./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 9a849f68 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/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-dev-9a849f6-m [2024-10-26 07:26:27,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-26 07:26:27,216 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-10-26 07:26:27,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-26 07:26:27,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-26 07:26:27,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-26 07:26:27,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-26 07:26:27,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-26 07:26:27,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-26 07:26:27,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-26 07:26:27,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-26 07:26:27,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-26 07:26:27,244 INFO L153 SettingsManager]: * Use SBE=true [2024-10-26 07:26:27,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-26 07:26:27,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-26 07:26:27,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-26 07:26:27,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-26 07:26:27,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-26 07:26:27,246 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-26 07:26:27,247 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-26 07:26:27,247 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-26 07:26:27,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-26 07:26:27,248 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-26 07:26:27,248 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-26 07:26:27,248 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-26 07:26:27,249 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-26 07:26:27,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-26 07:26:27,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-26 07:26:27,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-26 07:26:27,250 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-26 07:26:27,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-26 07:26:27,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 07:26:27,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-26 07:26:27,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-26 07:26:27,252 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-26 07:26:27,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-26 07:26:27,253 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-26 07:26:27,253 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-26 07:26:27,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-26 07:26:27,253 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-26 07:26:27,254 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-26 07:26:27,255 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2024-10-26 07:26:27,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-26 07:26:27,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-26 07:26:27,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-26 07:26:27,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-26 07:26:27,571 INFO L274 PluginConnector]: CDTParser initialized [2024-10-26 07:26:27,572 INFO L431 ainManager$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 [2024-10-26 07:26:29,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-26 07:26:29,354 INFO L384 CDTParser]: Found 1 translation units. [2024-10-26 07:26:29,355 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-10-26 07:26:29,369 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c5aaa5f91/0ad55aa6a4ad4f50a9a938fb0a54ba4b/FLAG1f54c075b [2024-10-26 07:26:29,692 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c5aaa5f91/0ad55aa6a4ad4f50a9a938fb0a54ba4b [2024-10-26 07:26:29,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-26 07:26:29,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-26 07:26:29,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-26 07:26:29,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-26 07:26:29,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-26 07:26:29,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:26:29" (1/1) ... [2024-10-26 07:26:29,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3600a1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:29, skipping insertion in model container [2024-10-26 07:26:29,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:26:29" (1/1) ... [2024-10-26 07:26:29,761 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-26 07:26:30,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 07:26:30,178 INFO L200 MainTranslator]: Completed pre-run [2024-10-26 07:26:30,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 07:26:30,286 INFO L204 MainTranslator]: Completed translation [2024-10-26 07:26:30,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:30 WrapperNode [2024-10-26 07:26:30,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-26 07:26:30,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-26 07:26:30,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-26 07:26:30,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-26 07:26:30,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:30" (1/1) ... [2024-10-26 07:26:30,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:30" (1/1) ... [2024-10-26 07:26:30,340 INFO L138 Inliner]: procedures = 172, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 106 [2024-10-26 07:26:30,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-26 07:26:30,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-26 07:26:30,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-26 07:26:30,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-26 07:26:30,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:30" (1/1) ... [2024-10-26 07:26:30,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:30" (1/1) ... [2024-10-26 07:26:30,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:30" (1/1) ... [2024-10-26 07:26:30,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:30" (1/1) ... [2024-10-26 07:26:30,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:30" (1/1) ... [2024-10-26 07:26:30,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:30" (1/1) ... [2024-10-26 07:26:30,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:30" (1/1) ... [2024-10-26 07:26:30,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:30" (1/1) ... [2024-10-26 07:26:30,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-26 07:26:30,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-26 07:26:30,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-26 07:26:30,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-26 07:26:30,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:30" (1/1) ... [2024-10-26 07:26:30,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 07:26:30,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 07:26:30,425 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) [2024-10-26 07:26:30,429 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 [2024-10-26 07:26:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-26 07:26:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-26 07:26:30,476 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-26 07:26:30,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-26 07:26:30,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-26 07:26:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-26 07:26:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-26 07:26:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-26 07:26:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-26 07:26:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-26 07:26:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-26 07:26:30,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-26 07:26:30,480 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-26 07:26:30,599 INFO L238 CfgBuilder]: Building ICFG [2024-10-26 07:26:30,602 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-26 07:26:30,798 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-26 07:26:30,798 INFO L287 CfgBuilder]: Performing block encoding [2024-10-26 07:26:30,965 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: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) [2024-10-26 07:26:30,973 INFO L158 Benchmark]: Toolchain (without parser) took 1270.89ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 64.5MB in the beginning and 96.5MB in the end (delta: -32.0MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-10-26 07:26:30,973 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-26 07:26:30,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.13ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 64.4MB in the beginning and 132.1MB in the end (delta: -67.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-26 07:26:30,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.24ms. Allocated memory is still 174.1MB. Free memory was 132.1MB in the beginning and 130.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-26 07:26:30,975 INFO L158 Benchmark]: Boogie Preprocessor took 38.24ms. Allocated memory is still 174.1MB. Free memory was 130.0MB in the beginning and 127.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-26 07:26:30,975 INFO L158 Benchmark]: RCFGBuilder took 588.75ms. Allocated memory is still 174.1MB. Free memory was 127.9MB in the beginning and 96.5MB in the end (delta: 31.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-10-26 07:26:30,979 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 136.3MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.13ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 64.4MB in the beginning and 132.1MB in the end (delta: -67.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.24ms. Allocated memory is still 174.1MB. Free memory was 132.1MB in the beginning and 130.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.24ms. Allocated memory is still 174.1MB. Free memory was 130.0MB in the beginning and 127.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.75ms. Allocated memory is still 174.1MB. Free memory was 127.9MB in the beginning and 96.5MB in the end (delta: 31.5MB). Peak memory consumption was 33.6MB. 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. [2024-10-26 07:26:31,012 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/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/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-dev-9a849f6-m [2024-10-26 07:26:33,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-26 07:26:33,384 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2024-10-26 07:26:33,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-26 07:26:33,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-26 07:26:33,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-26 07:26:33,431 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-26 07:26:33,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-26 07:26:33,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-26 07:26:33,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-26 07:26:33,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-26 07:26:33,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-26 07:26:33,434 INFO L153 SettingsManager]: * Use SBE=true [2024-10-26 07:26:33,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-26 07:26:33,435 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-26 07:26:33,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-26 07:26:33,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-26 07:26:33,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-26 07:26:33,438 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-26 07:26:33,438 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-26 07:26:33,439 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-26 07:26:33,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-26 07:26:33,442 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-26 07:26:33,442 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-26 07:26:33,442 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-26 07:26:33,443 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-26 07:26:33,443 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-26 07:26:33,443 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-26 07:26:33,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-26 07:26:33,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-26 07:26:33,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-26 07:26:33,444 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-26 07:26:33,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-26 07:26:33,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 07:26:33,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-26 07:26:33,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-26 07:26:33,449 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-26 07:26:33,449 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-26 07:26:33,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-26 07:26:33,450 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-26 07:26:33,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-26 07:26:33,451 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-26 07:26:33,451 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-26 07:26:33,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-26 07:26:33,452 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2024-10-26 07:26:33,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-26 07:26:33,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-26 07:26:33,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-26 07:26:33,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-26 07:26:33,844 INFO L274 PluginConnector]: CDTParser initialized [2024-10-26 07:26:33,845 INFO L431 ainManager$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 [2024-10-26 07:26:35,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-26 07:26:35,680 INFO L384 CDTParser]: Found 1 translation units. [2024-10-26 07:26:35,681 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-10-26 07:26:35,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e12442fd1/04230c694c8a411cbff604c7f370b305/FLAGb593cb300 [2024-10-26 07:26:35,710 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e12442fd1/04230c694c8a411cbff604c7f370b305 [2024-10-26 07:26:35,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-26 07:26:35,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-26 07:26:35,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-26 07:26:35,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-26 07:26:35,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-26 07:26:35,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:26:35" (1/1) ... [2024-10-26 07:26:35,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6396db87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:35, skipping insertion in model container [2024-10-26 07:26:35,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:26:35" (1/1) ... [2024-10-26 07:26:35,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-26 07:26:36,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 07:26:36,180 INFO L200 MainTranslator]: Completed pre-run [2024-10-26 07:26:36,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 07:26:36,284 INFO L204 MainTranslator]: Completed translation [2024-10-26 07:26:36,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:36 WrapperNode [2024-10-26 07:26:36,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-26 07:26:36,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-26 07:26:36,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-26 07:26:36,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-26 07:26:36,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:36" (1/1) ... [2024-10-26 07:26:36,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:36" (1/1) ... [2024-10-26 07:26:36,352 INFO L138 Inliner]: procedures = 175, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 106 [2024-10-26 07:26:36,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-26 07:26:36,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-26 07:26:36,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-26 07:26:36,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-26 07:26:36,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:36" (1/1) ... [2024-10-26 07:26:36,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:36" (1/1) ... [2024-10-26 07:26:36,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:36" (1/1) ... [2024-10-26 07:26:36,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:36" (1/1) ... [2024-10-26 07:26:36,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:36" (1/1) ... [2024-10-26 07:26:36,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:36" (1/1) ... [2024-10-26 07:26:36,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:36" (1/1) ... [2024-10-26 07:26:36,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:36" (1/1) ... [2024-10-26 07:26:36,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-26 07:26:36,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-26 07:26:36,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-26 07:26:36,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-26 07:26:36,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:36" (1/1) ... [2024-10-26 07:26:36,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 07:26:36,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 07:26:36,449 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) [2024-10-26 07:26:36,454 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 [2024-10-26 07:26:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-10-26 07:26:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-26 07:26:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-26 07:26:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-26 07:26:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-26 07:26:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-26 07:26:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-26 07:26:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-10-26 07:26:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-26 07:26:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-26 07:26:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-26 07:26:36,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-26 07:26:36,510 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-26 07:26:36,681 INFO L238 CfgBuilder]: Building ICFG [2024-10-26 07:26:36,684 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-26 07:26:36,945 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-26 07:26:36,946 INFO L287 CfgBuilder]: Performing block encoding [2024-10-26 07:26:37,185 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: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) [2024-10-26 07:26:37,191 INFO L158 Benchmark]: Toolchain (without parser) took 1476.99ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 27.8MB in the beginning and 49.3MB in the end (delta: -21.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-10-26 07:26:37,192 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-26 07:26:37,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.59ms. Allocated memory is still 60.8MB. Free memory was 27.6MB in the beginning and 20.3MB in the end (delta: 7.3MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-10-26 07:26:37,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.42ms. Allocated memory is still 60.8MB. Free memory was 20.3MB in the beginning and 39.6MB in the end (delta: -19.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-26 07:26:37,193 INFO L158 Benchmark]: Boogie Preprocessor took 50.10ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 37.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-26 07:26:37,194 INFO L158 Benchmark]: RCFGBuilder took 785.17ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.7MB in the beginning and 49.3MB in the end (delta: -11.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-10-26 07:26:37,197 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.59ms. Allocated memory is still 60.8MB. Free memory was 27.6MB in the beginning and 20.3MB in the end (delta: 7.3MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.42ms. Allocated memory is still 60.8MB. Free memory was 20.3MB in the beginning and 39.6MB in the end (delta: -19.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.10ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 37.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 785.17ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.7MB in the beginning and 49.3MB in the end (delta: -11.7MB). Peak memory consumption was 21.2MB. 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. [2024-10-26 07:26:37,226 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?