./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 --traceabstraction.positions.where.we.compute.the.hoare.annotation All --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 273a578a 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 --traceabstraction.positions.where.we.compute.the.hoare.annotation All --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.owicki-witnesses-273a578-m [2024-02-19 14:12:07,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-19 14:12:07,439 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-19 14:12:07,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-19 14:12:07,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-19 14:12:07,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-19 14:12:07,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-19 14:12:07,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-19 14:12:07,467 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-19 14:12:07,469 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-19 14:12:07,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-19 14:12:07,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-19 14:12:07,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-19 14:12:07,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-19 14:12:07,472 INFO L153 SettingsManager]: * Use SBE=true [2024-02-19 14:12:07,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-19 14:12:07,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-19 14:12:07,472 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-19 14:12:07,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-19 14:12:07,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-19 14:12:07,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-19 14:12:07,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-19 14:12:07,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-19 14:12:07,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-19 14:12:07,474 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-19 14:12:07,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-19 14:12:07,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-19 14:12:07,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-19 14:12:07,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-19 14:12:07,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-19 14:12:07,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-19 14:12:07,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-19 14:12:07,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-19 14:12:07,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-19 14:12:07,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-19 14:12:07,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-19 14:12:07,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-19 14:12:07,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-19 14:12:07,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-19 14:12:07,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-19 14:12:07,479 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-19 14:12:07,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-19 14:12:07,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-19 14:12:07,479 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All [2024-02-19 14:12:07,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-19 14:12:07,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-19 14:12:07,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-19 14:12:07,799 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-19 14:12:07,799 INFO L274 PluginConnector]: CDTParser initialized [2024-02-19 14:12:07,800 INFO L431 ainManager$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 [2024-02-19 14:12:08,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-19 14:12:09,154 INFO L384 CDTParser]: Found 1 translation units. [2024-02-19 14:12:09,157 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-19 14:12:09,176 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed3111318/f32d68b590d84cb388599b5179f6b02a/FLAGcc34892b2 [2024-02-19 14:12:09,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed3111318/f32d68b590d84cb388599b5179f6b02a [2024-02-19 14:12:09,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-19 14:12:09,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-02-19 14:12:09,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-19 14:12:09,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-19 14:12:09,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-19 14:12:09,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@163fc29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09, skipping insertion in model container [2024-02-19 14:12:09,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,246 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-19 14:12:09,476 WARN L239 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] [2024-02-19 14:12:09,482 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-19 14:12:09,489 INFO L202 MainTranslator]: Completed pre-run [2024-02-19 14:12:09,516 WARN L239 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] [2024-02-19 14:12:09,517 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-19 14:12:09,552 INFO L206 MainTranslator]: Completed translation [2024-02-19 14:12:09,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09 WrapperNode [2024-02-19 14:12:09,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-19 14:12:09,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-19 14:12:09,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-19 14:12:09,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-19 14:12:09,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,607 INFO L138 Inliner]: procedures = 172, calls = 23, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 106 [2024-02-19 14:12:09,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-19 14:12:09,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-19 14:12:09,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-19 14:12:09,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-19 14:12:09,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,620 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,637 INFO L175 MemorySlicer]: Split 7 memory accesses to 4 slices as follows [2, 2, 1, 2]. 29 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-19 14:12:09,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-19 14:12:09,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-19 14:12:09,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-19 14:12:09,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-19 14:12:09,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:09" (1/1) ... [2024-02-19 14:12:09,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-19 14:12:09,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-19 14:12:09,681 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) [2024-02-19 14:12:09,690 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 [2024-02-19 14:12:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-19 14:12:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-19 14:12:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-19 14:12:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-19 14:12:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-02-19 14:12:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-02-19 14:12:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-19 14:12:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-19 14:12:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-19 14:12:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-19 14:12:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-19 14:12:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-19 14:12:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-19 14:12:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-19 14:12:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-19 14:12:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-19 14:12:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-19 14:12:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-19 14:12:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-19 14:12:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-19 14:12:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-19 14:12:09,727 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-19 14:12:09,845 INFO L244 CfgBuilder]: Building ICFG [2024-02-19 14:12:09,847 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-19 14:12:10,025 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-19 14:12:10,028 INFO L293 CfgBuilder]: Performing block encoding [2024-02-19 14:12:10,170 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) [2024-02-19 14:12:10,175 INFO L158 Benchmark]: Toolchain (without parser) took 984.54ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 38.0MB in the beginning and 56.8MB in the end (delta: -18.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-02-19 14:12:10,176 INFO L158 Benchmark]: CDTParser took 1.47ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-19 14:12:10,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.13ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 37.8MB in the beginning and 61.6MB in the end (delta: -23.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-02-19 14:12:10,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.42ms. Allocated memory is still 90.2MB. Free memory was 61.6MB in the beginning and 59.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-19 14:12:10,178 INFO L158 Benchmark]: Boogie Preprocessor took 46.85ms. Allocated memory is still 90.2MB. Free memory was 59.2MB in the beginning and 57.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-19 14:12:10,178 INFO L158 Benchmark]: RCFGBuilder took 518.68ms. Allocated memory is still 90.2MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: -42.0kB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-02-19 14:12:10,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.13ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 37.8MB in the beginning and 61.6MB in the end (delta: -23.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.42ms. Allocated memory is still 90.2MB. Free memory was 61.6MB in the beginning and 59.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.85ms. Allocated memory is still 90.2MB. Free memory was 59.2MB in the beginning and 57.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.68ms. Allocated memory is still 90.2MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: -42.0kB). Peak memory consumption was 19.3MB. 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. [2024-02-19 14:12:10,211 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 --traceabstraction.positions.where.we.compute.the.hoare.annotation All --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.owicki-witnesses-273a578-m [2024-02-19 14:12:12,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-19 14:12:12,156 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-02-19 14:12:12,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-19 14:12:12,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-19 14:12:12,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-19 14:12:12,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-19 14:12:12,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-19 14:12:12,188 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-19 14:12:12,191 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-19 14:12:12,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-19 14:12:12,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-19 14:12:12,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-19 14:12:12,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-19 14:12:12,193 INFO L153 SettingsManager]: * Use SBE=true [2024-02-19 14:12:12,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-19 14:12:12,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-19 14:12:12,194 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-19 14:12:12,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-19 14:12:12,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-19 14:12:12,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-19 14:12:12,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-19 14:12:12,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-19 14:12:12,196 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-02-19 14:12:12,196 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-02-19 14:12:12,196 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-19 14:12:12,196 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-02-19 14:12:12,197 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-19 14:12:12,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-19 14:12:12,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-19 14:12:12,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-19 14:12:12,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-19 14:12:12,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-19 14:12:12,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-19 14:12:12,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-19 14:12:12,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-19 14:12:12,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-19 14:12:12,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-19 14:12:12,200 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-02-19 14:12:12,200 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-02-19 14:12:12,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-19 14:12:12,201 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-19 14:12:12,201 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-19 14:12:12,201 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-19 14:12:12,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-19 14:12:12,202 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-02-19 14:12:12,202 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All [2024-02-19 14:12:12,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-19 14:12:12,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-19 14:12:12,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-19 14:12:12,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-19 14:12:12,503 INFO L274 PluginConnector]: CDTParser initialized [2024-02-19 14:12:12,504 INFO L431 ainManager$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 [2024-02-19 14:12:13,603 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-19 14:12:13,789 INFO L384 CDTParser]: Found 1 translation units. [2024-02-19 14:12:13,789 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-19 14:12:13,802 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67be9fd55/2da1eeed0d6a4ffa8be3e8869e6d5967/FLAG011009192 [2024-02-19 14:12:13,813 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67be9fd55/2da1eeed0d6a4ffa8be3e8869e6d5967 [2024-02-19 14:12:13,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-19 14:12:13,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-02-19 14:12:13,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-19 14:12:13,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-19 14:12:13,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-19 14:12:13,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 02:12:13" (1/1) ... [2024-02-19 14:12:13,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe5e1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:13, skipping insertion in model container [2024-02-19 14:12:13,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 02:12:13" (1/1) ... [2024-02-19 14:12:13,861 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-19 14:12:14,146 WARN L239 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] [2024-02-19 14:12:14,156 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-19 14:12:14,174 INFO L202 MainTranslator]: Completed pre-run [2024-02-19 14:12:14,242 WARN L239 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] [2024-02-19 14:12:14,244 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-19 14:12:14,282 INFO L206 MainTranslator]: Completed translation [2024-02-19 14:12:14,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:14 WrapperNode [2024-02-19 14:12:14,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-19 14:12:14,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-19 14:12:14,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-19 14:12:14,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-19 14:12:14,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:14" (1/1) ... [2024-02-19 14:12:14,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:14" (1/1) ... [2024-02-19 14:12:14,331 INFO L138 Inliner]: procedures = 175, calls = 23, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 106 [2024-02-19 14:12:14,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-19 14:12:14,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-19 14:12:14,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-19 14:12:14,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-19 14:12:14,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:14" (1/1) ... [2024-02-19 14:12:14,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:14" (1/1) ... [2024-02-19 14:12:14,360 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:14" (1/1) ... [2024-02-19 14:12:14,370 INFO L175 MemorySlicer]: Split 7 memory accesses to 4 slices as follows [2, 2, 1, 2]. 29 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-19 14:12:14,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:14" (1/1) ... [2024-02-19 14:12:14,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:14" (1/1) ... [2024-02-19 14:12:14,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:14" (1/1) ... [2024-02-19 14:12:14,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:14" (1/1) ... [2024-02-19 14:12:14,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:14" (1/1) ... [2024-02-19 14:12:14,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:14" (1/1) ... [2024-02-19 14:12:14,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-19 14:12:14,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-19 14:12:14,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-19 14:12:14,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-19 14:12:14,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:12:14" (1/1) ... [2024-02-19 14:12:14,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-19 14:12:14,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-19 14:12:14,462 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) [2024-02-19 14:12:14,495 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 [2024-02-19 14:12:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-02-19 14:12:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-02-19 14:12:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-02-19 14:12:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-02-19 14:12:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-02-19 14:12:14,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-02-19 14:12:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-19 14:12:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-19 14:12:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-19 14:12:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-19 14:12:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-02-19 14:12:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-02-19 14:12:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-02-19 14:12:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-02-19 14:12:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-02-19 14:12:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-02-19 14:12:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-02-19 14:12:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-02-19 14:12:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-19 14:12:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-19 14:12:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-19 14:12:14,527 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-19 14:12:14,688 INFO L244 CfgBuilder]: Building ICFG [2024-02-19 14:12:14,690 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-19 14:12:14,859 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-19 14:12:14,859 INFO L293 CfgBuilder]: Performing block encoding [2024-02-19 14:12:14,971 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) [2024-02-19 14:12:14,980 INFO L158 Benchmark]: Toolchain (without parser) took 1162.29ms. Allocated memory is still 75.5MB. Free memory was 41.8MB in the beginning and 25.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-02-19 14:12:14,980 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 36.5MB in the beginning and 36.5MB in the end (delta: 53.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-19 14:12:14,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.45ms. Allocated memory is still 75.5MB. Free memory was 41.6MB in the beginning and 41.8MB in the end (delta: -150.1kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-02-19 14:12:14,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.14ms. Allocated memory is still 75.5MB. Free memory was 41.8MB in the beginning and 39.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-19 14:12:14,983 INFO L158 Benchmark]: Boogie Preprocessor took 72.54ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 36.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-19 14:12:14,985 INFO L158 Benchmark]: RCFGBuilder took 572.21ms. Allocated memory is still 75.5MB. Free memory was 36.7MB in the beginning and 25.6MB in the end (delta: 11.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-02-19 14:12:14,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 36.5MB in the beginning and 36.5MB in the end (delta: 53.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.45ms. Allocated memory is still 75.5MB. Free memory was 41.6MB in the beginning and 41.8MB in the end (delta: -150.1kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.14ms. Allocated memory is still 75.5MB. Free memory was 41.8MB in the beginning and 39.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.54ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 36.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.21ms. Allocated memory is still 75.5MB. Free memory was 36.7MB in the beginning and 25.6MB in the end (delta: 11.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:367) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-02-19 14:12:15,019 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?