./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix004.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_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/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_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix004.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/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_d0403a1e-629e-46e9-ab76-789468a8ec4f/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 81dfcecae183e47a2274a923e55daf761c46d6146ab2c58970ae115599afe231 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:44:05,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:44:05,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:44:05,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:44:05,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:44:05,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:44:05,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:44:05,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:44:05,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:44:05,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:44:05,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:44:05,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:44:05,325 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:44:05,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:44:05,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:44:05,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:44:05,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:44:05,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:44:05,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:44:05,326 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:44:05,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:44:05,326 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:44:05,326 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:44:05,326 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:44:05,326 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:44:05,326 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:44:05,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:44:05,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:44:05,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:44:05,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:44:05,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:44:05,327 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:44:05,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:44:05,327 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_d0403a1e-629e-46e9-ab76-789468a8ec4f/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 -> 81dfcecae183e47a2274a923e55daf761c46d6146ab2c58970ae115599afe231 [2024-12-06 02:44:05,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:44:05,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:44:05,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:44:05,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:44:05,542 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:44:05,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix004.oepc.i [2024-12-06 02:44:08,184 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/data/d72aade4b/e108dabd1e754ea2a038be0e150fd31c/FLAG6395a842e [2024-12-06 02:44:08,418 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:44:08,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/sv-benchmarks/c/pthread-wmm/mix004.oepc.i [2024-12-06 02:44:08,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/data/d72aade4b/e108dabd1e754ea2a038be0e150fd31c/FLAG6395a842e [2024-12-06 02:44:08,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/data/d72aade4b/e108dabd1e754ea2a038be0e150fd31c [2024-12-06 02:44:08,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:44:08,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:44:08,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:44:08,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:44:08,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:44:08,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73012bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08, skipping insertion in model container [2024-12-06 02:44:08,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:44:08,633 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_d0403a1e-629e-46e9-ab76-789468a8ec4f/sv-benchmarks/c/pthread-wmm/mix004.oepc.i[945,958] [2024-12-06 02:44:08,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:44:08,784 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:44:08,792 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_d0403a1e-629e-46e9-ab76-789468a8ec4f/sv-benchmarks/c/pthread-wmm/mix004.oepc.i[945,958] [2024-12-06 02:44:08,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:44:08,871 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:44:08,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08 WrapperNode [2024-12-06 02:44:08,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:44:08,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:44:08,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:44:08,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:44:08,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,909 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2024-12-06 02:44:08,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:44:08,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:44:08,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:44:08,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:44:08,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,929 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:44:08,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:44:08,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:44:08,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:44:08,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:08" (1/1) ... [2024-12-06 02:44:08,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:44:08,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:44:08,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:44:08,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:44:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:44:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:44:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 02:44:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:44:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 02:44:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 02:44:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 02:44:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 02:44:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 02:44:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 02:44:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 02:44:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 02:44:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:44:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 02:44:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:44:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:44:09,002 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 02:44:09,126 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:44:09,127 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:44:09,418 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 02:44:09,418 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:44:09,564 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: ~a$r_buff1_thd0~0 := (if 0 == ~a$r_buff0_thd0~0 % 256 then 0 else 1);~a$r_buff1_thd1~0 := (if 0 == ~a$r_buff0_thd1~0 % 256 then 0 else 1);~a$r_buff1_thd2~0 := (if 0 == ~a$r_buff0_thd2~0 % 256 then 0 else 1);~a$r_buff1_thd3~0 := (if 0 == ~a$r_buff0_thd3~0 % 256 then 0 else 1);~a$r_buff1_thd4~0 := (if 0 == ~a$r_buff0_thd4~0 % 256 then 0 else 1);~a$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 02:44:09,569 INFO L158 Benchmark]: Toolchain (without parser) took 1121.09ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 105.1MB in the end (delta: 10.5MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2024-12-06 02:44:09,570 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:09,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.40ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 91.4MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:44:09,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.71ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:09,571 INFO L158 Benchmark]: Boogie Preprocessor took 28.84ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:09,571 INFO L158 Benchmark]: RCFGBuilder took 628.64ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 105.1MB in the end (delta: -17.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-06 02:44:09,573 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.40ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 91.4MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.71ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.84ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 628.64ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 105.1MB in the end (delta: -17.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~a$r_buff1_thd0~0 := (if 0 == ~a$r_buff0_thd0~0 % 256 then 0 else 1);~a$r_buff1_thd1~0 := (if 0 == ~a$r_buff0_thd1~0 % 256 then 0 else 1);~a$r_buff1_thd2~0 := (if 0 == ~a$r_buff0_thd2~0 % 256 then 0 else 1);~a$r_buff1_thd3~0 := (if 0 == ~a$r_buff0_thd3~0 % 256 then 0 else 1);~a$r_buff1_thd4~0 := (if 0 == ~a$r_buff0_thd4~0 % 256 then 0 else 1);~a$r_buff0_thd1~0 := 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: ~a$r_buff1_thd0~0 := (if 0 == ~a$r_buff0_thd0~0 % 256 then 0 else 1);~a$r_buff1_thd1~0 := (if 0 == ~a$r_buff0_thd1~0 % 256 then 0 else 1);~a$r_buff1_thd2~0 := (if 0 == ~a$r_buff0_thd2~0 % 256 then 0 else 1);~a$r_buff1_thd3~0 := (if 0 == ~a$r_buff0_thd3~0 % 256 then 0 else 1);~a$r_buff1_thd4~0 := (if 0 == ~a$r_buff0_thd4~0 % 256 then 0 else 1);~a$r_buff0_thd1~0 := 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 02:44:09,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/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_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/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_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix004.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/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_d0403a1e-629e-46e9-ab76-789468a8ec4f/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 81dfcecae183e47a2274a923e55daf761c46d6146ab2c58970ae115599afe231 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:44:11,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:44:11,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:44:11,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:44:11,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:44:11,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:44:11,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:44:11,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:44:11,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:44:11,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:44:11,578 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:44:11,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:44:11,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:44:11,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:44:11,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:44:11,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:44:11,579 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:44:11,579 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:44:11,579 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:44:11,579 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:44:11,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:44:11,579 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:44:11,579 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:44:11,580 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:44:11,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:44:11,580 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:44:11,580 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:11,580 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:44:11,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:44:11,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:44:11,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:44:11,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:44:11,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:44:11,581 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:44:11,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:11,581 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:44:11,581 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_d0403a1e-629e-46e9-ab76-789468a8ec4f/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 -> 81dfcecae183e47a2274a923e55daf761c46d6146ab2c58970ae115599afe231 [2024-12-06 02:44:11,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:44:11,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:44:11,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:44:11,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:44:11,810 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:44:11,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix004.oepc.i [2024-12-06 02:44:14,546 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/data/ee44e8176/52dbaef9ebc042b69ec8e61627eb83ee/FLAGc3ca65bb3 [2024-12-06 02:44:14,778 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:44:14,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/sv-benchmarks/c/pthread-wmm/mix004.oepc.i [2024-12-06 02:44:14,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/data/ee44e8176/52dbaef9ebc042b69ec8e61627eb83ee/FLAGc3ca65bb3 [2024-12-06 02:44:14,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/data/ee44e8176/52dbaef9ebc042b69ec8e61627eb83ee [2024-12-06 02:44:14,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:44:14,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:44:14,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:44:14,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:44:14,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:44:14,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:44:14" (1/1) ... [2024-12-06 02:44:14,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbe2f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:14, skipping insertion in model container [2024-12-06 02:44:14,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:44:14" (1/1) ... [2024-12-06 02:44:14,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:44:14,995 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_d0403a1e-629e-46e9-ab76-789468a8ec4f/sv-benchmarks/c/pthread-wmm/mix004.oepc.i[945,958] [2024-12-06 02:44:15,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:44:15,160 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:44:15,171 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_d0403a1e-629e-46e9-ab76-789468a8ec4f/sv-benchmarks/c/pthread-wmm/mix004.oepc.i[945,958] [2024-12-06 02:44:15,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:44:15,252 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:44:15,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:15 WrapperNode [2024-12-06 02:44:15,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:44:15,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:44:15,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:44:15,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:44:15,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:15" (1/1) ... [2024-12-06 02:44:15,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:15" (1/1) ... [2024-12-06 02:44:15,291 INFO L138 Inliner]: procedures = 177, calls = 55, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-12-06 02:44:15,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:44:15,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:44:15,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:44:15,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:44:15,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:15" (1/1) ... [2024-12-06 02:44:15,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:15" (1/1) ... [2024-12-06 02:44:15,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:15" (1/1) ... [2024-12-06 02:44:15,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:15" (1/1) ... [2024-12-06 02:44:15,312 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:15" (1/1) ... [2024-12-06 02:44:15,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:15" (1/1) ... [2024-12-06 02:44:15,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:15" (1/1) ... [2024-12-06 02:44:15,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:15" (1/1) ... [2024-12-06 02:44:15,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:15" (1/1) ... [2024-12-06 02:44:15,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:44:15,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:44:15,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:44:15,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:44:15,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:15" (1/1) ... [2024-12-06 02:44:15,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:44:15,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:44:15,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:44:15,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:44:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:44:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:44:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 02:44:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:44:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:44:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 02:44:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 02:44:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 02:44:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 02:44:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 02:44:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 02:44:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 02:44:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 02:44:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 02:44:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:44:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:44:15,391 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 02:44:15,516 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:44:15,517 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:44:15,824 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 02:44:15,824 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:44:15,976 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: ~a$r_buff1_thd0~0 := (if 0bv8 == ~a$r_buff0_thd0~0 then 0bv8 else 1bv8);~a$r_buff1_thd1~0 := (if 0bv8 == ~a$r_buff0_thd1~0 then 0bv8 else 1bv8);~a$r_buff1_thd2~0 := (if 0bv8 == ~a$r_buff0_thd2~0 then 0bv8 else 1bv8);~a$r_buff1_thd3~0 := (if 0bv8 == ~a$r_buff0_thd3~0 then 0bv8 else 1bv8);~a$r_buff1_thd4~0 := (if 0bv8 == ~a$r_buff0_thd4~0 then 0bv8 else 1bv8);~a$r_buff0_thd1~0 := 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:44:15,981 INFO L158 Benchmark]: Toolchain (without parser) took 1170.76ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 49.0MB in the end (delta: 18.9MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-12-06 02:44:15,981 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:15,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.74ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 43.1MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:44:15,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.31ms. Allocated memory is still 92.3MB. Free memory was 43.1MB in the beginning and 41.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:15,982 INFO L158 Benchmark]: Boogie Preprocessor took 29.80ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:15,983 INFO L158 Benchmark]: RCFGBuilder took 657.15ms. Allocated memory is still 92.3MB. Free memory was 39.0MB in the beginning and 49.0MB in the end (delta: -10.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-12-06 02:44:15,985 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.74ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 43.1MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.31ms. 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 29.80ms. 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 657.15ms. Allocated memory is still 92.3MB. Free memory was 39.0MB in the beginning and 49.0MB in the end (delta: -10.0MB). Peak memory consumption was 13.9MB. 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: ~a$r_buff1_thd0~0 := (if 0bv8 == ~a$r_buff0_thd0~0 then 0bv8 else 1bv8);~a$r_buff1_thd1~0 := (if 0bv8 == ~a$r_buff0_thd1~0 then 0bv8 else 1bv8);~a$r_buff1_thd2~0 := (if 0bv8 == ~a$r_buff0_thd2~0 then 0bv8 else 1bv8);~a$r_buff1_thd3~0 := (if 0bv8 == ~a$r_buff0_thd3~0 then 0bv8 else 1bv8);~a$r_buff1_thd4~0 := (if 0bv8 == ~a$r_buff0_thd4~0 then 0bv8 else 1bv8);~a$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~a$r_buff1_thd0~0 := (if 0bv8 == ~a$r_buff0_thd0~0 then 0bv8 else 1bv8);~a$r_buff1_thd1~0 := (if 0bv8 == ~a$r_buff0_thd1~0 then 0bv8 else 1bv8);~a$r_buff1_thd2~0 := (if 0bv8 == ~a$r_buff0_thd2~0 then 0bv8 else 1bv8);~a$r_buff1_thd3~0 := (if 0bv8 == ~a$r_buff0_thd3~0 then 0bv8 else 1bv8);~a$r_buff1_thd4~0 := (if 0bv8 == ~a$r_buff0_thd4~0 then 0bv8 else 1bv8);~a$r_buff0_thd1~0 := 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 02:44:16,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0403a1e-629e-46e9-ab76-789468a8ec4f/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: ~a$r_buff1_thd0~0 := (if 0bv8 == ~a$r_buff0_thd0~0 then 0bv8 else 1bv8);~a$r_buff1_thd1~0 := (if 0bv8 == ~a$r_buff0_thd1~0 then 0bv8 else 1bv8);~a$r_buff1_thd2~0 := (if 0bv8 == ~a$r_buff0_thd2~0 then 0bv8 else 1bv8);~a$r_buff1_thd3~0 := (if 0bv8 == ~a$r_buff0_thd3~0 then 0bv8 else 1bv8);~a$r_buff1_thd4~0 := (if 0bv8 == ~a$r_buff0_thd4~0 then 0bv8 else 1bv8);~a$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?