./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.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_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:10:19,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:10:19,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-14 03:10:19,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:10:19,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:10:19,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:10:19,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:10:19,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:10:19,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:10:19,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:10:19,759 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:10:19,759 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:10:19,760 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:10:19,760 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:10:19,760 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:10:19,762 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:10:19,762 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:10:19,762 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:10:19,762 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:10:19,762 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:10:19,762 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:10:19,763 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:10:19,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 03:10:19,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 03:10:19,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:10:19,763 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:10:19,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:10:19,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:10:19,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:10:19,763 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 03:10:19,764 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 03:10:19,764 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-14 03:10:19,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:10:19,764 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:10:19,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:10:19,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:10:19,764 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:10:19,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:10:19,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:10:19,764 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:10:19,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:10:19,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:10:19,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:10:19,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:10:19,766 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:10:19,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:10:19,766 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:10:19,766 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:10:19,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:10:19,767 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 [2024-11-14 03:10:20,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:10:20,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:10:20,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:10:20,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:10:20,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:10:20,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i Unable to find full path for "g++" [2024-11-14 03:10:22,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:10:22,719 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:10:22,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-14 03:10:22,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/data/504ae5d6b/09bfb4c1bda542ac823f24412462d0aa/FLAG4ba791475 [2024-11-14 03:10:22,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/data/504ae5d6b/09bfb4c1bda542ac823f24412462d0aa [2024-11-14 03:10:22,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:10:22,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:10:22,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:10:22,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:10:22,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:10:22,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:10:22" (1/1) ... [2024-11-14 03:10:22,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20304012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:22, skipping insertion in model container [2024-11-14 03:10:22,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:10:22" (1/1) ... [2024-11-14 03:10:22,813 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:10:23,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:10:23,298 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:10:23,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:10:23,394 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:10:23,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:23 WrapperNode [2024-11-14 03:10:23,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:10:23,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:10:23,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:10:23,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:10:23,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:23" (1/1) ... [2024-11-14 03:10:23,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:23" (1/1) ... [2024-11-14 03:10:23,453 INFO L138 Inliner]: procedures = 172, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 103 [2024-11-14 03:10:23,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:10:23,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:10:23,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:10:23,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:10:23,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:23" (1/1) ... [2024-11-14 03:10:23,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:23" (1/1) ... [2024-11-14 03:10:23,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:23" (1/1) ... [2024-11-14 03:10:23,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:23" (1/1) ... [2024-11-14 03:10:23,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:23" (1/1) ... [2024-11-14 03:10:23,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:23" (1/1) ... [2024-11-14 03:10:23,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:23" (1/1) ... [2024-11-14 03:10:23,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:23" (1/1) ... [2024-11-14 03:10:23,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:10:23,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:10:23,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:10:23,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:10:23,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:23" (1/1) ... [2024-11-14 03:10:23,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:10:23,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:10:23,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:10:23,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:10:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:10:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-14 03:10:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-14 03:10:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:10:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 03:10:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:10:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:10:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:10:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:10:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 03:10:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:10:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:10:23,602 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 03:10:23,812 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:10:23,816 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:10:24,250 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 03:10:24,251 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:10:24,519 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 03:10:24,526 INFO L158 Benchmark]: Toolchain (without parser) took 1762.54ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 39.5MB in the end (delta: 52.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-14 03:10:24,526 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.7MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:10:24,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.60ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 71.7MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:10:24,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.75ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 70.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:10:24,528 INFO L158 Benchmark]: Boogie Preprocessor took 33.89ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 68.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:10:24,529 INFO L158 Benchmark]: RCFGBuilder took 1033.11ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 39.5MB in the end (delta: 29.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 03:10:24,532 INFO L338 ainManager$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 117.4MB. Free memory was 74.8MB in the beginning and 74.7MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.60ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 71.7MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.75ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 70.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.89ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 68.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1033.11ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 39.5MB in the end (delta: 29.3MB). Peak memory consumption was 25.2MB. 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. [2024-11-14 03:10:24,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.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_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:10:27,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:10:28,164 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2024-11-14 03:10:28,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:10:28,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:10:28,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:10:28,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:10:28,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:10:28,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:10:28,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:10:28,208 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:10:28,209 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:10:28,209 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:10:28,209 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:10:28,209 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:10:28,209 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:10:28,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 03:10:28,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 03:10:28,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:10:28,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:10:28,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:10:28,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:10:28,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:10:28,211 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 03:10:28,211 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 03:10:28,211 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-14 03:10:28,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:10:28,211 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:10:28,211 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:10:28,211 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:10:28,211 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:10:28,212 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:10:28,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:10:28,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:10:28,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:10:28,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:10:28,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:10:28,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:10:28,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:10:28,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:10:28,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:10:28,213 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:10:28,213 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:10:28,213 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:10:28,213 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:10:28,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 [2024-11-14 03:10:28,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:10:28,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:10:28,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:10:28,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:10:28,663 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:10:28,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i Unable to find full path for "g++" [2024-11-14 03:10:31,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:10:31,603 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:10:31,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-14 03:10:31,631 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/data/54bb47b20/f1e7710da15547378f73d235dd396dde/FLAG2dfca4f97 [2024-11-14 03:10:31,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/data/54bb47b20/f1e7710da15547378f73d235dd396dde [2024-11-14 03:10:31,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:10:31,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:10:31,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:10:31,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:10:31,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:10:31,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:10:31" (1/1) ... [2024-11-14 03:10:31,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319d9367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:31, skipping insertion in model container [2024-11-14 03:10:31,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:10:31" (1/1) ... [2024-11-14 03:10:31,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:10:32,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:10:32,373 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:10:32,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:10:32,539 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:10:32,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:32 WrapperNode [2024-11-14 03:10:32,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:10:32,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:10:32,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:10:32,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:10:32,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:32" (1/1) ... [2024-11-14 03:10:32,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:32" (1/1) ... [2024-11-14 03:10:32,620 INFO L138 Inliner]: procedures = 175, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 103 [2024-11-14 03:10:32,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:10:32,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:10:32,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:10:32,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:10:32,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:32" (1/1) ... [2024-11-14 03:10:32,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:32" (1/1) ... [2024-11-14 03:10:32,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:32" (1/1) ... [2024-11-14 03:10:32,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:32" (1/1) ... [2024-11-14 03:10:32,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:32" (1/1) ... [2024-11-14 03:10:32,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:32" (1/1) ... [2024-11-14 03:10:32,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:32" (1/1) ... [2024-11-14 03:10:32,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:32" (1/1) ... [2024-11-14 03:10:32,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:10:32,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:10:32,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:10:32,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:10:32,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:10:32" (1/1) ... [2024-11-14 03:10:32,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:10:32,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:10:32,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:10:32,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:10:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 03:10:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-14 03:10:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-14 03:10:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 03:10:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:10:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:10:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:10:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 03:10:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:10:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 03:10:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:10:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:10:32,769 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 03:10:32,969 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:10:32,971 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:10:33,494 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 03:10:33,494 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:10:33,819 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 03:10:33,826 INFO L158 Benchmark]: Toolchain (without parser) took 2157.92ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 33.0MB in the end (delta: 26.4MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-11-14 03:10:33,826 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:10:33,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 870.61ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 39.0MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:10:33,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.10ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 37.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:10:33,831 INFO L158 Benchmark]: Boogie Preprocessor took 60.75ms. Allocated memory is still 83.9MB. Free memory was 37.0MB in the beginning and 35.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:10:33,831 INFO L158 Benchmark]: RCFGBuilder took 1138.95ms. Allocated memory is still 83.9MB. Free memory was 35.2MB in the beginning and 33.0MB in the end (delta: 2.2MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-14 03:10:33,833 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 870.61ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 39.0MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.10ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 37.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.75ms. Allocated memory is still 83.9MB. Free memory was 37.0MB in the beginning and 35.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1138.95ms. Allocated memory is still 83.9MB. Free memory was 35.2MB in the beginning and 33.0MB in the end (delta: 2.2MB). Peak memory consumption was 21.6MB. 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. [2024-11-14 03:10:33,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_310a0cdf-d2b8-4a9e-bfbf-da7cc4b2468b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?