./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_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b --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 [2024-12-06 05:50:47,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:50:47,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:50:47,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:50:47,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:50:47,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:50:47,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:50:47,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:50:47,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:50:47,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:50:47,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:50:47,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:50:47,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:50:47,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:50:47,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:50:47,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:50:47,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:50:47,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:50:47,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:50:47,393 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:50:47,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:50:47,394 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:50:47,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:50:47,394 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:50:47,394 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:50:47,394 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:50:47,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:50:47,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:50:47,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:50:47,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:50:47,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:50:47,395 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:50:47,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:50:47,395 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_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-06 05:50:47,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:50:47,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:50:47,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:50:47,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:50:47,611 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:50:47,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2024-12-06 05:50:50,256 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/data/cc4723b83/b4d2bb6c6f2b4f47ba35114347c5f1cf/FLAGea609162f [2024-12-06 05:50:50,528 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:50:50,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2024-12-06 05:50:50,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/data/cc4723b83/b4d2bb6c6f2b4f47ba35114347c5f1cf/FLAGea609162f [2024-12-06 05:50:50,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/data/cc4723b83/b4d2bb6c6f2b4f47ba35114347c5f1cf [2024-12-06 05:50:50,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:50:50,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:50:50,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:50:50,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:50:50,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:50:50,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:50" (1/1) ... [2024-12-06 05:50:50,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b4bcbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:50, skipping insertion in model container [2024-12-06 05:50:50,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:50" (1/1) ... [2024-12-06 05:50:50,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:50:51,150 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_6cc7daca-4eb3-47a6-922b-77be4406f1fd/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31294,31307] [2024-12-06 05:50:51,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:50:51,171 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:50:51,208 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_6cc7daca-4eb3-47a6-922b-77be4406f1fd/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31294,31307] [2024-12-06 05:50:51,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:50:51,239 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:50:51,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:51 WrapperNode [2024-12-06 05:50:51,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:50:51,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:50:51,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:50:51,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:50:51,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:51" (1/1) ... [2024-12-06 05:50:51,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:51" (1/1) ... [2024-12-06 05:50:51,274 INFO L138 Inliner]: procedures = 179, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 209 [2024-12-06 05:50:51,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:50:51,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:50:51,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:50:51,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:50:51,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:51" (1/1) ... [2024-12-06 05:50:51,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:51" (1/1) ... [2024-12-06 05:50:51,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:51" (1/1) ... [2024-12-06 05:50:51,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:51" (1/1) ... [2024-12-06 05:50:51,290 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:51" (1/1) ... [2024-12-06 05:50:51,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:51" (1/1) ... [2024-12-06 05:50:51,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:51" (1/1) ... [2024-12-06 05:50:51,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:51" (1/1) ... [2024-12-06 05:50:51,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:51" (1/1) ... [2024-12-06 05:50:51,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:50:51,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:50:51,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:50:51,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:50:51,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:51" (1/1) ... [2024-12-06 05:50:51,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:50:51,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:50:51,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:50:51,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:50:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:50:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-12-06 05:50:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-12-06 05:50:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:50:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2024-12-06 05:50:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2024-12-06 05:50:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:50:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:50:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 05:50:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:50:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:50:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:50:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:50:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 05:50:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2024-12-06 05:50:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2024-12-06 05:50:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:50:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:50:51,351 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 05:50:51,453 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:50:51,454 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:50:51,739 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 05:50:51,740 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:50:51,838 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:50:51,843 INFO L158 Benchmark]: Toolchain (without parser) took 991.96ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 90.2MB in the end (delta: 1.9MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2024-12-06 05:50:51,843 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:50:51,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.30ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 71.0MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:50:51,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.04ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 68.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:50:51,844 INFO L158 Benchmark]: Boogie Preprocessor took 25.98ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 67.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:50:51,845 INFO L158 Benchmark]: RCFGBuilder took 540.12ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 90.2MB in the end (delta: -23.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-12-06 05:50:51,847 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.30ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 71.0MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.04ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 68.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.98ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 67.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 540.12ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 90.2MB in the end (delta: -23.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:50:51,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/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_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b --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 [2024-12-06 05:50:53,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:50:53,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:50:53,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:50:53,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:50:53,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:50:53,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:50:53,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:50:53,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:50:53,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:50:53,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:50:53,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:50:53,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:50:53,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:50:53,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:50:53,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:50:53,927 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:50:53,927 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:50:53,927 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:50:53,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:50:53,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:50:53,928 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:50:53,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:50:53,928 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:50:53,928 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:50:53,928 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:50:53,928 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:50:53,928 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:50:53,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:50:53,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:50:53,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:50:53,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:50:53,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:50:53,929 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:50:53,929 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:50:53,929 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:50:53,929 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_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-06 05:50:54,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:50:54,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:50:54,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:50:54,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:50:54,163 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:50:54,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2024-12-06 05:50:56,843 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/data/640868875/40cef3978f404fcd93f4be33d78ac55e/FLAG7e685f423 [2024-12-06 05:50:57,062 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:50:57,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2024-12-06 05:50:57,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/data/640868875/40cef3978f404fcd93f4be33d78ac55e/FLAG7e685f423 [2024-12-06 05:50:57,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/data/640868875/40cef3978f404fcd93f4be33d78ac55e [2024-12-06 05:50:57,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:50:57,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:50:57,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:50:57,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:50:57,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:50:57,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e3e46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57, skipping insertion in model container [2024-12-06 05:50:57,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:50:57,384 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_6cc7daca-4eb3-47a6-922b-77be4406f1fd/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31294,31307] [2024-12-06 05:50:57,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:50:57,406 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:50:57,445 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_6cc7daca-4eb3-47a6-922b-77be4406f1fd/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31294,31307] [2024-12-06 05:50:57,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:50:57,485 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:50:57,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57 WrapperNode [2024-12-06 05:50:57,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:50:57,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:50:57,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:50:57,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:50:57,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,525 INFO L138 Inliner]: procedures = 183, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 206 [2024-12-06 05:50:57,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:50:57,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:50:57,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:50:57,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:50:57,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,544 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:50:57,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:50:57,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:50:57,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:50:57,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:57" (1/1) ... [2024-12-06 05:50:57,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:50:57,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:50:57,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:50:57,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:50:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 05:50:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-12-06 05:50:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-12-06 05:50:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2024-12-06 05:50:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2024-12-06 05:50:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:50:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:50:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 05:50:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:50:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:50:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:50:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 05:50:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:50:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 05:50:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 05:50:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2024-12-06 05:50:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2024-12-06 05:50:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:50:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:50:57,619 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 05:50:57,728 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:50:57,730 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:50:58,069 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 05:50:58,069 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:50:58,163 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:50:58,168 INFO L158 Benchmark]: Toolchain (without parser) took 1080.06ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 37.3MB in the end (delta: 31.2MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-12-06 05:50:58,169 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:50:58,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.09ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 45.9MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:50:58,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.89ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 43.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:50:58,170 INFO L158 Benchmark]: Boogie Preprocessor took 30.35ms. Allocated memory is still 92.3MB. Free memory was 43.7MB in the beginning and 41.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:50:58,170 INFO L158 Benchmark]: RCFGBuilder took 609.62ms. Allocated memory is still 92.3MB. Free memory was 41.6MB in the beginning and 37.6MB in the end (delta: 4.0MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2024-12-06 05:50:58,172 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.09ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 45.9MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.89ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 43.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.35ms. Allocated memory is still 92.3MB. Free memory was 43.7MB in the beginning and 41.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 609.62ms. Allocated memory is still 92.3MB. Free memory was 41.6MB in the beginning and 37.6MB in the end (delta: 4.0MB). Peak memory consumption was 3.8MB. 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. [2024-12-06 05:50:58,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc7daca-4eb3-47a6-922b-77be4406f1fd/bin/ukojak-verify-CZk0znPC7b/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?