./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix018.opt.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_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/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_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix018.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/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_5fc2e210-121e-41f3-807a-1d47f30fc367/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 a7349305eeae716fa3a7c11218caa894d6e5121d77db0055a98af7bd7c666586 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:44:01,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:44:01,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:44:01,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:44:01,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:44:01,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:44:01,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:44:01,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:44:01,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:44:01,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:44:01,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:44:01,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:44:01,918 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:44:01,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:44:01,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:44:01,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:44:01,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:44:01,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:44:01,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:44:01,918 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:44:01,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:44:01,919 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:44:01,919 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:44:01,919 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:44:01,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:44:01,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:44:01,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:44:01,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:44:01,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:44:01,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:44:01,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:44:01,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:44:01,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:44:01,920 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_5fc2e210-121e-41f3-807a-1d47f30fc367/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 -> a7349305eeae716fa3a7c11218caa894d6e5121d77db0055a98af7bd7c666586 [2024-12-05 23:44:02,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:44:02,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:44:02,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:44:02,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:44:02,154 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:44:02,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix018.opt.i [2024-12-05 23:44:04,806 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/data/08054fa9f/f27586e28c16412abf244d663c5dd20d/FLAG54613ae54 [2024-12-05 23:44:05,024 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:44:05,024 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/sv-benchmarks/c/pthread-wmm/mix018.opt.i [2024-12-05 23:44:05,037 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/data/08054fa9f/f27586e28c16412abf244d663c5dd20d/FLAG54613ae54 [2024-12-05 23:44:05,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/data/08054fa9f/f27586e28c16412abf244d663c5dd20d [2024-12-05 23:44:05,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:44:05,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:44:05,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:44:05,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:44:05,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:44:05,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7392882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05, skipping insertion in model container [2024-12-05 23:44:05,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:44:05,534 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_5fc2e210-121e-41f3-807a-1d47f30fc367/sv-benchmarks/c/pthread-wmm/mix018.opt.i[944,957] [2024-12-05 23:44:05,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:44:05,708 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:44:05,716 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_5fc2e210-121e-41f3-807a-1d47f30fc367/sv-benchmarks/c/pthread-wmm/mix018.opt.i[944,957] [2024-12-05 23:44:05,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:44:05,787 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:44:05,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05 WrapperNode [2024-12-05 23:44:05,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:44:05,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:44:05,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:44:05,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:44:05,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,819 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2024-12-05 23:44:05,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:44:05,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:44:05,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:44:05,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:44:05,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,836 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:44:05,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:44:05,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:44:05,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:44:05,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:44:05,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:44:05,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:44:05,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:44:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:44:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:44:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 23:44:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:44:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-05 23:44:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-05 23:44:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-05 23:44:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-05 23:44:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-05 23:44:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-05 23:44:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-05 23:44:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-05 23:44:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:44:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 23:44:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:44:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:44:05,898 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 23:44:06,008 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:44:06,009 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:44:06,286 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 23:44:06,287 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:44:06,421 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := (if 0 == ~z$r_buff0_thd0~0 % 256 then 0 else 1);~z$r_buff1_thd1~0 := (if 0 == ~z$r_buff0_thd1~0 % 256 then 0 else 1);~z$r_buff1_thd2~0 := (if 0 == ~z$r_buff0_thd2~0 % 256 then 0 else 1);~z$r_buff1_thd3~0 := (if 0 == ~z$r_buff0_thd3~0 % 256 then 0 else 1);~z$r_buff1_thd4~0 := (if 0 == ~z$r_buff0_thd4~0 % 256 then 0 else 1);~z$r_buff0_thd4~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2024-12-05 23:44:06,425 INFO L158 Benchmark]: Toolchain (without parser) took 1068.70ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 72.7MB in the end (delta: 18.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-12-05 23:44:06,426 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:44:06,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.92ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 66.9MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:44:06,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.44ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 65.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:44:06,427 INFO L158 Benchmark]: Boogie Preprocessor took 25.67ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:44:06,427 INFO L158 Benchmark]: RCFGBuilder took 578.57ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 72.7MB in the end (delta: -9.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-12-05 23:44:06,429 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.92ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 66.9MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.44ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 65.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.67ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 578.57ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 72.7MB in the end (delta: -9.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := (if 0 == ~z$r_buff0_thd0~0 % 256 then 0 else 1);~z$r_buff1_thd1~0 := (if 0 == ~z$r_buff0_thd1~0 % 256 then 0 else 1);~z$r_buff1_thd2~0 := (if 0 == ~z$r_buff0_thd2~0 % 256 then 0 else 1);~z$r_buff1_thd3~0 := (if 0 == ~z$r_buff0_thd3~0 % 256 then 0 else 1);~z$r_buff1_thd4~0 := (if 0 == ~z$r_buff0_thd4~0 % 256 then 0 else 1);~z$r_buff0_thd4~0 := 1;). 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 end of atomic block: ~z$r_buff1_thd0~0 := (if 0 == ~z$r_buff0_thd0~0 % 256 then 0 else 1);~z$r_buff1_thd1~0 := (if 0 == ~z$r_buff0_thd1~0 % 256 then 0 else 1);~z$r_buff1_thd2~0 := (if 0 == ~z$r_buff0_thd2~0 % 256 then 0 else 1);~z$r_buff1_thd3~0 := (if 0 == ~z$r_buff0_thd3~0 % 256 then 0 else 1);~z$r_buff1_thd4~0 := (if 0 == ~z$r_buff0_thd4~0 % 256 then 0 else 1);~z$r_buff0_thd4~0 := 1;). 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:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:44:06,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/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_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/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_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix018.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/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_5fc2e210-121e-41f3-807a-1d47f30fc367/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 a7349305eeae716fa3a7c11218caa894d6e5121d77db0055a98af7bd7c666586 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:44:08,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:44:08,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:44:08,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:44:08,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:44:08,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:44:08,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:44:08,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:44:08,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:44:08,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:44:08,416 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:44:08,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:44:08,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:44:08,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:44:08,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:44:08,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:44:08,417 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:44:08,417 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:44:08,417 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:44:08,417 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:44:08,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:44:08,418 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:44:08,418 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:44:08,418 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:44:08,418 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:44:08,418 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:44:08,418 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:08,418 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:44:08,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:44:08,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:44:08,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:44:08,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:44:08,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:44:08,419 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:44:08,419 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:08,419 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:44:08,419 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_5fc2e210-121e-41f3-807a-1d47f30fc367/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 -> a7349305eeae716fa3a7c11218caa894d6e5121d77db0055a98af7bd7c666586 [2024-12-05 23:44:08,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:44:08,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:44:08,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:44:08,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:44:08,656 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:44:08,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix018.opt.i [2024-12-05 23:44:11,293 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/data/ce144e0ec/418b60971b3445e2a294f9ac91ac94ee/FLAGdb0f70fd6 [2024-12-05 23:44:11,537 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:44:11,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/sv-benchmarks/c/pthread-wmm/mix018.opt.i [2024-12-05 23:44:11,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/data/ce144e0ec/418b60971b3445e2a294f9ac91ac94ee/FLAGdb0f70fd6 [2024-12-05 23:44:11,850 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/data/ce144e0ec/418b60971b3445e2a294f9ac91ac94ee [2024-12-05 23:44:11,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:44:11,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:44:11,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:44:11,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:44:11,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:44:11,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:44:11" (1/1) ... [2024-12-05 23:44:11,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abd11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:11, skipping insertion in model container [2024-12-05 23:44:11,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:44:11" (1/1) ... [2024-12-05 23:44:11,883 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:44:12,003 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_5fc2e210-121e-41f3-807a-1d47f30fc367/sv-benchmarks/c/pthread-wmm/mix018.opt.i[944,957] [2024-12-05 23:44:12,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:44:12,142 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:44:12,152 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_5fc2e210-121e-41f3-807a-1d47f30fc367/sv-benchmarks/c/pthread-wmm/mix018.opt.i[944,957] [2024-12-05 23:44:12,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:44:12,234 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:44:12,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:12 WrapperNode [2024-12-05 23:44:12,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:44:12,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:44:12,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:44:12,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:44:12,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:12" (1/1) ... [2024-12-05 23:44:12,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:12" (1/1) ... [2024-12-05 23:44:12,271 INFO L138 Inliner]: procedures = 177, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2024-12-05 23:44:12,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:44:12,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:44:12,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:44:12,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:44:12,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:12" (1/1) ... [2024-12-05 23:44:12,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:12" (1/1) ... [2024-12-05 23:44:12,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:12" (1/1) ... [2024-12-05 23:44:12,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:12" (1/1) ... [2024-12-05 23:44:12,291 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:12" (1/1) ... [2024-12-05 23:44:12,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:12" (1/1) ... [2024-12-05 23:44:12,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:12" (1/1) ... [2024-12-05 23:44:12,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:12" (1/1) ... [2024-12-05 23:44:12,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:12" (1/1) ... [2024-12-05 23:44:12,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:44:12,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:44:12,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:44:12,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:44:12,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:12" (1/1) ... [2024-12-05 23:44:12,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:44:12,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:44:12,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:44:12,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:44:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:44:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:44:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 23:44:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:44:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:44:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-05 23:44:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-05 23:44:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-05 23:44:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-05 23:44:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-05 23:44:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-05 23:44:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-05 23:44:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-05 23:44:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 23:44:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:44:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:44:12,366 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 23:44:12,486 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:44:12,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:44:12,796 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 23:44:12,797 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:44:12,915 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := (if 0bv8 == ~z$r_buff0_thd0~0 then 0bv8 else 1bv8);~z$r_buff1_thd1~0 := (if 0bv8 == ~z$r_buff0_thd1~0 then 0bv8 else 1bv8);~z$r_buff1_thd2~0 := (if 0bv8 == ~z$r_buff0_thd2~0 then 0bv8 else 1bv8);~z$r_buff1_thd3~0 := (if 0bv8 == ~z$r_buff0_thd3~0 then 0bv8 else 1bv8);~z$r_buff1_thd4~0 := (if 0bv8 == ~z$r_buff0_thd4~0 then 0bv8 else 1bv8);~z$r_buff0_thd4~0 := 1bv8;). 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:123) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:44:12,919 INFO L158 Benchmark]: Toolchain (without parser) took 1065.86ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 47.9MB in the end (delta: 20.7MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-12-05 23:44:12,919 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:44:12,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.48ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 44.0MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:44:12,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.61ms. Allocated memory is still 92.3MB. Free memory was 43.9MB in the beginning and 41.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:44:12,920 INFO L158 Benchmark]: Boogie Preprocessor took 29.01ms. Allocated memory is still 92.3MB. Free memory was 41.9MB in the beginning and 39.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:44:12,921 INFO L158 Benchmark]: RCFGBuilder took 615.72ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 47.9MB in the end (delta: -8.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-12-05 23:44:12,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.48ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 44.0MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.61ms. Allocated memory is still 92.3MB. Free memory was 43.9MB in the beginning and 41.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.01ms. Allocated memory is still 92.3MB. Free memory was 41.9MB in the beginning and 39.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 615.72ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 47.9MB in the end (delta: -8.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := (if 0bv8 == ~z$r_buff0_thd0~0 then 0bv8 else 1bv8);~z$r_buff1_thd1~0 := (if 0bv8 == ~z$r_buff0_thd1~0 then 0bv8 else 1bv8);~z$r_buff1_thd2~0 := (if 0bv8 == ~z$r_buff0_thd2~0 then 0bv8 else 1bv8);~z$r_buff1_thd3~0 := (if 0bv8 == ~z$r_buff0_thd3~0 then 0bv8 else 1bv8);~z$r_buff1_thd4~0 := (if 0bv8 == ~z$r_buff0_thd4~0 then 0bv8 else 1bv8);~z$r_buff0_thd4~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := (if 0bv8 == ~z$r_buff0_thd0~0 then 0bv8 else 1bv8);~z$r_buff1_thd1~0 := (if 0bv8 == ~z$r_buff0_thd1~0 then 0bv8 else 1bv8);~z$r_buff1_thd2~0 := (if 0bv8 == ~z$r_buff0_thd2~0 then 0bv8 else 1bv8);~z$r_buff1_thd3~0 := (if 0bv8 == ~z$r_buff0_thd3~0 then 0bv8 else 1bv8);~z$r_buff1_thd4~0 := (if 0bv8 == ~z$r_buff0_thd4~0 then 0bv8 else 1bv8);~z$r_buff0_thd4~0 := 1bv8;). 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:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:44:12,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc2e210-121e-41f3-807a-1d47f30fc367/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 end of atomic block: ~z$r_buff1_thd0~0 := (if 0bv8 == ~z$r_buff0_thd0~0 then 0bv8 else 1bv8);~z$r_buff1_thd1~0 := (if 0bv8 == ~z$r_buff0_thd1~0 then 0bv8 else 1bv8);~z$r_buff1_thd2~0 := (if 0bv8 == ~z$r_buff0_thd2~0 then 0bv8 else 1bv8);~z$r_buff1_thd3~0 := (if 0bv8 == ~z$r_buff0_thd3~0 then 0bv8 else 1bv8);~z$r_buff1_thd4~0 := (if 0bv8 == ~z$r_buff0_thd4~0 then 0bv8 else 1bv8);~z$r_buff0_thd4~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?