./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/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_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:54:33,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:54:33,401 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:54:33,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:54:33,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:54:33,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:54:33,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:54:33,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:54:33,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:54:33,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:54:33,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:54:33,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:54:33,454 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:54:33,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:54:33,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:54:33,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:54:33,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:54:33,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:54:33,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:54:33,460 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:54:33,460 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:54:33,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:54:33,461 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:54:33,462 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:54:33,462 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:54:33,462 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:54:33,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:54:33,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:54:33,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:54:33,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:54:33,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:54:33,466 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:54:33,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:54:33,467 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2024-11-09 00:54:33,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:54:33,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:54:33,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:54:33,795 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:54:33,796 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:54:33,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i Unable to find full path for "g++" [2024-11-09 00:54:35,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:54:36,107 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:54:36,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-09 00:54:36,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/data/cc45456f5/0fdd57d53c38425c8c586e0375a22ceb/FLAG44e9539ec [2024-11-09 00:54:36,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/data/cc45456f5/0fdd57d53c38425c8c586e0375a22ceb [2024-11-09 00:54:36,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:54:36,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:54:36,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:54:36,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:54:36,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:54:36,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:54:36" (1/1) ... [2024-11-09 00:54:36,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56783003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:36, skipping insertion in model container [2024-11-09 00:54:36,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:54:36" (1/1) ... [2024-11-09 00:54:36,218 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:54:36,668 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-11-09 00:54:36,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:54:36,691 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:54:36,757 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-11-09 00:54:36,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:54:36,811 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:54:36,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:36 WrapperNode [2024-11-09 00:54:36,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:54:36,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:54:36,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:54:36,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:54:36,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:36" (1/1) ... [2024-11-09 00:54:36,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:36" (1/1) ... [2024-11-09 00:54:36,870 INFO L138 Inliner]: procedures = 172, calls = 19, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 99 [2024-11-09 00:54:36,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:54:36,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:54:36,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:54:36,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:54:36,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:36" (1/1) ... [2024-11-09 00:54:36,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:36" (1/1) ... [2024-11-09 00:54:36,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:36" (1/1) ... [2024-11-09 00:54:36,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:36" (1/1) ... [2024-11-09 00:54:36,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:36" (1/1) ... [2024-11-09 00:54:36,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:36" (1/1) ... [2024-11-09 00:54:36,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:36" (1/1) ... [2024-11-09 00:54:36,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:36" (1/1) ... [2024-11-09 00:54:36,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:54:36,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:54:36,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:54:36,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:54:36,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:36" (1/1) ... [2024-11-09 00:54:36,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:54:36,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:54:36,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:54:36,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:54:36,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:54:36,997 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-09 00:54:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-09 00:54:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:54:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 00:54:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:54:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:54:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:54:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:54:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 00:54:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:54:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:54:37,003 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 00:54:37,145 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:54:37,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:54:37,398 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 00:54:37,399 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:54:37,559 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) [2024-11-09 00:54:37,564 INFO L158 Benchmark]: Toolchain (without parser) took 1411.13ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 108.7MB in the beginning and 162.6MB in the end (delta: -53.9MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-11-09 00:54:37,564 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 153.1MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:54:37,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 657.27ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 86.3MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 00:54:37,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.65ms. Allocated memory is still 153.1MB. Free memory was 86.3MB in the beginning and 83.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:54:37,567 INFO L158 Benchmark]: Boogie Preprocessor took 42.32ms. Allocated memory is still 153.1MB. Free memory was 83.8MB in the beginning and 82.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:54:37,568 INFO L158 Benchmark]: RCFGBuilder took 647.41ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 82.6MB in the beginning and 162.6MB in the end (delta: -79.9MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-09 00:54:37,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 153.1MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 657.27ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 86.3MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.65ms. Allocated memory is still 153.1MB. Free memory was 86.3MB in the beginning and 83.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.32ms. Allocated memory is still 153.1MB. Free memory was 83.8MB in the beginning and 82.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 647.41ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 82.6MB in the beginning and 162.6MB in the end (delta: -79.9MB). Peak memory consumption was 30.0MB. 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. [2024-11-09 00:54:37,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/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_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:54:40,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:54:40,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:54:40,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:54:40,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:54:40,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:54:40,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:54:40,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:54:40,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:54:40,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:54:40,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:54:40,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:54:40,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:54:40,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:54:40,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:54:40,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:54:40,247 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:54:40,248 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:54:40,248 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:54:40,248 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:54:40,249 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:54:40,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:54:40,253 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:54:40,254 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:54:40,254 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:54:40,254 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:54:40,255 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:40,255 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:54:40,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:54:40,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:54:40,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:54:40,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:54:40,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:54:40,258 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:54:40,259 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:40,259 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:54:40,259 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2024-11-09 00:54:40,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:54:40,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:54:40,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:54:40,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:54:40,716 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:54:40,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i Unable to find full path for "g++" [2024-11-09 00:54:42,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:54:43,089 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:54:43,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-09 00:54:43,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/data/f05f811d2/9c71ef66476e4e31b1008505c99e0f20/FLAGf05f19fcd [2024-11-09 00:54:43,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/data/f05f811d2/9c71ef66476e4e31b1008505c99e0f20 [2024-11-09 00:54:43,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:54:43,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:54:43,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:54:43,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:54:43,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:54:43,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:54:43" (1/1) ... [2024-11-09 00:54:43,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e6f87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:43, skipping insertion in model container [2024-11-09 00:54:43,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:54:43" (1/1) ... [2024-11-09 00:54:43,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:54:43,920 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-11-09 00:54:43,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:54:43,950 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:54:44,011 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-11-09 00:54:44,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:54:44,073 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:54:44,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:44 WrapperNode [2024-11-09 00:54:44,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:54:44,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:54:44,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:54:44,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:54:44,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:44" (1/1) ... [2024-11-09 00:54:44,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:44" (1/1) ... [2024-11-09 00:54:44,138 INFO L138 Inliner]: procedures = 175, calls = 19, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 99 [2024-11-09 00:54:44,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:54:44,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:54:44,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:54:44,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:54:44,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:44" (1/1) ... [2024-11-09 00:54:44,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:44" (1/1) ... [2024-11-09 00:54:44,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:44" (1/1) ... [2024-11-09 00:54:44,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:44" (1/1) ... [2024-11-09 00:54:44,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:44" (1/1) ... [2024-11-09 00:54:44,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:44" (1/1) ... [2024-11-09 00:54:44,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:44" (1/1) ... [2024-11-09 00:54:44,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:44" (1/1) ... [2024-11-09 00:54:44,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:54:44,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:54:44,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:54:44,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:54:44,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:54:44" (1/1) ... [2024-11-09 00:54:44,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:54:44,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:54:44,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:54:44,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:54:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:54:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-09 00:54:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-09 00:54:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 00:54:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:54:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:54:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:54:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:54:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:54:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 00:54:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:54:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:54:44,278 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 00:54:44,473 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:54:44,475 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:54:44,713 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 00:54:44,713 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:54:44,839 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) [2024-11-09 00:54:44,843 INFO L158 Benchmark]: Toolchain (without parser) took 1525.26ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.8MB in the beginning and 42.3MB in the end (delta: -2.5MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-09 00:54:44,844 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:54:44,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 755.95ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.6MB in the beginning and 46.4MB in the end (delta: -6.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-09 00:54:44,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.23ms. Allocated memory is still 79.7MB. Free memory was 46.4MB in the beginning and 44.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:54:44,846 INFO L158 Benchmark]: Boogie Preprocessor took 53.38ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 42.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:54:44,847 INFO L158 Benchmark]: RCFGBuilder took 648.74ms. Allocated memory is still 79.7MB. Free memory was 42.2MB in the beginning and 42.3MB in the end (delta: -121.4kB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-11-09 00:54:44,850 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 755.95ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.6MB in the beginning and 46.4MB in the end (delta: -6.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.23ms. Allocated memory is still 79.7MB. Free memory was 46.4MB in the beginning and 44.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.38ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 42.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 648.74ms. Allocated memory is still 79.7MB. Free memory was 42.2MB in the beginning and 42.3MB in the end (delta: -121.4kB). Peak memory consumption was 14.9MB. 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. [2024-11-09 00:54:44,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f3f0b3-d1a8-454b-a455-e3b00274d5a1/bin/ukojak-verify-ImItNfHLgk/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?