./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.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_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/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_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/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_2ef64509-5088-4faf-8399-5af8b9d7c4e0/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 1821be0ec0c098ba0cd2fb39edc7421f58889218b21285544a5e01e847e429e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:42:14,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:42:14,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:42:14,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:42:14,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:42:14,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:42:14,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:42:14,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:42:14,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:42:14,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:42:14,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:42:14,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:42:14,517 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:42:14,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:42:14,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:42:14,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:42:14,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:42:14,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:42:14,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:42:14,517 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:42:14,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:42:14,518 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:42:14,518 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:42:14,518 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:42:14,518 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:42:14,518 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:42:14,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:42:14,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:42:14,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:42:14,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:42:14,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:42:14,518 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:42:14,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:42:14,518 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_2ef64509-5088-4faf-8399-5af8b9d7c4e0/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 -> 1821be0ec0c098ba0cd2fb39edc7421f58889218b21285544a5e01e847e429e6 [2024-12-06 04:42:14,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:42:14,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:42:14,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:42:14,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:42:14,736 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:42:14,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i [2024-12-06 04:42:17,400 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/data/d22e17516/c92c0587bda54193a949be0640b87553/FLAG3d906d82b [2024-12-06 04:42:17,657 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:42:17,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i [2024-12-06 04:42:17,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/data/d22e17516/c92c0587bda54193a949be0640b87553/FLAG3d906d82b [2024-12-06 04:42:17,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/data/d22e17516/c92c0587bda54193a949be0640b87553 [2024-12-06 04:42:17,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:42:17,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:42:17,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:42:17,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:42:17,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:42:17,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:42:17" (1/1) ... [2024-12-06 04:42:17,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fbffd4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:17, skipping insertion in model container [2024-12-06 04:42:17,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:42:17" (1/1) ... [2024-12-06 04:42:18,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:42:18,156 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_2ef64509-5088-4faf-8399-5af8b9d7c4e0/sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i[949,962] [2024-12-06 04:42:18,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:42:18,317 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:42:18,327 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_2ef64509-5088-4faf-8399-5af8b9d7c4e0/sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i[949,962] [2024-12-06 04:42:18,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:42:18,404 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:42:18,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:18 WrapperNode [2024-12-06 04:42:18,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:42:18,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:42:18,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:42:18,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:42:18,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:18" (1/1) ... [2024-12-06 04:42:18,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:18" (1/1) ... [2024-12-06 04:42:18,438 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2024-12-06 04:42:18,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:42:18,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:42:18,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:42:18,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:42:18,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:18" (1/1) ... [2024-12-06 04:42:18,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:18" (1/1) ... [2024-12-06 04:42:18,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:18" (1/1) ... [2024-12-06 04:42:18,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:18" (1/1) ... [2024-12-06 04:42:18,455 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:18" (1/1) ... [2024-12-06 04:42:18,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:18" (1/1) ... [2024-12-06 04:42:18,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:18" (1/1) ... [2024-12-06 04:42:18,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:18" (1/1) ... [2024-12-06 04:42:18,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:18" (1/1) ... [2024-12-06 04:42:18,464 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:42:18,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:42:18,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:42:18,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:42:18,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:18" (1/1) ... [2024-12-06 04:42:18,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:42:18,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:42:18,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:42:18,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:42:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:42:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:42:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 04:42:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:42:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 04:42:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 04:42:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 04:42:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 04:42:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 04:42:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 04:42:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 04:42:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 04:42:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:42:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 04:42:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:42:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:42:18,524 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 04:42:18,640 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:42:18,642 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:42:18,910 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 04:42:18,910 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:42:19,029 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: ~y$r_buff1_thd0~0 := (if 0 == ~y$r_buff0_thd0~0 % 256 then 0 else 1);~y$r_buff1_thd1~0 := (if 0 == ~y$r_buff0_thd1~0 % 256 then 0 else 1);~y$r_buff1_thd2~0 := (if 0 == ~y$r_buff0_thd2~0 % 256 then 0 else 1);~y$r_buff1_thd3~0 := (if 0 == ~y$r_buff0_thd3~0 % 256 then 0 else 1);~y$r_buff1_thd4~0 := (if 0 == ~y$r_buff0_thd4~0 % 256 then 0 else 1);~y$r_buff0_thd3~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2024-12-06 04:42:19,034 INFO L158 Benchmark]: Toolchain (without parser) took 1055.72ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 102.8MB in the end (delta: 15.2MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-12-06 04:42:19,035 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:42:19,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.56ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 94.2MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:42:19,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.28ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 91.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:42:19,036 INFO L158 Benchmark]: Boogie Preprocessor took 25.59ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 90.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:42:19,036 INFO L158 Benchmark]: RCFGBuilder took 568.09ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 102.8MB in the end (delta: -12.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-12-06 04:42:19,038 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.56ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 94.2MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.28ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 91.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.59ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 90.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 568.09ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 102.8MB in the end (delta: -12.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := (if 0 == ~y$r_buff0_thd0~0 % 256 then 0 else 1);~y$r_buff1_thd1~0 := (if 0 == ~y$r_buff0_thd1~0 % 256 then 0 else 1);~y$r_buff1_thd2~0 := (if 0 == ~y$r_buff0_thd2~0 % 256 then 0 else 1);~y$r_buff1_thd3~0 := (if 0 == ~y$r_buff0_thd3~0 % 256 then 0 else 1);~y$r_buff1_thd4~0 := (if 0 == ~y$r_buff0_thd4~0 % 256 then 0 else 1);~y$r_buff0_thd3~0 := 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: ~y$r_buff1_thd0~0 := (if 0 == ~y$r_buff0_thd0~0 % 256 then 0 else 1);~y$r_buff1_thd1~0 := (if 0 == ~y$r_buff0_thd1~0 % 256 then 0 else 1);~y$r_buff1_thd2~0 := (if 0 == ~y$r_buff0_thd2~0 % 256 then 0 else 1);~y$r_buff1_thd3~0 := (if 0 == ~y$r_buff0_thd3~0 % 256 then 0 else 1);~y$r_buff1_thd4~0 := (if 0 == ~y$r_buff0_thd4~0 % 256 then 0 else 1);~y$r_buff0_thd3~0 := 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. [2024-12-06 04:42:19,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/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_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/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_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/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_2ef64509-5088-4faf-8399-5af8b9d7c4e0/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 1821be0ec0c098ba0cd2fb39edc7421f58889218b21285544a5e01e847e429e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:42:21,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:42:21,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:42:21,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:42:21,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:42:21,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:42:21,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:42:21,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:42:21,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:42:21,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:42:21,111 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:42:21,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:42:21,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:42:21,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:42:21,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:42:21,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:42:21,112 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:42:21,112 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:42:21,112 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:42:21,112 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:42:21,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:42:21,112 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:42:21,113 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:42:21,113 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:42:21,113 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:42:21,113 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:42:21,113 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:21,113 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:42:21,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:42:21,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:42:21,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:42:21,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:42:21,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:42:21,114 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:42:21,114 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:21,114 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:42:21,114 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_2ef64509-5088-4faf-8399-5af8b9d7c4e0/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 -> 1821be0ec0c098ba0cd2fb39edc7421f58889218b21285544a5e01e847e429e6 [2024-12-06 04:42:21,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:42:21,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:42:21,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:42:21,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:42:21,349 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:42:21,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i [2024-12-06 04:42:23,996 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/data/a252e4936/89a4f38f350d404ea8b42d8a97d493f8/FLAG0967d333e [2024-12-06 04:42:24,214 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:42:24,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i [2024-12-06 04:42:24,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/data/a252e4936/89a4f38f350d404ea8b42d8a97d493f8/FLAG0967d333e [2024-12-06 04:42:24,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/data/a252e4936/89a4f38f350d404ea8b42d8a97d493f8 [2024-12-06 04:42:24,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:42:24,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:42:24,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:42:24,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:42:24,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:42:24,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa45c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24, skipping insertion in model container [2024-12-06 04:42:24,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:42:24,428 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_2ef64509-5088-4faf-8399-5af8b9d7c4e0/sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i[949,962] [2024-12-06 04:42:24,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:42:24,617 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:42:24,627 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_2ef64509-5088-4faf-8399-5af8b9d7c4e0/sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i[949,962] [2024-12-06 04:42:24,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:42:24,701 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:42:24,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24 WrapperNode [2024-12-06 04:42:24,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:42:24,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:42:24,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:42:24,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:42:24,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,742 INFO L138 Inliner]: procedures = 177, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2024-12-06 04:42:24,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:42:24,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:42:24,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:42:24,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:42:24,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,763 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:42:24,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:42:24,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:42:24,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:42:24,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:42:24" (1/1) ... [2024-12-06 04:42:24,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:42:24,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:42:24,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:42:24,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:42:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:42:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:42:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 04:42:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:42:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:42:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 04:42:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 04:42:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 04:42:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 04:42:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 04:42:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 04:42:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 04:42:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 04:42:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 04:42:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:42:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:42:24,842 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 04:42:24,955 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:42:24,957 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:42:25,240 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 04:42:25,240 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:42:25,371 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: ~y$r_buff1_thd0~0 := (if 0bv8 == ~y$r_buff0_thd0~0 then 0bv8 else 1bv8);~y$r_buff1_thd1~0 := (if 0bv8 == ~y$r_buff0_thd1~0 then 0bv8 else 1bv8);~y$r_buff1_thd2~0 := (if 0bv8 == ~y$r_buff0_thd2~0 then 0bv8 else 1bv8);~y$r_buff1_thd3~0 := (if 0bv8 == ~y$r_buff0_thd3~0 then 0bv8 else 1bv8);~y$r_buff1_thd4~0 := (if 0bv8 == ~y$r_buff0_thd4~0 then 0bv8 else 1bv8);~y$r_buff0_thd3~0 := 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:42:25,375 INFO L158 Benchmark]: Toolchain (without parser) took 1128.06ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 51.8MB in the end (delta: 16.5MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-12-06 04:42:25,375 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:42:25,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.29ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 44.0MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:42:25,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.92ms. Allocated memory is still 92.3MB. Free memory was 44.0MB in the beginning and 41.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:42:25,376 INFO L158 Benchmark]: Boogie Preprocessor took 28.74ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 39.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:42:25,377 INFO L158 Benchmark]: RCFGBuilder took 601.54ms. Allocated memory is still 92.3MB. Free memory was 39.7MB in the beginning and 51.8MB in the end (delta: -12.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-12-06 04:42:25,379 INFO L338 ainManager$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 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.29ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 44.0MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.92ms. Allocated memory is still 92.3MB. Free memory was 44.0MB in the beginning and 41.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.74ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 39.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 601.54ms. Allocated memory is still 92.3MB. Free memory was 39.7MB in the beginning and 51.8MB in the end (delta: -12.1MB). Peak memory consumption was 14.4MB. 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: ~y$r_buff1_thd0~0 := (if 0bv8 == ~y$r_buff0_thd0~0 then 0bv8 else 1bv8);~y$r_buff1_thd1~0 := (if 0bv8 == ~y$r_buff0_thd1~0 then 0bv8 else 1bv8);~y$r_buff1_thd2~0 := (if 0bv8 == ~y$r_buff0_thd2~0 then 0bv8 else 1bv8);~y$r_buff1_thd3~0 := (if 0bv8 == ~y$r_buff0_thd3~0 then 0bv8 else 1bv8);~y$r_buff1_thd4~0 := (if 0bv8 == ~y$r_buff0_thd4~0 then 0bv8 else 1bv8);~y$r_buff0_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := (if 0bv8 == ~y$r_buff0_thd0~0 then 0bv8 else 1bv8);~y$r_buff1_thd1~0 := (if 0bv8 == ~y$r_buff0_thd1~0 then 0bv8 else 1bv8);~y$r_buff1_thd2~0 := (if 0bv8 == ~y$r_buff0_thd2~0 then 0bv8 else 1bv8);~y$r_buff1_thd3~0 := (if 0bv8 == ~y$r_buff0_thd3~0 then 0bv8 else 1bv8);~y$r_buff1_thd4~0 := (if 0bv8 == ~y$r_buff0_thd4~0 then 0bv8 else 1bv8);~y$r_buff0_thd3~0 := 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. [2024-12-06 04:42:25,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef64509-5088-4faf-8399-5af8b9d7c4e0/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: ~y$r_buff1_thd0~0 := (if 0bv8 == ~y$r_buff0_thd0~0 then 0bv8 else 1bv8);~y$r_buff1_thd1~0 := (if 0bv8 == ~y$r_buff0_thd1~0 then 0bv8 else 1bv8);~y$r_buff1_thd2~0 := (if 0bv8 == ~y$r_buff0_thd2~0 then 0bv8 else 1bv8);~y$r_buff1_thd3~0 := (if 0bv8 == ~y$r_buff0_thd3~0 then 0bv8 else 1bv8);~y$r_buff1_thd4~0 := (if 0bv8 == ~y$r_buff0_thd4~0 then 0bv8 else 1bv8);~y$r_buff0_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?