./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:55:47,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:55:47,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:55:47,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:55:47,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:55:47,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:55:47,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:55:47,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:55:47,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:55:47,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:55:47,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:55:47,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:55:47,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:55:47,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:55:47,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:55:47,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:55:47,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:55:47,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:55:47,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:55:47,347 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:55:47,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:55:47,347 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:55:47,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:55:47,348 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:55:47,348 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:55:47,348 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:55:47,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:55:47,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:55:47,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:55:47,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:55:47,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:55:47,349 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:55:47,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:55:47,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3 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 -> Kojak 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 -> 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 [2024-11-25 04:55:47,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:55:47,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:55:47,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:55:47,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:55:47,730 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:55:47,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2024-11-25 04:55:51,010 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/data/206d8402e/69f9638d65784800abc1dfeefb8a521e/FLAGa04872883 [2024-11-25 04:55:51,386 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:55:51,387 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2024-11-25 04:55:51,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/data/206d8402e/69f9638d65784800abc1dfeefb8a521e/FLAGa04872883 [2024-11-25 04:55:51,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/data/206d8402e/69f9638d65784800abc1dfeefb8a521e [2024-11-25 04:55:51,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:55:51,427 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:55:51,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:55:51,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:55:51,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:55:51,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:55:51" (1/1) ... [2024-11-25 04:55:51,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebea53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:51, skipping insertion in model container [2024-11-25 04:55:51,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:55:51" (1/1) ... [2024-11-25 04:55:51,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:55:51,887 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31294,31307] [2024-11-25 04:55:51,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:55:51,916 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:55:51,968 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31294,31307] [2024-11-25 04:55:51,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:55:52,022 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:55:52,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:52 WrapperNode [2024-11-25 04:55:52,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:55:52,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:55:52,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:55:52,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:55:52,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:52" (1/1) ... [2024-11-25 04:55:52,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:52" (1/1) ... [2024-11-25 04:55:52,070 INFO L138 Inliner]: procedures = 179, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 209 [2024-11-25 04:55:52,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:55:52,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:55:52,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:55:52,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:55:52,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:52" (1/1) ... [2024-11-25 04:55:52,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:52" (1/1) ... [2024-11-25 04:55:52,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:52" (1/1) ... [2024-11-25 04:55:52,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:52" (1/1) ... [2024-11-25 04:55:52,094 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:52" (1/1) ... [2024-11-25 04:55:52,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:52" (1/1) ... [2024-11-25 04:55:52,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:52" (1/1) ... [2024-11-25 04:55:52,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:52" (1/1) ... [2024-11-25 04:55:52,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:52" (1/1) ... [2024-11-25 04:55:52,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:55:52,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:55:52,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:55:52,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:55:52,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:52" (1/1) ... [2024-11-25 04:55:52,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:55:52,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:55:52,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:55:52,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:55:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:55:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-25 04:55:52,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-25 04:55:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:55:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2024-11-25 04:55:52,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2024-11-25 04:55:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:55:52,204 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:55:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 04:55:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:55:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:55:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:55:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:55:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 04:55:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2024-11-25 04:55:52,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2024-11-25 04:55:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:55:52,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:55:52,208 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 04:55:52,396 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:55:52,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:55:52,924 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 04:55:52,924 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:55:53,137 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:55:53,147 INFO L158 Benchmark]: Toolchain (without parser) took 1717.11ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 89.5MB in the end (delta: 1.5MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2024-11-25 04:55:53,149 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:55:53,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.61ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 69.6MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:55:53,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.01ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:55:53,152 INFO L158 Benchmark]: Boogie Preprocessor took 43.55ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 65.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:55:53,153 INFO L158 Benchmark]: RCFGBuilder took 1027.45ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 89.5MB in the end (delta: -23.8MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-25 04:55:53,156 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.61ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 69.6MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.01ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.55ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 65.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1027.45ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 89.5MB in the end (delta: -23.8MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:55:53,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:55:56,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:55:56,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:55:56,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:55:56,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:55:56,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:55:56,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:55:56,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:55:56,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:55:56,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:55:56,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:55:56,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:55:56,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:55:56,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:55:56,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:55:56,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:55:56,505 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:55:56,505 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:55:56,506 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:55:56,506 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:55:56,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:55:56,508 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:55:56,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:55:56,509 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:55:56,509 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:55:56,509 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:55:56,509 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:56,509 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:55:56,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:55:56,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:55:56,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:55:56,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:55:56,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:55:56,511 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:55:56,511 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:56,511 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:55:56,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3 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 -> Kojak 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 -> 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 [2024-11-25 04:55:56,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:55:56,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:55:56,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:55:56,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:55:56,876 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:55:56,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2024-11-25 04:56:00,147 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/data/ff7700a1c/4ec52fc9c85f4844ae1b762f40d83197/FLAGa25c7f213 [2024-11-25 04:56:00,563 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:56:00,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2024-11-25 04:56:00,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/data/ff7700a1c/4ec52fc9c85f4844ae1b762f40d83197/FLAGa25c7f213 [2024-11-25 04:56:00,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/data/ff7700a1c/4ec52fc9c85f4844ae1b762f40d83197 [2024-11-25 04:56:00,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:56:00,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:56:00,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:56:00,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:56:00,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:56:00,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:00" (1/1) ... [2024-11-25 04:56:00,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0940b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:00, skipping insertion in model container [2024-11-25 04:56:00,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:00" (1/1) ... [2024-11-25 04:56:00,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:56:01,117 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31294,31307] [2024-11-25 04:56:01,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:56:01,151 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:56:01,218 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31294,31307] [2024-11-25 04:56:01,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:56:01,272 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:56:01,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:01 WrapperNode [2024-11-25 04:56:01,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:56:01,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:56:01,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:56:01,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:56:01,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:01" (1/1) ... [2024-11-25 04:56:01,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:01" (1/1) ... [2024-11-25 04:56:01,342 INFO L138 Inliner]: procedures = 183, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 206 [2024-11-25 04:56:01,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:56:01,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:56:01,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:56:01,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:56:01,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:01" (1/1) ... [2024-11-25 04:56:01,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:01" (1/1) ... [2024-11-25 04:56:01,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:01" (1/1) ... [2024-11-25 04:56:01,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:01" (1/1) ... [2024-11-25 04:56:01,368 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:01" (1/1) ... [2024-11-25 04:56:01,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:01" (1/1) ... [2024-11-25 04:56:01,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:01" (1/1) ... [2024-11-25 04:56:01,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:01" (1/1) ... [2024-11-25 04:56:01,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:01" (1/1) ... [2024-11-25 04:56:01,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:56:01,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:56:01,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:56:01,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:56:01,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:01" (1/1) ... [2024-11-25 04:56:01,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:56:01,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:56:01,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:56:01,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:56:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 04:56:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-25 04:56:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-25 04:56:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2024-11-25 04:56:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2024-11-25 04:56:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:56:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:56:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 04:56:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:56:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:56:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:56:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 04:56:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:56:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-25 04:56:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 04:56:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2024-11-25 04:56:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2024-11-25 04:56:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:56:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:56:01,490 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 04:56:01,712 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:56:01,715 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:56:02,313 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 04:56:02,313 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:56:02,508 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:56:02,515 INFO L158 Benchmark]: Toolchain (without parser) took 1890.22ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 35.2MB in the end (delta: 24.4MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-11-25 04:56:02,516 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:56:02,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.98ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 36.6MB in the end (delta: 22.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:56:02,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.01ms. Allocated memory is still 83.9MB. Free memory was 36.6MB in the beginning and 34.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:56:02,517 INFO L158 Benchmark]: Boogie Preprocessor took 40.24ms. Allocated memory is still 83.9MB. Free memory was 34.3MB in the beginning and 32.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:56:02,518 INFO L158 Benchmark]: RCFGBuilder took 1129.31ms. Allocated memory is still 83.9MB. Free memory was 32.1MB in the beginning and 35.2MB in the end (delta: -3.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-11-25 04:56:02,524 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.98ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 36.6MB in the end (delta: 22.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.01ms. Allocated memory is still 83.9MB. Free memory was 36.6MB in the beginning and 34.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.24ms. Allocated memory is still 83.9MB. Free memory was 34.3MB in the beginning and 32.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1129.31ms. Allocated memory is still 83.9MB. Free memory was 32.1MB in the beginning and 35.2MB in the end (delta: -3.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:56:02,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d857e5-3db5-4f4a-8293-aa2e5d6d5f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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?