29,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 07:41:29,611 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) [2024-11-13 07:41:29,616 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 [2024-11-13 07:41:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 07:41:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-13 07:41:29,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-13 07:41:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 07:41:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 07:41:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 07:41:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 07:41:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 07:41:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 07:41:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 07:41:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 07:41:29,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 07:41:29,656 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 07:41:29,766 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 07:41:29,768 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 07:41:30,012 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 07:41:30,012 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 07:41:30,195 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2024-11-13 07:41:30,201 INFO L158 Benchmark]: Toolchain (without parser) took 1206.77ms. Allocated memory is still 178.3MB. Free memory was 121.5MB in the beginning and 63.2MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 07:41:30,202 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 178.3MB. Free memory is still 143.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 07:41:30,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.26ms. Allocated memory is still 178.3MB. Free memory was 121.5MB in the beginning and 98.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-13 07:41:30,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.90ms. Allocated memory is still 178.3MB. Free memory was 98.4MB in the beginning and 95.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-13 07:41:30,205 INFO L158 Benchmark]: Boogie Preprocessor took 35.75ms. Allocated memory is still 178.3MB. Free memory was 95.9MB in the beginning and 94.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 07:41:30,205 INFO L158 Benchmark]: RCFGBuilder took 621.18ms. Allocated memory is still 178.3MB. Free memory was 94.2MB in the beginning and 63.2MB in the end (delta: 31.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-13 07:41:30,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 178.3MB. Free memory is still 143.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.26ms. Allocated memory is still 178.3MB. Free memory was 121.5MB in the beginning and 98.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.90ms. Allocated memory is still 178.3MB. Free memory was 98.4MB in the beginning and 95.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.75ms. Allocated memory is still 178.3MB. Free memory was 95.9MB in the beginning and 94.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 621.18ms. Allocated memory is still 178.3MB. Free memory was 94.2MB in the beginning and 63.2MB in the end (delta: 31.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 07:41:30,239 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/GemCutterMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-13 07:41:32,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 07:41:32,577 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2024-11-13 07:41:32,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 07:41:32,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 07:41:32,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 07:41:32,615 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 07:41:32,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 07:41:32,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 07:41:32,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 07:41:32,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 07:41:32,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 07:41:32,617 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 07:41:32,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 07:41:32,621 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 07:41:32,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 07:41:32,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 07:41:32,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 07:41:32,623 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 07:41:32,623 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 07:41:32,627 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 07:41:32,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 07:41:32,628 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 07:41:32,628 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 07:41:32,628 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 07:41:32,629 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 07:41:32,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 07:41:32,629 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 07:41:32,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 07:41:32,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 07:41:32,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 07:41:32,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 07:41:32,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 07:41:32,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 07:41:32,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 07:41:32,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 07:41:32,633 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-13 07:41:32,634 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 07:41:32,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 07:41:32,634 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-13 07:41:32,634 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 07:41:32,635 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 07:41:32,635 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 07:41:32,635 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2024-11-13 07:41:32,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 07:41:32,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 07:41:32,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 07:41:32,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 07:41:32,991 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 07:41:32,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-13 07:41:34,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 07:41:34,753 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 07:41:34,754 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-13 07:41:34,776 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/03c06fa9c/3c4c5b8e79154dc78b12a258849153e3/FLAG832942a47 [2024-11-13 07:41:35,060 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/03c06fa9c/3c4c5b8e79154dc78b12a258849153e3 [2024-11-13 07:41:35,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 07:41:35,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 07:41:35,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 07:41:35,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 07:41:35,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 07:41:35,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:41:35" (1/1) ... [2024-11-13 07:41:35,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a9f268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:35, skipping insertion in model container [2024-11-13 07:41:35,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:41:35" (1/1) ... [2024-11-13 07:41:35,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 07:41:35,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 07:41:35,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 07:41:35,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 07:41:35,608 INFO L204 MainTranslator]: Completed translation [2024-11-13 07:41:35,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:35 WrapperNode [2024-11-13 07:41:35,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 07:41:35,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 07:41:35,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 07:41:35,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 07:41:35,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:35" (1/1) ... [2024-11-13 07:41:35,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:35" (1/1) ... [2024-11-13 07:41:35,667 INFO L138 Inliner]: procedures = 175, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 106 [2024-11-13 07:41:35,668 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 07:41:35,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 07:41:35,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 07:41:35,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 07:41:35,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:35" (1/1) ... [2024-11-13 07:41:35,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:35" (1/1) ... [2024-11-13 07:41:35,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:35" (1/1) ... [2024-11-13 07:41:35,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:35" (1/1) ... [2024-11-13 07:41:35,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:35" (1/1) ... [2024-11-13 07:41:35,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:35" (1/1) ... [2024-11-13 07:41:35,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:35" (1/1) ... [2024-11-13 07:41:35,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:35" (1/1) ... [2024-11-13 07:41:35,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 07:41:35,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 07:41:35,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 07:41:35,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 07:41:35,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:41:35" (1/1) ... [2024-11-13 07:41:35,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 07:41:35,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 07:41:35,756 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) [2024-11-13 07:41:35,759 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 [2024-11-13 07:41:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 07:41:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-13 07:41:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-13 07:41:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 07:41:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 07:41:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 07:41:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 07:41:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 07:41:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 07:41:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 07:41:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 07:41:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 07:41:35,807 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 07:41:35,971 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 07:41:35,973 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 07:41:36,283 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 07:41:36,283 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 07:41:36,485 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2024-11-13 07:41:36,491 INFO L158 Benchmark]: Toolchain (without parser) took 1426.74ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 38.7MB in the beginning and 43.4MB in the end (delta: -4.7MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-11-13 07:41:36,491 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 46.1MB. Free memory was 27.1MB in the beginning and 27.0MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 07:41:36,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.71ms. Allocated memory is still 65.0MB. Free memory was 38.5MB in the beginning and 33.5MB in the end (delta: 5.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-13 07:41:36,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.45ms. Allocated memory is still 65.0MB. Free memory was 33.5MB in the beginning and 31.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-13 07:41:36,494 INFO L158 Benchmark]: Boogie Preprocessor took 45.82ms. Allocated memory is still 65.0MB. Free memory was 31.1MB in the beginning and 29.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-13 07:41:36,494 INFO L158 Benchmark]: RCFGBuilder took 773.97ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 29.3MB in the beginning and 43.4MB in the end (delta: -14.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-13 07:41:36,497 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 46.1MB. Free memory was 27.1MB in the beginning and 27.0MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.71ms. Allocated memory is still 65.0MB. Free memory was 38.5MB in the beginning and 33.5MB in the end (delta: 5.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.45ms. Allocated memory is still 65.0MB. Free memory was 33.5MB in the beginning and 31.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.82ms. Allocated memory is still 65.0MB. Free memory was 31.1MB in the beginning and 29.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 773.97ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 29.3MB in the beginning and 43.4MB in the end (delta: -14.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 07:41:36,532 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: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?