/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-25 21:48:39,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-25 21:48:39,771 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-25 21:48:39,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-25 21:48:39,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-25 21:48:39,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-25 21:48:39,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-25 21:48:39,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-25 21:48:39,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-25 21:48:39,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-25 21:48:39,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-25 21:48:39,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-25 21:48:39,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-25 21:48:39,794 INFO L153 SettingsManager]: * Use SBE=true [2024-01-25 21:48:39,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-25 21:48:39,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-25 21:48:39,795 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-25 21:48:39,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-25 21:48:39,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-25 21:48:39,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-25 21:48:39,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-25 21:48:39,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-25 21:48:39,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-25 21:48:39,796 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-25 21:48:39,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-25 21:48:39,796 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-25 21:48:39,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-25 21:48:39,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-25 21:48:39,797 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-25 21:48:39,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-25 21:48:39,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 21:48:39,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-25 21:48:39,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-25 21:48:39,798 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-25 21:48:39,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-25 21:48:39,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-25 21:48:39,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-25 21:48:39,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-25 21:48:39,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-25 21:48:39,799 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-25 21:48:39,799 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-25 21:48:39,799 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-25 21:48:39,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-25 21:48:39,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-25 21:48:39,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-25 21:48:39,989 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-25 21:48:39,990 INFO L274 PluginConnector]: CDTParser initialized [2024-01-25 21:48:39,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-01-25 21:48:40,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-25 21:48:41,071 INFO L384 CDTParser]: Found 1 translation units. [2024-01-25 21:48:41,071 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-01-25 21:48:41,090 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/896cf0d07/043abfed14c04a6485764cca8a7f4311/FLAGa53b93381 [2024-01-25 21:48:41,101 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/896cf0d07/043abfed14c04a6485764cca8a7f4311 [2024-01-25 21:48:41,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-25 21:48:41,103 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-25 21:48:41,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-25 21:48:41,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-25 21:48:41,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-25 21:48:41,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 09:48:41" (1/1) ... [2024-01-25 21:48:41,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aaa9ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:48:41, skipping insertion in model container [2024-01-25 21:48:41,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 09:48:41" (1/1) ... [2024-01-25 21:48:41,153 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-25 21:48:41,388 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-01-25 21:48:41,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 21:48:41,414 INFO L202 MainTranslator]: Completed pre-run [2024-01-25 21:48:41,454 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-01-25 21:48:41,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 21:48:41,483 INFO L206 MainTranslator]: Completed translation [2024-01-25 21:48:41,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:48:41 WrapperNode [2024-01-25 21:48:41,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-25 21:48:41,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-25 21:48:41,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-25 21:48:41,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-25 21:48:41,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:48:41" (1/1) ... [2024-01-25 21:48:41,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:48:41" (1/1) ... [2024-01-25 21:48:41,531 INFO L138 Inliner]: procedures = 172, calls = 23, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 106 [2024-01-25 21:48:41,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-25 21:48:41,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-25 21:48:41,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-25 21:48:41,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-25 21:48:41,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:48:41" (1/1) ... [2024-01-25 21:48:41,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:48:41" (1/1) ... [2024-01-25 21:48:41,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:48:41" (1/1) ... [2024-01-25 21:48:41,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:48:41" (1/1) ... [2024-01-25 21:48:41,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:48:41" (1/1) ... [2024-01-25 21:48:41,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:48:41" (1/1) ... [2024-01-25 21:48:41,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:48:41" (1/1) ... [2024-01-25 21:48:41,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:48:41" (1/1) ... [2024-01-25 21:48:41,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-25 21:48:41,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-25 21:48:41,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-25 21:48:41,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-25 21:48:41,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:48:41" (1/1) ... [2024-01-25 21:48:41,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 21:48:41,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 21:48:41,600 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) [2024-01-25 21:48:41,608 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 [2024-01-25 21:48:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-25 21:48:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-01-25 21:48:41,621 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-01-25 21:48:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-25 21:48:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-25 21:48:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-25 21:48:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-25 21:48:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-25 21:48:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-25 21:48:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-25 21:48:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-25 21:48:41,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-25 21:48:41,624 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-25 21:48:41,702 INFO L241 CfgBuilder]: Building ICFG [2024-01-25 21:48:41,703 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-25 21:48:41,878 INFO L282 CfgBuilder]: Performing block encoding [2024-01-25 21:48:41,936 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2024-01-25 21:48:41,939 INFO L158 Benchmark]: Toolchain (without parser) took 835.35ms. Allocated memory is still 295.7MB. Free memory was 243.2MB in the beginning and 197.6MB in the end (delta: 45.6MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2024-01-25 21:48:41,940 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-25 21:48:41,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.28ms. Allocated memory is still 295.7MB. Free memory was 243.2MB in the beginning and 223.3MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-01-25 21:48:41,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.39ms. Allocated memory is still 295.7MB. Free memory was 223.3MB in the beginning and 221.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-25 21:48:41,941 INFO L158 Benchmark]: Boogie Preprocessor took 34.70ms. Allocated memory is still 295.7MB. Free memory was 221.2MB in the beginning and 219.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-25 21:48:41,941 INFO L158 Benchmark]: RCFGBuilder took 370.85ms. Allocated memory is still 295.7MB. Free memory was 219.6MB in the beginning and 197.6MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2024-01-25 21:48:41,943 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 379.28ms. Allocated memory is still 295.7MB. Free memory was 243.2MB in the beginning and 223.3MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.39ms. Allocated memory is still 295.7MB. Free memory was 223.3MB in the beginning and 221.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.70ms. Allocated memory is still 295.7MB. Free memory was 221.2MB in the beginning and 219.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 370.85ms. Allocated memory is still 295.7MB. Free memory was 219.6MB in the beginning and 197.6MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-01-25 21:48:41,962 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...