./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.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_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/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_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/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_8052f3ce-76cc-4c56-8975-07ea795846c2/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 98d8aefe0e01e05845b14b6dd9685e093c9c5c7f8cc89a689bcb4822a773c420 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:08:46,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:08:47,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:08:47,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:08:47,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:08:47,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:08:47,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:08:47,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:08:47,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:08:47,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:08:47,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:08:47,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:08:47,033 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:08:47,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:08:47,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:08:47,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:08:47,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:08:47,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:08:47,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:08:47,033 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:08:47,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:08:47,034 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:08:47,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:08:47,034 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:08:47,034 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:08:47,034 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:08:47,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:08:47,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:08:47,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:08:47,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:08:47,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:08:47,035 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:08:47,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:08:47,035 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_8052f3ce-76cc-4c56-8975-07ea795846c2/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 -> 98d8aefe0e01e05845b14b6dd9685e093c9c5c7f8cc89a689bcb4822a773c420 [2024-12-06 06:08:47,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:08:47,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:08:47,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:08:47,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:08:47,267 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:08:47,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i [2024-12-06 06:08:49,878 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/data/633f389a4/ad64e4aae65648178bdf50f30caa72e6/FLAGa59792a83 [2024-12-06 06:08:50,173 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:08:50,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i [2024-12-06 06:08:50,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/data/633f389a4/ad64e4aae65648178bdf50f30caa72e6/FLAGa59792a83 [2024-12-06 06:08:50,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/data/633f389a4/ad64e4aae65648178bdf50f30caa72e6 [2024-12-06 06:08:50,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:08:50,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:08:50,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:08:50,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:08:50,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:08:50,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd45543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50, skipping insertion in model container [2024-12-06 06:08:50,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:08:50,640 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_8052f3ce-76cc-4c56-8975-07ea795846c2/sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i[1001,1014] [2024-12-06 06:08:50,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:08:50,813 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:08:50,822 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_8052f3ce-76cc-4c56-8975-07ea795846c2/sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i[1001,1014] [2024-12-06 06:08:50,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:08:50,910 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:08:50,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50 WrapperNode [2024-12-06 06:08:50,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:08:50,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:08:50,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:08:50,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:08:50,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,957 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2024-12-06 06:08:50,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:08:50,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:08:50,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:08:50,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:08:50,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,979 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:08:50,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:08:50,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:08:50,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:08:50,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:50" (1/1) ... [2024-12-06 06:08:50,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:08:51,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:08:51,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:08:51,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:08:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 06:08:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 06:08:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 06:08:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:08:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 06:08:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 06:08:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 06:08:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 06:08:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 06:08:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 06:08:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 06:08:51,054 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 06:08:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:08:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 06:08:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:08:51,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:08:51,055 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 06:08:51,176 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:08:51,178 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:08:51,511 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 06:08:51,511 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:08:51,666 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: ~x$r_buff1_thd0~0 := (if 0 == ~x$r_buff0_thd0~0 % 256 then 0 else 1);~x$r_buff1_thd1~0 := (if 0 == ~x$r_buff0_thd1~0 % 256 then 0 else 1);~x$r_buff1_thd2~0 := (if 0 == ~x$r_buff0_thd2~0 % 256 then 0 else 1);~x$r_buff1_thd3~0 := (if 0 == ~x$r_buff0_thd3~0 % 256 then 0 else 1);~x$r_buff1_thd4~0 := (if 0 == ~x$r_buff0_thd4~0 % 256 then 0 else 1);~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 06:08:51,673 INFO L158 Benchmark]: Toolchain (without parser) took 1198.10ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 77.1MB in the end (delta: 14.8MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-12-06 06:08:51,673 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:51,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.27ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 68.1MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:08:51,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.24ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 65.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:51,674 INFO L158 Benchmark]: Boogie Preprocessor took 32.02ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:51,674 INFO L158 Benchmark]: RCFGBuilder took 679.76ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 77.1MB in the end (delta: -12.8MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-12-06 06:08:51,677 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.27ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 68.1MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.24ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 65.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.02ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 679.76ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 77.1MB in the end (delta: -12.8MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0 == ~x$r_buff0_thd0~0 % 256 then 0 else 1);~x$r_buff1_thd1~0 := (if 0 == ~x$r_buff0_thd1~0 % 256 then 0 else 1);~x$r_buff1_thd2~0 := (if 0 == ~x$r_buff0_thd2~0 % 256 then 0 else 1);~x$r_buff1_thd3~0 := (if 0 == ~x$r_buff0_thd3~0 % 256 then 0 else 1);~x$r_buff1_thd4~0 := (if 0 == ~x$r_buff0_thd4~0 % 256 then 0 else 1);~x$r_buff0_thd2~0 := 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: ~x$r_buff1_thd0~0 := (if 0 == ~x$r_buff0_thd0~0 % 256 then 0 else 1);~x$r_buff1_thd1~0 := (if 0 == ~x$r_buff0_thd1~0 % 256 then 0 else 1);~x$r_buff1_thd2~0 := (if 0 == ~x$r_buff0_thd2~0 % 256 then 0 else 1);~x$r_buff1_thd3~0 := (if 0 == ~x$r_buff0_thd3~0 % 256 then 0 else 1);~x$r_buff1_thd4~0 := (if 0 == ~x$r_buff0_thd4~0 % 256 then 0 else 1);~x$r_buff0_thd2~0 := 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 06:08:51,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/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_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/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_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/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_8052f3ce-76cc-4c56-8975-07ea795846c2/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 98d8aefe0e01e05845b14b6dd9685e093c9c5c7f8cc89a689bcb4822a773c420 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:08:53,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:08:53,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 06:08:53,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:08:53,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:08:53,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:08:53,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:08:53,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:08:53,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:08:53,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:08:53,823 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:08:53,823 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:08:53,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:08:53,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:08:53,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:08:53,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:08:53,824 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:08:53,824 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:08:53,824 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:08:53,824 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:08:53,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:08:53,824 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:08:53,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:08:53,824 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:08:53,824 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:08:53,824 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:08:53,825 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:53,825 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:08:53,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:08:53,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:08:53,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:08:53,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:08:53,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:08:53,825 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:08:53,825 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:53,825 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:08:53,826 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_8052f3ce-76cc-4c56-8975-07ea795846c2/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 -> 98d8aefe0e01e05845b14b6dd9685e093c9c5c7f8cc89a689bcb4822a773c420 [2024-12-06 06:08:54,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:08:54,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:08:54,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:08:54,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:08:54,110 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:08:54,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i [2024-12-06 06:08:56,812 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/data/6d58a36b2/f5d6c862306b41d39864295dbb2ce339/FLAG428e3efea [2024-12-06 06:08:57,062 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:08:57,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i [2024-12-06 06:08:57,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/data/6d58a36b2/f5d6c862306b41d39864295dbb2ce339/FLAG428e3efea [2024-12-06 06:08:57,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/data/6d58a36b2/f5d6c862306b41d39864295dbb2ce339 [2024-12-06 06:08:57,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:08:57,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:08:57,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:08:57,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:08:57,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:08:57,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1329e168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57, skipping insertion in model container [2024-12-06 06:08:57,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,145 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:08:57,311 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_8052f3ce-76cc-4c56-8975-07ea795846c2/sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i[1001,1014] [2024-12-06 06:08:57,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:08:57,495 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:08:57,507 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_8052f3ce-76cc-4c56-8975-07ea795846c2/sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i[1001,1014] [2024-12-06 06:08:57,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:08:57,604 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:08:57,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57 WrapperNode [2024-12-06 06:08:57,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:08:57,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:08:57,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:08:57,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:08:57,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,652 INFO L138 Inliner]: procedures = 177, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2024-12-06 06:08:57,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:08:57,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:08:57,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:08:57,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:08:57,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,677 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:08:57,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:08:57,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:08:57,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:08:57,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:08:57" (1/1) ... [2024-12-06 06:08:57,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:08:57,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:08:57,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:08:57,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:08:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 06:08:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 06:08:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 06:08:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:08:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:08:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 06:08:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 06:08:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 06:08:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 06:08:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 06:08:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 06:08:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 06:08:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 06:08:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 06:08:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:08:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:08:57,768 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 06:08:57,928 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:08:57,930 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:08:58,277 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 06:08:58,277 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:08:58,397 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: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff1_thd3~0 := (if 0bv8 == ~x$r_buff0_thd3~0 then 0bv8 else 1bv8);~x$r_buff1_thd4~0 := (if 0bv8 == ~x$r_buff0_thd4~0 then 0bv8 else 1bv8);~x$r_buff0_thd2~0 := 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 06:08:58,402 INFO L158 Benchmark]: Toolchain (without parser) took 1302.39ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 54.2MB in the end (delta: 14.2MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-12-06 06:08:58,402 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:58,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.63ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 44.0MB in the end (delta: 24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:08:58,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.92ms. Allocated memory is still 92.3MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:58,403 INFO L158 Benchmark]: Boogie Preprocessor took 32.49ms. Allocated memory is still 92.3MB. Free memory was 41.9MB in the beginning and 39.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:58,404 INFO L158 Benchmark]: RCFGBuilder took 713.75ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 54.2MB in the end (delta: -14.2MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-12-06 06:08:58,406 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.63ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 44.0MB in the end (delta: 24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.92ms. Allocated memory is still 92.3MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.49ms. Allocated memory is still 92.3MB. Free memory was 41.9MB in the beginning and 39.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 713.75ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 54.2MB in the end (delta: -14.2MB). Peak memory consumption was 22.7MB. 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: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff1_thd3~0 := (if 0bv8 == ~x$r_buff0_thd3~0 then 0bv8 else 1bv8);~x$r_buff1_thd4~0 := (if 0bv8 == ~x$r_buff0_thd4~0 then 0bv8 else 1bv8);~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff1_thd3~0 := (if 0bv8 == ~x$r_buff0_thd3~0 then 0bv8 else 1bv8);~x$r_buff1_thd4~0 := (if 0bv8 == ~x$r_buff0_thd4~0 then 0bv8 else 1bv8);~x$r_buff0_thd2~0 := 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 06:08:58,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8052f3ce-76cc-4c56-8975-07ea795846c2/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: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff1_thd3~0 := (if 0bv8 == ~x$r_buff0_thd3~0 then 0bv8 else 1bv8);~x$r_buff1_thd4~0 := (if 0bv8 == ~x$r_buff0_thd4~0 then 0bv8 else 1bv8);~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?