./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix020.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_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/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_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix020.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/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_f2fa6260-f819-4f34-b1b5-5be65195e7b2/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 b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:41:51,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:41:51,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:41:51,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:41:51,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:41:51,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:41:51,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:41:51,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:41:51,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:41:51,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:41:51,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:41:51,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:41:51,511 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:41:51,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:41:51,511 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:41:51,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:41:51,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:41:51,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:41:51,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:41:51,511 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:41:51,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:41:51,512 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:41:51,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:41:51,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:41:51,512 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:41:51,512 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:41:51,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:41:51,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:41:51,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:41:51,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:41:51,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:41:51,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:41:51,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:41:51,513 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_f2fa6260-f819-4f34-b1b5-5be65195e7b2/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 -> b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 [2024-12-06 01:41:51,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:41:51,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:41:51,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:41:51,759 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:41:51,760 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:41:51,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix020.opt.i [2024-12-06 01:41:54,388 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/data/7caa17120/1eed74018d284d2ba499795ff253e24e/FLAG789416595 [2024-12-06 01:41:54,636 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:41:54,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/sv-benchmarks/c/pthread-wmm/mix020.opt.i [2024-12-06 01:41:54,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/data/7caa17120/1eed74018d284d2ba499795ff253e24e/FLAG789416595 [2024-12-06 01:41:54,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/data/7caa17120/1eed74018d284d2ba499795ff253e24e [2024-12-06 01:41:54,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:41:54,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:41:54,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:41:54,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:41:54,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:41:54,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:41:54" (1/1) ... [2024-12-06 01:41:54,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccfd575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:54, skipping insertion in model container [2024-12-06 01:41:54,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:41:54" (1/1) ... [2024-12-06 01:41:55,009 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:41:55,158 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_f2fa6260-f819-4f34-b1b5-5be65195e7b2/sv-benchmarks/c/pthread-wmm/mix020.opt.i[944,957] [2024-12-06 01:41:55,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:41:55,328 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:41:55,336 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_f2fa6260-f819-4f34-b1b5-5be65195e7b2/sv-benchmarks/c/pthread-wmm/mix020.opt.i[944,957] [2024-12-06 01:41:55,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:41:55,423 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:41:55,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:55 WrapperNode [2024-12-06 01:41:55,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:41:55,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:41:55,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:41:55,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:41:55,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:55" (1/1) ... [2024-12-06 01:41:55,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:55" (1/1) ... [2024-12-06 01:41:55,464 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2024-12-06 01:41:55,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:41:55,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:41:55,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:41:55,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:41:55,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:55" (1/1) ... [2024-12-06 01:41:55,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:55" (1/1) ... [2024-12-06 01:41:55,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:55" (1/1) ... [2024-12-06 01:41:55,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:55" (1/1) ... [2024-12-06 01:41:55,481 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:55" (1/1) ... [2024-12-06 01:41:55,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:55" (1/1) ... [2024-12-06 01:41:55,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:55" (1/1) ... [2024-12-06 01:41:55,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:55" (1/1) ... [2024-12-06 01:41:55,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:55" (1/1) ... [2024-12-06 01:41:55,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:41:55,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:41:55,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:41:55,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:41:55,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:55" (1/1) ... [2024-12-06 01:41:55,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:41:55,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:41:55,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:41:55,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:41:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:41:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:41:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 01:41:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:41:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 01:41:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 01:41:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 01:41:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 01:41:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 01:41:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 01:41:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 01:41:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 01:41:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:41:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 01:41:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:41:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:41:55,549 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 01:41:55,661 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:41:55,662 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:41:55,931 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 01:41:55,931 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:41:56,057 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) [2024-12-06 01:41:56,061 INFO L158 Benchmark]: Toolchain (without parser) took 1086.97ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 104.5MB in the end (delta: 11.0MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2024-12-06 01:41:56,062 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:41:56,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.55ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 91.1MB in the end (delta: 24.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:41:56,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.70ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:41:56,063 INFO L158 Benchmark]: Boogie Preprocessor took 25.27ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:41:56,063 INFO L158 Benchmark]: RCFGBuilder took 569.74ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 104.5MB in the end (delta: -17.2MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-06 01:41:56,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.55ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 91.1MB in the end (delta: 24.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.70ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.27ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 569.74ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 104.5MB in the end (delta: -17.2MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$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. [2024-12-06 01:41:56,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/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_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/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_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix020.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/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_f2fa6260-f819-4f34-b1b5-5be65195e7b2/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 b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:41:58,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:41:58,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:41:58,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:41:58,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:41:58,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:41:58,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:41:58,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:41:58,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:41:58,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:41:58,104 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:41:58,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:41:58,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:41:58,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:41:58,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:41:58,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:41:58,104 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:41:58,104 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:41:58,105 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:41:58,105 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:41:58,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:41:58,105 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:41:58,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:41:58,105 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:41:58,105 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:41:58,105 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:41:58,105 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:41:58,105 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:41:58,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:41:58,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:41:58,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:41:58,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:41:58,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:41:58,106 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:41:58,106 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:41:58,106 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:41:58,106 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_f2fa6260-f819-4f34-b1b5-5be65195e7b2/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 -> b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 [2024-12-06 01:41:58,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:41:58,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:41:58,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:41:58,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:41:58,352 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:41:58,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix020.opt.i [2024-12-06 01:42:00,986 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/data/cbfbea65a/0a7cf34788fa44c4a3cc25618adb4d11/FLAG11dc9530e [2024-12-06 01:42:01,225 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:42:01,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/sv-benchmarks/c/pthread-wmm/mix020.opt.i [2024-12-06 01:42:01,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/data/cbfbea65a/0a7cf34788fa44c4a3cc25618adb4d11/FLAG11dc9530e [2024-12-06 01:42:01,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/data/cbfbea65a/0a7cf34788fa44c4a3cc25618adb4d11 [2024-12-06 01:42:01,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:42:01,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:42:01,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:42:01,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:42:01,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:42:01,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:01,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee8fd50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01, skipping insertion in model container [2024-12-06 01:42:01,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:01,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:42:01,701 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_f2fa6260-f819-4f34-b1b5-5be65195e7b2/sv-benchmarks/c/pthread-wmm/mix020.opt.i[944,957] [2024-12-06 01:42:01,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:42:01,854 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:42:01,863 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_f2fa6260-f819-4f34-b1b5-5be65195e7b2/sv-benchmarks/c/pthread-wmm/mix020.opt.i[944,957] [2024-12-06 01:42:01,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:42:01,941 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:42:01,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01 WrapperNode [2024-12-06 01:42:01,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:42:01,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:42:01,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:42:01,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:42:01,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:01,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:01,977 INFO L138 Inliner]: procedures = 177, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2024-12-06 01:42:01,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:42:01,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:42:01,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:42:01,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:42:01,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:01,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:01,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:01,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:01,999 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:02,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:02,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:02,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:02,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:02,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:42:02,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:42:02,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:42:02,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:42:02,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:01" (1/1) ... [2024-12-06 01:42:02,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:42:02,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:42:02,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:42:02,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:42:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:42:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:42:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 01:42:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:42:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:42:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 01:42:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 01:42:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 01:42:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 01:42:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 01:42:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 01:42:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 01:42:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 01:42:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 01:42:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:42:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:42:02,081 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 01:42:02,204 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:42:02,205 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:42:02,496 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 01:42:02,496 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:42:02,635 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:42:02,640 INFO L158 Benchmark]: Toolchain (without parser) took 1085.44ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 47.4MB in the end (delta: 20.4MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-12-06 01:42:02,640 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:42:02,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.65ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 43.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:42:02,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.23ms. Allocated memory is still 92.3MB. Free memory was 43.1MB in the beginning and 41.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:42:02,641 INFO L158 Benchmark]: Boogie Preprocessor took 30.22ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:42:02,642 INFO L158 Benchmark]: RCFGBuilder took 629.00ms. Allocated memory is still 92.3MB. Free memory was 39.0MB in the beginning and 47.4MB in the end (delta: -8.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-06 01:42:02,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.65ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 43.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.23ms. Allocated memory is still 92.3MB. Free memory was 43.1MB in the beginning and 41.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.22ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 629.00ms. Allocated memory is still 92.3MB. Free memory was 39.0MB in the beginning and 47.4MB in the end (delta: -8.4MB). Peak memory consumption was 14.0MB. 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. [2024-12-06 01:42:02,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2fa6260-f819-4f34-b1b5-5be65195e7b2/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?