./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 16:21:56,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 16:21:56,748 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 16:21:56,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 16:21:56,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 16:21:56,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 16:21:56,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 16:21:56,788 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 16:21:56,789 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 16:21:56,792 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 16:21:56,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 16:21:56,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 16:21:56,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 16:21:56,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 16:21:56,795 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 16:21:56,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 16:21:56,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 16:21:56,796 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 16:21:56,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 16:21:56,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 16:21:56,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 16:21:56,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 16:21:56,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 16:21:56,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 16:21:56,799 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 16:21:56,800 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 16:21:56,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 16:21:56,800 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 16:21:56,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 16:21:56,801 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 16:21:56,802 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 16:21:56,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 16:21:56,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 16:21:56,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 16:21:56,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 16:21:56,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 16:21:56,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 16:21:56,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 16:21:56,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 16:21:56,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 16:21:56,804 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 16:21:56,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 16:21:56,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 16:21:56,808 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2024-06-27 16:21:57,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 16:21:57,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 16:21:57,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 16:21:57,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 16:21:57,140 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 16:21:57,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-06-27 16:21:58,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 16:21:58,673 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 16:21:58,673 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-06-27 16:21:58,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/598f5f1ad/b17316c064744a95b201d51af6e5d7ef/FLAGebf735244 [2024-06-27 16:21:58,713 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/598f5f1ad/b17316c064744a95b201d51af6e5d7ef [2024-06-27 16:21:58,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 16:21:58,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-06-27 16:21:58,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 16:21:58,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 16:21:58,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 16:21:58,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:21:58" (1/1) ... [2024-06-27 16:21:58,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a80219f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:58, skipping insertion in model container [2024-06-27 16:21:58,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:21:58" (1/1) ... [2024-06-27 16:21:58,771 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 16:21:59,041 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-06-27 16:21:59,063 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:21:59,074 INFO L202 MainTranslator]: Completed pre-run [2024-06-27 16:21:59,131 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-06-27 16:21:59,137 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:21:59,169 INFO L206 MainTranslator]: Completed translation [2024-06-27 16:21:59,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:59 WrapperNode [2024-06-27 16:21:59,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 16:21:59,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 16:21:59,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 16:21:59,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 16:21:59,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:59" (1/1) ... [2024-06-27 16:21:59,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:59" (1/1) ... [2024-06-27 16:21:59,205 INFO L138 Inliner]: procedures = 172, calls = 19, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 102 [2024-06-27 16:21:59,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 16:21:59,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 16:21:59,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 16:21:59,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 16:21:59,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:59" (1/1) ... [2024-06-27 16:21:59,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:59" (1/1) ... [2024-06-27 16:21:59,217 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:59" (1/1) ... [2024-06-27 16:21:59,228 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]. [2024-06-27 16:21:59,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:59" (1/1) ... [2024-06-27 16:21:59,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:59" (1/1) ... [2024-06-27 16:21:59,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:59" (1/1) ... [2024-06-27 16:21:59,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:59" (1/1) ... [2024-06-27 16:21:59,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:59" (1/1) ... [2024-06-27 16:21:59,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:59" (1/1) ... [2024-06-27 16:21:59,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 16:21:59,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 16:21:59,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 16:21:59,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 16:21:59,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:59" (1/1) ... [2024-06-27 16:21:59,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 16:21:59,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 16:21:59,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-27 16:21:59,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-27 16:21:59,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-27 16:21:59,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-27 16:21:59,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-06-27 16:21:59,317 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-06-27 16:21:59,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-06-27 16:21:59,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-27 16:21:59,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-27 16:21:59,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-06-27 16:21:59,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-27 16:21:59,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 16:21:59,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-06-27 16:21:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-06-27 16:21:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 16:21:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-27 16:21:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-27 16:21:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-27 16:21:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 16:21:59,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 16:21:59,321 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 16:21:59,434 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 16:21:59,436 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 16:21:59,589 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 16:21:59,589 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 16:21:59,742 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:307) 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) [2024-06-27 16:21:59,753 INFO L158 Benchmark]: Toolchain (without parser) took 1033.47ms. Allocated memory is still 174.1MB. Free memory was 140.8MB in the beginning and 88.3MB in the end (delta: 52.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-06-27 16:21:59,753 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 16:21:59,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.22ms. Allocated memory is still 174.1MB. Free memory was 140.7MB in the beginning and 119.3MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-06-27 16:21:59,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.41ms. Allocated memory is still 174.1MB. Free memory was 119.3MB in the beginning and 117.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 16:21:59,755 INFO L158 Benchmark]: Boogie Preprocessor took 35.18ms. Allocated memory is still 174.1MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 16:21:59,756 INFO L158 Benchmark]: RCFGBuilder took 509.01ms. Allocated memory is still 174.1MB. Free memory was 115.1MB in the beginning and 88.3MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-27 16:21:59,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.22ms. Allocated memory is still 174.1MB. Free memory was 140.7MB in the beginning and 119.3MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.41ms. Allocated memory is still 174.1MB. Free memory was 119.3MB in the beginning and 117.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.18ms. Allocated memory is still 174.1MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 509.01ms. Allocated memory is still 174.1MB. Free memory was 115.1MB in the beginning and 88.3MB in the end (delta: 26.8MB). 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:367) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-06-27 16:21:59,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 16:22:02,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 16:22:02,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-06-27 16:22:02,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 16:22:02,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 16:22:02,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 16:22:02,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 16:22:02,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 16:22:02,335 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 16:22:02,339 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 16:22:02,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 16:22:02,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 16:22:02,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 16:22:02,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 16:22:02,341 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 16:22:02,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 16:22:02,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 16:22:02,342 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 16:22:02,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 16:22:02,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 16:22:02,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 16:22:02,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 16:22:02,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 16:22:02,345 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-06-27 16:22:02,345 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-06-27 16:22:02,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 16:22:02,345 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-06-27 16:22:02,346 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 16:22:02,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 16:22:02,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 16:22:02,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 16:22:02,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 16:22:02,348 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 16:22:02,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 16:22:02,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 16:22:02,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 16:22:02,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 16:22:02,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 16:22:02,350 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-06-27 16:22:02,350 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-06-27 16:22:02,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 16:22:02,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 16:22:02,352 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 16:22:02,352 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 16:22:02,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 16:22:02,353 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-06-27 16:22:02,353 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2024-06-27 16:22:02,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 16:22:02,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 16:22:02,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 16:22:02,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 16:22:02,722 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 16:22:02,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-06-27 16:22:04,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 16:22:04,349 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 16:22:04,349 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-06-27 16:22:04,369 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31c46526e/596a85dcb846478f9c7e61f629d95dc1/FLAG115904dd6 [2024-06-27 16:22:04,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31c46526e/596a85dcb846478f9c7e61f629d95dc1 [2024-06-27 16:22:04,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 16:22:04,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-06-27 16:22:04,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 16:22:04,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 16:22:04,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 16:22:04,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:04,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb551c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04, skipping insertion in model container [2024-06-27 16:22:04,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:04,426 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 16:22:04,819 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-06-27 16:22:04,830 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:22:04,849 INFO L202 MainTranslator]: Completed pre-run [2024-06-27 16:22:04,897 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-06-27 16:22:04,900 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:22:04,948 INFO L206 MainTranslator]: Completed translation [2024-06-27 16:22:04,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04 WrapperNode [2024-06-27 16:22:04,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 16:22:04,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 16:22:04,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 16:22:04,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 16:22:04,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:04,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:05,018 INFO L138 Inliner]: procedures = 175, calls = 19, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 102 [2024-06-27 16:22:05,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 16:22:05,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 16:22:05,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 16:22:05,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 16:22:05,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:05,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:05,043 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:05,068 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]. [2024-06-27 16:22:05,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:05,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:05,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:05,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:05,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:05,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:05,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 16:22:05,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 16:22:05,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 16:22:05,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 16:22:05,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:22:04" (1/1) ... [2024-06-27 16:22:05,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 16:22:05,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 16:22:05,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-27 16:22:05,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-27 16:22:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-06-27 16:22:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-06-27 16:22:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-06-27 16:22:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-06-27 16:22:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-06-27 16:22:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-27 16:22:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 16:22:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-06-27 16:22:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-06-27 16:22:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-06-27 16:22:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-06-27 16:22:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-06-27 16:22:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-06-27 16:22:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-06-27 16:22:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-06-27 16:22:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-27 16:22:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 16:22:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 16:22:05,208 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 16:22:05,374 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 16:22:05,376 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 16:22:05,556 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 16:22:05,557 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 16:22:05,696 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:307) 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) [2024-06-27 16:22:05,701 INFO L158 Benchmark]: Toolchain (without parser) took 1315.31ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.8MB in the beginning and 55.5MB in the end (delta: -14.7MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-06-27 16:22:05,701 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 44.0MB. Free memory was 20.3MB in the beginning and 20.2MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 16:22:05,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.11ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 35.4MB in the end (delta: 5.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-06-27 16:22:05,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.39ms. Allocated memory is still 65.0MB. Free memory was 35.4MB in the beginning and 33.2MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-27 16:22:05,703 INFO L158 Benchmark]: Boogie Preprocessor took 77.53ms. Allocated memory is still 65.0MB. Free memory was 33.2MB in the beginning and 30.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 16:22:05,703 INFO L158 Benchmark]: RCFGBuilder took 601.00ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 30.4MB in the beginning and 55.5MB in the end (delta: -25.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-06-27 16:22:05,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 44.0MB. Free memory was 20.3MB in the beginning and 20.2MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.11ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 35.4MB in the end (delta: 5.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.39ms. Allocated memory is still 65.0MB. Free memory was 35.4MB in the beginning and 33.2MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.53ms. Allocated memory is still 65.0MB. Free memory was 33.2MB in the beginning and 30.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 601.00ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 30.4MB in the beginning and 55.5MB in the end (delta: -25.2MB). Peak memory consumption was 19.7MB. 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:367) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-06-27 16:22:05,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?