./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f 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/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 12:59:43,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 12:59:43,975 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-11 12:59:43,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 12:59:43,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 12:59:44,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 12:59:44,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 12:59:44,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 12:59:44,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 12:59:44,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 12:59:44,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 12:59:44,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 12:59:44,013 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 12:59:44,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 12:59:44,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 12:59:44,015 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 12:59:44,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 12:59:44,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 12:59:44,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 12:59:44,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 12:59:44,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 12:59:44,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 12:59:44,020 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 12:59:44,020 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-11 12:59:44,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-11 12:59:44,021 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 12:59:44,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 12:59:44,021 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 12:59:44,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 12:59:44,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 12:59:44,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 12:59:44,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 12:59:44,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-11 12:59:44,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 12:59:44,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 12:59:44,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 12:59:44,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 12:59:44,022 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-11 12:59:44,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 12:59:44,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 12:59:44,023 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-11 12:59:44,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-11 12:59:44,023 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-11 12:59:44,024 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-11 12:59:44,024 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2024-11-11 12:59:44,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 12:59:44,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 12:59:44,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 12:59:44,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 12:59:44,267 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 12:59:44,268 INFO L431 ainManager$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 [2024-11-11 12:59:45,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 12:59:45,792 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 12:59:45,793 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-11 12:59:45,813 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aa59d4e17/44311e66be8f4a51be8d751422df5a05/FLAG98e3243c7 [2024-11-11 12:59:45,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aa59d4e17/44311e66be8f4a51be8d751422df5a05 [2024-11-11 12:59:45,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 12:59:45,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 12:59:45,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 12:59:45,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 12:59:45,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 12:59:45,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 12:59:45" (1/1) ... [2024-11-11 12:59:45,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21454a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:45, skipping insertion in model container [2024-11-11 12:59:45,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 12:59:45" (1/1) ... [2024-11-11 12:59:45,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 12:59:46,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 12:59:46,155 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 12:59:46,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 12:59:46,220 INFO L204 MainTranslator]: Completed translation [2024-11-11 12:59:46,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:46 WrapperNode [2024-11-11 12:59:46,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 12:59:46,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 12:59:46,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 12:59:46,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 12:59:46,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:46" (1/1) ... [2024-11-11 12:59:46,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:46" (1/1) ... [2024-11-11 12:59:46,267 INFO L138 Inliner]: procedures = 172, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 106 [2024-11-11 12:59:46,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 12:59:46,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 12:59:46,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 12:59:46,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 12:59:46,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:46" (1/1) ... [2024-11-11 12:59:46,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:46" (1/1) ... [2024-11-11 12:59:46,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:46" (1/1) ... [2024-11-11 12:59:46,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:46" (1/1) ... [2024-11-11 12:59:46,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:46" (1/1) ... [2024-11-11 12:59:46,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:46" (1/1) ... [2024-11-11 12:59:46,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:46" (1/1) ... [2024-11-11 12:59:46,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:46" (1/1) ... [2024-11-11 12:59:46,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 12:59:46,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 12:59:46,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 12:59:46,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 12:59:46,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:46" (1/1) ... [2024-11-11 12:59:46,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-11 12:59:46,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 12:59:46,341 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) [2024-11-11 12:59:46,348 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 [2024-11-11 12:59:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-11 12:59:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-11 12:59:46,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-11 12:59:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-11 12:59:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-11 12:59:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 12:59:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 12:59:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 12:59:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-11 12:59:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-11 12:59:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 12:59:46,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 12:59:46,386 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-11 12:59:46,496 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 12:59:46,498 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 12:59:46,643 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-11 12:59:46,643 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 12:59:46,788 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) [2024-11-11 12:59:46,793 INFO L158 Benchmark]: Toolchain (without parser) took 963.47ms. Allocated memory is still 169.9MB. Free memory was 98.5MB in the beginning and 133.7MB in the end (delta: -35.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-11 12:59:46,793 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 12:59:46,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.51ms. Allocated memory is still 169.9MB. Free memory was 98.5MB in the beginning and 76.5MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-11 12:59:46,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.61ms. Allocated memory is still 169.9MB. Free memory was 76.5MB in the beginning and 74.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 12:59:46,821 INFO L158 Benchmark]: Boogie Preprocessor took 28.95ms. Allocated memory is still 169.9MB. Free memory was 74.1MB in the beginning and 72.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 12:59:46,822 INFO L158 Benchmark]: RCFGBuilder took 492.47ms. Allocated memory is still 169.9MB. Free memory was 72.7MB in the beginning and 133.7MB in the end (delta: -61.0MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2024-11-11 12:59:46,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.51ms. Allocated memory is still 169.9MB. Free memory was 98.5MB in the beginning and 76.5MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.61ms. Allocated memory is still 169.9MB. Free memory was 76.5MB in the beginning and 74.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.95ms. Allocated memory is still 169.9MB. Free memory was 74.1MB in the beginning and 72.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 492.47ms. Allocated memory is still 169.9MB. Free memory was 72.7MB in the beginning and 133.7MB in the end (delta: -61.0MB). Peak memory consumption was 33.5MB. 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. [2024-11-11 12:59:46,851 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/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 12:59:48,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 12:59:48,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Bitvector.epf [2024-11-11 12:59:48,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 12:59:48,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 12:59:48,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 12:59:48,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 12:59:48,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 12:59:48,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 12:59:48,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 12:59:48,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 12:59:48,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 12:59:48,972 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 12:59:48,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 12:59:48,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 12:59:48,973 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 12:59:48,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 12:59:48,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 12:59:48,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 12:59:48,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 12:59:48,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 12:59:48,976 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-11 12:59:48,976 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 12:59:48,976 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-11 12:59:48,976 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-11 12:59:48,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-11 12:59:48,977 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 12:59:48,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 12:59:48,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 12:59:48,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 12:59:48,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 12:59:48,978 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 12:59:48,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 12:59:48,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-11 12:59:48,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 12:59:48,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 12:59:48,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 12:59:48,982 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-11 12:59:48,982 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-11 12:59:48,982 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-11 12:59:48,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 12:59:48,983 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-11 12:59:48,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-11 12:59:48,983 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-11 12:59:48,983 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-11 12:59:48,984 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2024-11-11 12:59:49,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 12:59:49,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 12:59:49,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 12:59:49,246 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 12:59:49,246 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 12:59:49,248 INFO L431 ainManager$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 [2024-11-11 12:59:50,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 12:59:50,866 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 12:59:50,866 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-11 12:59:50,887 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/927a94bed/66ef3fa751b84ed1988df3f61ebf3657/FLAGb8cba4f28 [2024-11-11 12:59:51,168 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/927a94bed/66ef3fa751b84ed1988df3f61ebf3657 [2024-11-11 12:59:51,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 12:59:51,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 12:59:51,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 12:59:51,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 12:59:51,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 12:59:51,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 12:59:51" (1/1) ... [2024-11-11 12:59:51,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4022fb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:51, skipping insertion in model container [2024-11-11 12:59:51,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 12:59:51" (1/1) ... [2024-11-11 12:59:51,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 12:59:51,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 12:59:51,572 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 12:59:51,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 12:59:51,687 INFO L204 MainTranslator]: Completed translation [2024-11-11 12:59:51,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:51 WrapperNode [2024-11-11 12:59:51,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 12:59:51,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 12:59:51,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 12:59:51,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 12:59:51,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:51" (1/1) ... [2024-11-11 12:59:51,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:51" (1/1) ... [2024-11-11 12:59:51,766 INFO L138 Inliner]: procedures = 175, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 106 [2024-11-11 12:59:51,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 12:59:51,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 12:59:51,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 12:59:51,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 12:59:51,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:51" (1/1) ... [2024-11-11 12:59:51,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:51" (1/1) ... [2024-11-11 12:59:51,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:51" (1/1) ... [2024-11-11 12:59:51,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:51" (1/1) ... [2024-11-11 12:59:51,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:51" (1/1) ... [2024-11-11 12:59:51,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:51" (1/1) ... [2024-11-11 12:59:51,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:51" (1/1) ... [2024-11-11 12:59:51,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:51" (1/1) ... [2024-11-11 12:59:51,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 12:59:51,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 12:59:51,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 12:59:51,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 12:59:51,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 12:59:51" (1/1) ... [2024-11-11 12:59:51,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-11 12:59:51,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 12:59:51,830 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) [2024-11-11 12:59:51,832 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 [2024-11-11 12:59:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-11 12:59:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-11 12:59:51,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-11 12:59:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-11 12:59:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 12:59:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 12:59:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 12:59:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-11 12:59:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-11 12:59:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-11 12:59:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 12:59:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 12:59:51,869 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-11 12:59:51,982 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 12:59:51,986 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 12:59:52,235 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-11 12:59:52,237 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 12:59:52,399 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) [2024-11-11 12:59:52,403 INFO L158 Benchmark]: Toolchain (without parser) took 1231.42ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 64.9MB in the beginning and 100.4MB in the end (delta: -35.5MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2024-11-11 12:59:52,404 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 12:59:52,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.59ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 65.3MB in the end (delta: -353.7kB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-11 12:59:52,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.51ms. Allocated memory is still 88.1MB. Free memory was 65.3MB in the beginning and 63.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 12:59:52,405 INFO L158 Benchmark]: Boogie Preprocessor took 27.38ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 61.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 12:59:52,406 INFO L158 Benchmark]: RCFGBuilder took 606.51ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 61.1MB in the beginning and 100.4MB in the end (delta: -39.3MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-11 12:59:52,408 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 88.1MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.59ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 65.3MB in the end (delta: -353.7kB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.51ms. Allocated memory is still 88.1MB. Free memory was 65.3MB in the beginning and 63.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.38ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 61.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 606.51ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 61.1MB in the beginning and 100.4MB in the end (delta: -39.3MB). Peak memory consumption was 30.8MB. 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. [2024-11-11 12:59:52,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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?