./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.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_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:32:08,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:32:08,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 04:32:08,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:32:08,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:32:08,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:32:08,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:32:08,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:32:08,841 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:32:08,842 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:32:08,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:32:08,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:32:08,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:32:08,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:32:08,845 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:32:08,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:32:08,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:32:08,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:32:08,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:32:08,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:32:08,846 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 04:32:08,846 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 04:32:08,846 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 04:32:08,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:32:08,846 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:32:08,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:32:08,847 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:32:08,847 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:32:08,847 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:32:08,847 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:32:08,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:32:08,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:32:08,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:32:08,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:08,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:32:08,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:32:08,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:32:08,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:32:08,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:08,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:32:08,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:32:08,849 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:32:08,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:32:08,849 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:32:08,849 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:32:08,849 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:32:08,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:32:08,849 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_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 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 [2024-11-28 04:32:09,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:32:09,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:32:09,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:32:09,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:32:09,257 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:32:09,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-28 04:32:12,640 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/data/75eb59220/ccfa9abe5d0f41b689ebf1913700a015/FLAGf269290bf [2024-11-28 04:32:13,181 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:32:13,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-28 04:32:13,216 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/data/75eb59220/ccfa9abe5d0f41b689ebf1913700a015/FLAGf269290bf [2024-11-28 04:32:13,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/data/75eb59220/ccfa9abe5d0f41b689ebf1913700a015 [2024-11-28 04:32:13,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:32:13,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:32:13,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:32:13,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:32:13,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:32:13,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:13" (1/1) ... [2024-11-28 04:32:13,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1470fa6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:13, skipping insertion in model container [2024-11-28 04:32:13,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:13" (1/1) ... [2024-11-28 04:32:13,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:32:14,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:32:14,355 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:32:14,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:32:14,490 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:32:14,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14 WrapperNode [2024-11-28 04:32:14,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:32:14,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:32:14,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:32:14,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:32:14,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14" (1/1) ... [2024-11-28 04:32:14,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14" (1/1) ... [2024-11-28 04:32:14,552 INFO L138 Inliner]: procedures = 172, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 103 [2024-11-28 04:32:14,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:32:14,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:32:14,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:32:14,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:32:14,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14" (1/1) ... [2024-11-28 04:32:14,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14" (1/1) ... [2024-11-28 04:32:14,566 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14" (1/1) ... [2024-11-28 04:32:14,582 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-28 04:32:14,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14" (1/1) ... [2024-11-28 04:32:14,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14" (1/1) ... [2024-11-28 04:32:14,597 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14" (1/1) ... [2024-11-28 04:32:14,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14" (1/1) ... [2024-11-28 04:32:14,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14" (1/1) ... [2024-11-28 04:32:14,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14" (1/1) ... [2024-11-28 04:32:14,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14" (1/1) ... [2024-11-28 04:32:14,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:32:14,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:32:14,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:32:14,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:32:14,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:14" (1/1) ... [2024-11-28 04:32:14,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:14,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:14,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:32:14,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:32:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:32:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:32:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:32:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-28 04:32:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-28 04:32:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:32:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:32:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:32:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 04:32:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:32:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:32:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:32:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:32:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:32:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:32:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 04:32:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:32:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:32:14,688 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:32:14,873 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:32:14,875 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:32:15,284 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:32:15,284 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:32:15,570 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-28 04:32:15,579 INFO L158 Benchmark]: Toolchain (without parser) took 1857.54ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 39.4MB in the end (delta: 53.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-28 04:32:15,579 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:15,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 772.87ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 72.9MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:32:15,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.04ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:15,581 INFO L158 Benchmark]: Boogie Preprocessor took 66.79ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 69.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:32:15,582 INFO L158 Benchmark]: RCFGBuilder took 954.09ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 39.4MB in the end (delta: 29.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:32:15,584 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 772.87ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 72.9MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.04ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.79ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 69.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 954.09ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 39.4MB in the end (delta: 29.8MB). 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. [2024-11-28 04:32:15,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/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_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.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_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:32:18,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:32:19,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-28 04:32:19,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:32:19,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:32:19,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:32:19,085 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:32:19,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:32:19,086 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:32:19,086 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:32:19,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:32:19,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:32:19,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:32:19,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:32:19,088 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:32:19,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:32:19,089 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:32:19,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:32:19,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:32:19,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:32:19,089 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 04:32:19,090 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 04:32:19,090 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 04:32:19,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:32:19,090 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:32:19,090 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:32:19,090 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:32:19,090 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:32:19,091 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:32:19,091 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:32:19,091 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:32:19,091 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:32:19,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:32:19,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:32:19,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:32:19,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:19,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:32:19,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:32:19,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:32:19,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:32:19,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:19,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:32:19,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:32:19,092 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:32:19,093 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:32:19,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:32:19,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:32:19,093 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:32:19,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:32:19,093 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_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 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 [2024-11-28 04:32:19,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:32:19,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:32:19,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:32:19,477 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:32:19,479 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:32:19,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-28 04:32:22,845 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/data/80a90bcf3/89f18ed40400471385d02c44550099a8/FLAGf77439aaa [2024-11-28 04:32:23,300 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:32:23,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-28 04:32:23,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/data/80a90bcf3/89f18ed40400471385d02c44550099a8/FLAGf77439aaa [2024-11-28 04:32:23,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/data/80a90bcf3/89f18ed40400471385d02c44550099a8 [2024-11-28 04:32:23,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:32:23,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:32:23,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:32:23,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:32:23,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:32:23,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:23" (1/1) ... [2024-11-28 04:32:23,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de54907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:23, skipping insertion in model container [2024-11-28 04:32:23,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:23" (1/1) ... [2024-11-28 04:32:23,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:32:23,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:32:23,945 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:32:24,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:32:24,056 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:32:24,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24 WrapperNode [2024-11-28 04:32:24,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:32:24,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:32:24,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:32:24,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:32:24,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24" (1/1) ... [2024-11-28 04:32:24,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24" (1/1) ... [2024-11-28 04:32:24,134 INFO L138 Inliner]: procedures = 175, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 103 [2024-11-28 04:32:24,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:32:24,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:32:24,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:32:24,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:32:24,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24" (1/1) ... [2024-11-28 04:32:24,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24" (1/1) ... [2024-11-28 04:32:24,155 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24" (1/1) ... [2024-11-28 04:32:24,184 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-28 04:32:24,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24" (1/1) ... [2024-11-28 04:32:24,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24" (1/1) ... [2024-11-28 04:32:24,206 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24" (1/1) ... [2024-11-28 04:32:24,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24" (1/1) ... [2024-11-28 04:32:24,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24" (1/1) ... [2024-11-28 04:32:24,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24" (1/1) ... [2024-11-28 04:32:24,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24" (1/1) ... [2024-11-28 04:32:24,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:32:24,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:32:24,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:32:24,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:32:24,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:24" (1/1) ... [2024-11-28 04:32:24,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:24,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:24,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:32:24,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:32:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 04:32:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 04:32:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 04:32:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-28 04:32:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-28 04:32:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 04:32:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:32:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:32:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:32:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 04:32:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 04:32:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 04:32:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:32:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 04:32:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 04:32:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 04:32:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:32:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:32:24,335 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:32:24,575 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:32:24,577 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:32:24,907 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:32:24,907 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:32:25,195 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-28 04:32:25,203 INFO L158 Benchmark]: Toolchain (without parser) took 1843.45ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.1MB in the end (delta: 11.2MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2024-11-28 04:32:25,203 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:25,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.24ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 72.8MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:32:25,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.99ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 70.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:32:25,205 INFO L158 Benchmark]: Boogie Preprocessor took 93.78ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 68.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:25,207 INFO L158 Benchmark]: RCFGBuilder took 968.59ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 82.1MB in the end (delta: -13.5MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-28 04:32:25,209 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.24ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 72.8MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.99ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 70.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.78ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 68.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 968.59ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 82.1MB in the end (delta: -13.5MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-28 04:32:25,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2e99e7-4347-4079-8965-1d32909d6502/bin/uautomizer-verify-aQ6SnzHsRB/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 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?