./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.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_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:13:37,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:13:37,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-24 00:13:37,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:13:37,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:13:37,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:13:37,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:13:37,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:13:37,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:13:37,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:13:37,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:13:37,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:13:37,939 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:13:37,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:13:37,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:13:37,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:13:37,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:13:37,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:13:37,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:13:37,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:13:37,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:13:37,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:13:37,940 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-24 00:13:37,940 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:13:37,941 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:13:37,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:13:37,941 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:13:37,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:13:37,941 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:13:37,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:13:37,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:13:37,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:13:37,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:13:37,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:13:37,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:13:37,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:13:37,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:13:37,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:13:37,942 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:13:37,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:13:37,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:13:37,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:13:37,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:13:37,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:13:37,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:13:37,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:13:37,943 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC 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 ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 [2024-11-24 00:13:38,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:13:38,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:13:38,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:13:38,262 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:13:38,262 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:13:38,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-24 00:13:41,164 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/data/a90b4e66f/1c22ae67548447749ae7a51006a0262b/FLAG096d33666 [2024-11-24 00:13:41,485 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:13:41,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-24 00:13:41,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/data/a90b4e66f/1c22ae67548447749ae7a51006a0262b/FLAG096d33666 [2024-11-24 00:13:41,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/data/a90b4e66f/1c22ae67548447749ae7a51006a0262b [2024-11-24 00:13:41,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:13:41,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:13:41,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:13:41,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:13:41,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:13:41,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:13:41" (1/1) ... [2024-11-24 00:13:41,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c38a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:41, skipping insertion in model container [2024-11-24 00:13:41,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:13:41" (1/1) ... [2024-11-24 00:13:41,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:13:42,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:13:42,064 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:13:42,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:13:42,176 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:13:42,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:42 WrapperNode [2024-11-24 00:13:42,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:13:42,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:13:42,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:13:42,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:13:42,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:42" (1/1) ... [2024-11-24 00:13:42,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:42" (1/1) ... [2024-11-24 00:13:42,246 INFO L138 Inliner]: procedures = 172, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 183 [2024-11-24 00:13:42,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:13:42,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:13:42,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:13:42,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:13:42,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:42" (1/1) ... [2024-11-24 00:13:42,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:42" (1/1) ... [2024-11-24 00:13:42,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:42" (1/1) ... [2024-11-24 00:13:42,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:42" (1/1) ... [2024-11-24 00:13:42,272 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:42" (1/1) ... [2024-11-24 00:13:42,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:42" (1/1) ... [2024-11-24 00:13:42,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:42" (1/1) ... [2024-11-24 00:13:42,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:42" (1/1) ... [2024-11-24 00:13:42,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:42" (1/1) ... [2024-11-24 00:13:42,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:13:42,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:13:42,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:13:42,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:13:42,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:42" (1/1) ... [2024-11-24 00:13:42,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:13:42,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:13:42,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:13:42,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:13:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 00:13:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-24 00:13:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-24 00:13:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 00:13:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 00:13:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:13:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:13:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:13:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 00:13:42,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 00:13:42,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:13:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:13:42,392 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 00:13:42,594 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:13:42,596 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:13:43,218 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 00:13:43,219 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:13:43,609 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 00:13:43,626 INFO L158 Benchmark]: Toolchain (without parser) took 2075.89ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 77.6MB in the end (delta: 13.8MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2024-11-24 00:13:43,627 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:13:43,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.26ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 71.5MB in the end (delta: 19.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:13:43,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.10ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 69.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:13:43,630 INFO L158 Benchmark]: Boogie Preprocessor took 46.81ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 67.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:13:43,631 INFO L158 Benchmark]: RCFGBuilder took 1324.79ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 77.6MB in the end (delta: -10.1MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-24 00:13:43,634 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.26ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 71.5MB in the end (delta: 19.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.10ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 69.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.81ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 67.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1324.79ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 77.6MB in the end (delta: -10.1MB). Peak memory consumption was 38.9MB. 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. [2024-11-24 00:13:43,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.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_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:13:46,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:13:46,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2024-11-24 00:13:46,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:13:46,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:13:47,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:13:47,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:13:47,045 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:13:47,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:13:47,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:13:47,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:13:47,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:13:47,048 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:13:47,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:13:47,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:13:47,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:13:47,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:13:47,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:13:47,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:13:47,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:13:47,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:13:47,050 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-24 00:13:47,050 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:13:47,050 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:13:47,050 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:13:47,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:13:47,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:13:47,051 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:13:47,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:13:47,051 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:13:47,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:13:47,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:13:47,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:13:47,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:13:47,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:13:47,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:13:47,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:13:47,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:13:47,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:13:47,052 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:13:47,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:13:47,052 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:13:47,052 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:13:47,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:13:47,053 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:13:47,053 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:13:47,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:13:47,053 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC 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 ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 [2024-11-24 00:13:47,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:13:47,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:13:47,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:13:47,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:13:47,445 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:13:47,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-24 00:13:50,459 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/data/b6dd14180/eee19b00229841508bd9dc27114d2b25/FLAGacbfcc8ea [2024-11-24 00:13:50,732 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:13:50,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-24 00:13:50,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/data/b6dd14180/eee19b00229841508bd9dc27114d2b25/FLAGacbfcc8ea [2024-11-24 00:13:50,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/data/b6dd14180/eee19b00229841508bd9dc27114d2b25 [2024-11-24 00:13:50,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:13:50,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:13:50,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:13:50,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:13:50,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:13:50,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:13:50" (1/1) ... [2024-11-24 00:13:50,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c02ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:50, skipping insertion in model container [2024-11-24 00:13:50,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:13:50" (1/1) ... [2024-11-24 00:13:50,801 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:13:51,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:13:51,135 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:13:51,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:13:51,240 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:13:51,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:51 WrapperNode [2024-11-24 00:13:51,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:13:51,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:13:51,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:13:51,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:13:51,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:51" (1/1) ... [2024-11-24 00:13:51,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:51" (1/1) ... [2024-11-24 00:13:51,322 INFO L138 Inliner]: procedures = 175, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 183 [2024-11-24 00:13:51,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:13:51,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:13:51,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:13:51,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:13:51,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:51" (1/1) ... [2024-11-24 00:13:51,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:51" (1/1) ... [2024-11-24 00:13:51,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:51" (1/1) ... [2024-11-24 00:13:51,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:51" (1/1) ... [2024-11-24 00:13:51,364 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:51" (1/1) ... [2024-11-24 00:13:51,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:51" (1/1) ... [2024-11-24 00:13:51,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:51" (1/1) ... [2024-11-24 00:13:51,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:51" (1/1) ... [2024-11-24 00:13:51,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:51" (1/1) ... [2024-11-24 00:13:51,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:13:51,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:13:51,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:13:51,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:13:51,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:51" (1/1) ... [2024-11-24 00:13:51,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:13:51,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:13:51,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:13:51,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:13:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-24 00:13:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-24 00:13:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-24 00:13:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 00:13:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:13:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:13:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:13:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-24 00:13:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 00:13:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 00:13:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:13:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:13:51,476 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 00:13:51,684 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:13:51,686 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:13:52,177 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 00:13:52,177 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:13:52,493 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 00:13:52,500 INFO L158 Benchmark]: Toolchain (without parser) took 1736.25ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 36.4MB in the end (delta: 22.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-24 00:13:52,500 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:13:52,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.84ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 38.1MB in the end (delta: 20.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 00:13:52,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.00ms. Allocated memory is still 83.9MB. Free memory was 38.1MB in the beginning and 36.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:13:52,506 INFO L158 Benchmark]: Boogie Preprocessor took 64.10ms. Allocated memory is still 83.9MB. Free memory was 36.0MB in the beginning and 33.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:13:52,506 INFO L158 Benchmark]: RCFGBuilder took 1109.07ms. Allocated memory is still 83.9MB. Free memory was 33.8MB in the beginning and 36.4MB in the end (delta: -2.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-24 00:13:52,509 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.84ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 38.1MB in the end (delta: 20.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.00ms. Allocated memory is still 83.9MB. Free memory was 38.1MB in the beginning and 36.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.10ms. Allocated memory is still 83.9MB. Free memory was 36.0MB in the beginning and 33.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1109.07ms. Allocated memory is still 83.9MB. Free memory was 33.8MB in the beginning and 36.4MB in the end (delta: -2.5MB). Peak memory consumption was 29.4MB. 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. [2024-11-24 00:13:52,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dd6373-9622-4ef1-823a-4d9bde6f3a76/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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?