./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:44:00,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:44:00,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 03:44:00,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:44:00,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:44:00,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:44:00,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:44:00,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:44:00,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:44:00,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:44:00,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:44:00,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:44:00,520 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:44:00,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:44:00,520 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:44:00,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:44:00,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:44:00,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:44:00,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:44:00,521 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:44:00,521 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:44:00,521 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:44:00,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:44:00,521 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:44:00,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:44:00,521 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:44:00,522 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:44:00,522 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:44:00,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:44:00,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:44:00,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:44:00,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:44:00,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:44:00,523 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:44:00,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:44:00,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b 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 -> Kojak 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 [2024-12-06 03:44:00,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:44:00,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:44:00,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:44:00,867 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:44:00,868 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:44:00,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-12-06 03:44:04,446 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/data/777c5ab1f/ca7429fe77fa44c785a1239879a12665/FLAGd25f4c82f [2024-12-06 03:44:04,760 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:44:04,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-12-06 03:44:04,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/data/777c5ab1f/ca7429fe77fa44c785a1239879a12665/FLAGd25f4c82f [2024-12-06 03:44:04,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/data/777c5ab1f/ca7429fe77fa44c785a1239879a12665 [2024-12-06 03:44:04,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:44:04,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:44:04,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:44:04,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:44:04,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:44:04,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:44:04" (1/1) ... [2024-12-06 03:44:04,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b486d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:04, skipping insertion in model container [2024-12-06 03:44:04,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:44:04" (1/1) ... [2024-12-06 03:44:04,843 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:44:05,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:44:05,195 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:44:05,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:44:05,275 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:44:05,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:05 WrapperNode [2024-12-06 03:44:05,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:44:05,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:44:05,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:44:05,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:44:05,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:05" (1/1) ... [2024-12-06 03:44:05,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:05" (1/1) ... [2024-12-06 03:44:05,318 INFO L138 Inliner]: procedures = 172, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 103 [2024-12-06 03:44:05,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:44:05,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:44:05,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:44:05,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:44:05,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:05" (1/1) ... [2024-12-06 03:44:05,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:05" (1/1) ... [2024-12-06 03:44:05,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:05" (1/1) ... [2024-12-06 03:44:05,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:05" (1/1) ... [2024-12-06 03:44:05,335 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:05" (1/1) ... [2024-12-06 03:44:05,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:05" (1/1) ... [2024-12-06 03:44:05,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:05" (1/1) ... [2024-12-06 03:44:05,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:05" (1/1) ... [2024-12-06 03:44:05,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:05" (1/1) ... [2024-12-06 03:44:05,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:44:05,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:44:05,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:44:05,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:44:05,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:05" (1/1) ... [2024-12-06 03:44:05,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:44:05,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:44:05,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:44:05,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:44:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:44:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-12-06 03:44:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-12-06 03:44:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 03:44:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 03:44:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:44:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:44:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:44:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:44:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 03:44:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:44:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:44:05,415 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 03:44:05,538 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:44:05,540 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:44:05,749 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 03:44:05,749 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:44:05,862 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:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:44:05,868 INFO L158 Benchmark]: Toolchain (without parser) took 1066.66ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 71.5MB in the end (delta: 43.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 03:44:05,869 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:44:05,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.67ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 95.7MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:44:05,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.02ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 93.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:44:05,870 INFO L158 Benchmark]: Boogie Preprocessor took 28.86ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 92.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:44:05,871 INFO L158 Benchmark]: RCFGBuilder took 517.54ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 71.5MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:44:05,874 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.67ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 95.7MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.02ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 93.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.86ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 92.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 517.54ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 71.5MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. 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. [2024-12-06 03:44:05,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:44:08,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:44:08,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 03:44:08,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:44:08,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:44:08,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:44:08,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:44:08,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:44:08,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:44:08,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:44:08,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:44:08,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:44:08,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:44:08,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:44:08,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:44:08,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:44:08,592 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:44:08,592 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:44:08,592 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:44:08,592 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:44:08,592 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:44:08,592 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:44:08,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:44:08,592 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:44:08,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:44:08,593 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:44:08,593 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:44:08,593 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:44:08,593 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:44:08,593 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:44:08,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:44:08,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:44:08,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:44:08,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:44:08,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:44:08,594 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:44:08,594 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:44:08,594 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:44:08,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b 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 -> Kojak 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 [2024-12-06 03:44:08,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:44:08,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:44:08,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:44:08,937 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:44:08,938 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:44:08,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-12-06 03:44:12,410 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/data/19e672928/8663b63663f4405d9455d6e863fd65d7/FLAG1dfe99ab0 [2024-12-06 03:44:12,710 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:44:12,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-12-06 03:44:12,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/data/19e672928/8663b63663f4405d9455d6e863fd65d7/FLAG1dfe99ab0 [2024-12-06 03:44:12,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/data/19e672928/8663b63663f4405d9455d6e863fd65d7 [2024-12-06 03:44:12,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:44:12,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:44:12,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:44:12,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:44:12,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:44:12,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:44:12" (1/1) ... [2024-12-06 03:44:13,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aac7c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:12, skipping insertion in model container [2024-12-06 03:44:13,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:44:12" (1/1) ... [2024-12-06 03:44:13,035 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:44:13,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:44:13,317 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:44:13,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:44:13,382 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:44:13,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:13 WrapperNode [2024-12-06 03:44:13,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:44:13,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:44:13,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:44:13,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:44:13,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:13" (1/1) ... [2024-12-06 03:44:13,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:13" (1/1) ... [2024-12-06 03:44:13,417 INFO L138 Inliner]: procedures = 175, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 103 [2024-12-06 03:44:13,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:44:13,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:44:13,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:44:13,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:44:13,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:13" (1/1) ... [2024-12-06 03:44:13,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:13" (1/1) ... [2024-12-06 03:44:13,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:13" (1/1) ... [2024-12-06 03:44:13,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:13" (1/1) ... [2024-12-06 03:44:13,433 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:13" (1/1) ... [2024-12-06 03:44:13,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:13" (1/1) ... [2024-12-06 03:44:13,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:13" (1/1) ... [2024-12-06 03:44:13,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:13" (1/1) ... [2024-12-06 03:44:13,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:13" (1/1) ... [2024-12-06 03:44:13,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:44:13,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:44:13,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:44:13,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:44:13,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:44:13" (1/1) ... [2024-12-06 03:44:13,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:44:13,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:44:13,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:44:13,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:44:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 03:44:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-12-06 03:44:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-12-06 03:44:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 03:44:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:44:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:44:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:44:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 03:44:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:44:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 03:44:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:44:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:44:13,501 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 03:44:13,618 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:44:13,620 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:44:13,794 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 03:44:13,794 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:44:13,883 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:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:44:13,888 INFO L158 Benchmark]: Toolchain (without parser) took 898.20ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 49.6MB in the end (delta: 18.8MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-12-06 03:44:13,889 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:44:13,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.60ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 47.6MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:44:13,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.42ms. Allocated memory is still 92.3MB. Free memory was 47.6MB in the beginning and 45.8MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:44:13,890 INFO L158 Benchmark]: Boogie Preprocessor took 26.98ms. Allocated memory is still 92.3MB. Free memory was 45.8MB in the beginning and 44.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:44:13,890 INFO L158 Benchmark]: RCFGBuilder took 442.00ms. Allocated memory is still 92.3MB. Free memory was 44.1MB in the beginning and 49.6MB in the end (delta: -5.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-12-06 03:44:13,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.60ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 47.6MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.42ms. Allocated memory is still 92.3MB. Free memory was 47.6MB in the beginning and 45.8MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.98ms. Allocated memory is still 92.3MB. Free memory was 45.8MB in the beginning and 44.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 442.00ms. Allocated memory is still 92.3MB. Free memory was 44.1MB in the beginning and 49.6MB in the end (delta: -5.5MB). Peak memory consumption was 12.5MB. 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. [2024-12-06 03:44:13,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbc8c01-6903-4122-bc12-7f1613247a20/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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?