./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe012_power.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_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe012_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3 --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 697ff70a4856546a25a8cc2eb04fc80299855e02086960ffcc9a4790310db5da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:04:04,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:04:04,839 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:04:04,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:04:04,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:04:04,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:04:04,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:04:04,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:04:04,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:04:04,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:04:04,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:04:04,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:04:04,901 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:04:04,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:04:04,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:04:04,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:04:04,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:04:04,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:04:04,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:04:04,904 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:04:04,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:04:04,905 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:04:04,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:04:04,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:04:04,905 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:04:04,905 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:04:04,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:04:04,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:04:04,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:04:04,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:04:04,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:04:04,906 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:04:04,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:04:04,906 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_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3 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 -> 697ff70a4856546a25a8cc2eb04fc80299855e02086960ffcc9a4790310db5da [2024-11-25 05:04:05,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:04:05,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:04:05,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:04:05,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:04:05,315 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:04:05,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-wmm/safe012_power.opt.i [2024-11-25 05:04:08,406 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/data/5037a554a/a7092a1394a248d5a4924a24c54c2075/FLAG969bdab15 [2024-11-25 05:04:08,792 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:04:08,793 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/sv-benchmarks/c/pthread-wmm/safe012_power.opt.i [2024-11-25 05:04:08,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/data/5037a554a/a7092a1394a248d5a4924a24c54c2075/FLAG969bdab15 [2024-11-25 05:04:08,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/data/5037a554a/a7092a1394a248d5a4924a24c54c2075 [2024-11-25 05:04:08,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:04:08,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:04:08,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:04:08,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:04:08,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:04:08,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:04:08" (1/1) ... [2024-11-25 05:04:08,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2604bc3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:08, skipping insertion in model container [2024-11-25 05:04:08,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:04:08" (1/1) ... [2024-11-25 05:04:08,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:04:09,133 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_91de51e7-ddea-4a5d-a6fb-22d6a776917c/sv-benchmarks/c/pthread-wmm/safe012_power.opt.i[951,964] [2024-11-25 05:04:09,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:04:09,576 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:04:09,591 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_91de51e7-ddea-4a5d-a6fb-22d6a776917c/sv-benchmarks/c/pthread-wmm/safe012_power.opt.i[951,964] [2024-11-25 05:04:09,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:04:09,763 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:04:09,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:09 WrapperNode [2024-11-25 05:04:09,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:04:09,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:04:09,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:04:09,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:04:09,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:09" (1/1) ... [2024-11-25 05:04:09,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:09" (1/1) ... [2024-11-25 05:04:09,835 INFO L138 Inliner]: procedures = 175, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2024-11-25 05:04:09,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:04:09,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:04:09,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:04:09,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:04:09,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:09" (1/1) ... [2024-11-25 05:04:09,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:09" (1/1) ... [2024-11-25 05:04:09,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:09" (1/1) ... [2024-11-25 05:04:09,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:09" (1/1) ... [2024-11-25 05:04:09,886 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:09" (1/1) ... [2024-11-25 05:04:09,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:09" (1/1) ... [2024-11-25 05:04:09,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:09" (1/1) ... [2024-11-25 05:04:09,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:09" (1/1) ... [2024-11-25 05:04:09,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:09" (1/1) ... [2024-11-25 05:04:09,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:04:09,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:04:09,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:04:09,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:04:09,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:09" (1/1) ... [2024-11-25 05:04:09,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:04:09,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:04:09,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:04:09,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:04:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 05:04:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:04:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:04:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 05:04:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 05:04:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:04:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-25 05:04:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-25 05:04:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-25 05:04:09,997 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-25 05:04:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-25 05:04:09,997 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-25 05:04:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:04:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 05:04:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:04:09,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:04:10,000 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 05:04:10,219 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:04:10,220 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:04:10,911 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 05:04:10,911 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:04:11,367 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := (if 0 == ~y$r_buff0_thd0~0 % 256 then 0 else 1);~y$r_buff1_thd1~0 := (if 0 == ~y$r_buff0_thd1~0 % 256 then 0 else 1);~y$r_buff1_thd2~0 := (if 0 == ~y$r_buff0_thd2~0 % 256 then 0 else 1);~y$r_buff1_thd3~0 := (if 0 == ~y$r_buff0_thd3~0 % 256 then 0 else 1);~y$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2024-11-25 05:04:11,376 INFO L158 Benchmark]: Toolchain (without parser) took 2526.36ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 38.3MB in the end (delta: 53.2MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2024-11-25 05:04:11,377 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:04:11,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 915.92ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 67.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:04:11,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.20ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 64.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:04:11,382 INFO L158 Benchmark]: Boogie Preprocessor took 64.28ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 62.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:04:11,383 INFO L158 Benchmark]: RCFGBuilder took 1470.60ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 38.3MB in the end (delta: 24.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-11-25 05:04:11,385 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 915.92ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 67.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.20ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 64.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.28ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 62.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1470.60ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 38.3MB in the end (delta: 24.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := (if 0 == ~y$r_buff0_thd0~0 % 256 then 0 else 1);~y$r_buff1_thd1~0 := (if 0 == ~y$r_buff0_thd1~0 % 256 then 0 else 1);~y$r_buff1_thd2~0 := (if 0 == ~y$r_buff0_thd2~0 % 256 then 0 else 1);~y$r_buff1_thd3~0 := (if 0 == ~y$r_buff0_thd3~0 % 256 then 0 else 1);~y$r_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: ~y$r_buff1_thd0~0 := (if 0 == ~y$r_buff0_thd0~0 % 256 then 0 else 1);~y$r_buff1_thd1~0 := (if 0 == ~y$r_buff0_thd1~0 % 256 then 0 else 1);~y$r_buff1_thd2~0 := (if 0 == ~y$r_buff0_thd2~0 % 256 then 0 else 1);~y$r_buff1_thd3~0 := (if 0 == ~y$r_buff0_thd3~0 % 256 then 0 else 1);~y$r_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. [2024-11-25 05:04:11,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/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_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe012_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3 --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 697ff70a4856546a25a8cc2eb04fc80299855e02086960ffcc9a4790310db5da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:04:14,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:04:14,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:04:15,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:04:15,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:04:15,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:04:15,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:04:15,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:04:15,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:04:15,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:04:15,051 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:04:15,051 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:04:15,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:04:15,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:04:15,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:04:15,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:04:15,053 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:04:15,053 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:04:15,054 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:04:15,054 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:04:15,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:04:15,054 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:04:15,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:04:15,054 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:04:15,054 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:04:15,055 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:04:15,055 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:04:15,055 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:04:15,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:04:15,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:04:15,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:04:15,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:04:15,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:04:15,056 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:04:15,056 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:04:15,056 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:04:15,057 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_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3 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 -> 697ff70a4856546a25a8cc2eb04fc80299855e02086960ffcc9a4790310db5da [2024-11-25 05:04:15,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:04:15,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:04:15,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:04:15,530 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:04:15,531 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:04:15,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-wmm/safe012_power.opt.i [2024-11-25 05:04:19,248 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/data/a7fb427e3/18a77fa5fb3b47d9968260309e33f6d5/FLAGf24ed628a [2024-11-25 05:04:19,758 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:04:19,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/sv-benchmarks/c/pthread-wmm/safe012_power.opt.i [2024-11-25 05:04:19,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/data/a7fb427e3/18a77fa5fb3b47d9968260309e33f6d5/FLAGf24ed628a [2024-11-25 05:04:19,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/data/a7fb427e3/18a77fa5fb3b47d9968260309e33f6d5 [2024-11-25 05:04:19,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:04:19,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:04:19,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:04:19,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:04:19,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:04:19,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:04:19" (1/1) ... [2024-11-25 05:04:19,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28748fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:19, skipping insertion in model container [2024-11-25 05:04:19,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:04:19" (1/1) ... [2024-11-25 05:04:19,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:04:20,182 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_91de51e7-ddea-4a5d-a6fb-22d6a776917c/sv-benchmarks/c/pthread-wmm/safe012_power.opt.i[951,964] [2024-11-25 05:04:20,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:04:20,536 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:04:20,552 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_91de51e7-ddea-4a5d-a6fb-22d6a776917c/sv-benchmarks/c/pthread-wmm/safe012_power.opt.i[951,964] [2024-11-25 05:04:20,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:04:20,695 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:04:20,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:20 WrapperNode [2024-11-25 05:04:20,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:04:20,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:04:20,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:04:20,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:04:20,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:20" (1/1) ... [2024-11-25 05:04:20,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:20" (1/1) ... [2024-11-25 05:04:20,777 INFO L138 Inliner]: procedures = 179, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 121 [2024-11-25 05:04:20,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:04:20,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:04:20,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:04:20,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:04:20,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:20" (1/1) ... [2024-11-25 05:04:20,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:20" (1/1) ... [2024-11-25 05:04:20,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:20" (1/1) ... [2024-11-25 05:04:20,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:20" (1/1) ... [2024-11-25 05:04:20,817 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:20" (1/1) ... [2024-11-25 05:04:20,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:20" (1/1) ... [2024-11-25 05:04:20,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:20" (1/1) ... [2024-11-25 05:04:20,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:20" (1/1) ... [2024-11-25 05:04:20,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:20" (1/1) ... [2024-11-25 05:04:20,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:04:20,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:04:20,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:04:20,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:04:20,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:20" (1/1) ... [2024-11-25 05:04:20,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:04:20,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:04:20,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:04:20,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:04:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 05:04:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:04:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:04:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 05:04:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:04:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 05:04:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:04:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-25 05:04:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-25 05:04:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-25 05:04:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-25 05:04:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-25 05:04:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-25 05:04:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-25 05:04:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 05:04:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:04:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:04:20,934 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 05:04:21,151 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:04:21,153 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:04:21,762 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 05:04:21,762 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:04:22,183 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := (if 0bv8 == ~y$r_buff0_thd0~0 then 0bv8 else 1bv8);~y$r_buff1_thd1~0 := (if 0bv8 == ~y$r_buff0_thd1~0 then 0bv8 else 1bv8);~y$r_buff1_thd2~0 := (if 0bv8 == ~y$r_buff0_thd2~0 then 0bv8 else 1bv8);~y$r_buff1_thd3~0 := (if 0bv8 == ~y$r_buff0_thd3~0 then 0bv8 else 1bv8);~y$r_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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 05:04:22,190 INFO L158 Benchmark]: Toolchain (without parser) took 2365.08ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 36.9MB in the end (delta: 19.8MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2024-11-25 05:04:22,190 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 18.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:04:22,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 869.41ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 31.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:04:22,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.05ms. Allocated memory is still 83.9MB. Free memory was 31.5MB in the beginning and 29.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:04:22,193 INFO L158 Benchmark]: Boogie Preprocessor took 68.40ms. Allocated memory is still 83.9MB. Free memory was 29.9MB in the beginning and 27.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:04:22,193 INFO L158 Benchmark]: RCFGBuilder took 1340.93ms. Allocated memory is still 83.9MB. Free memory was 27.0MB in the beginning and 36.9MB in the end (delta: -9.9MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-25 05:04:22,196 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 18.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 869.41ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 31.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.05ms. Allocated memory is still 83.9MB. Free memory was 31.5MB in the beginning and 29.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.40ms. Allocated memory is still 83.9MB. Free memory was 29.9MB in the beginning and 27.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1340.93ms. Allocated memory is still 83.9MB. Free memory was 27.0MB in the beginning and 36.9MB in the end (delta: -9.9MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := (if 0bv8 == ~y$r_buff0_thd0~0 then 0bv8 else 1bv8);~y$r_buff1_thd1~0 := (if 0bv8 == ~y$r_buff0_thd1~0 then 0bv8 else 1bv8);~y$r_buff1_thd2~0 := (if 0bv8 == ~y$r_buff0_thd2~0 then 0bv8 else 1bv8);~y$r_buff1_thd3~0 := (if 0bv8 == ~y$r_buff0_thd3~0 then 0bv8 else 1bv8);~y$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := (if 0bv8 == ~y$r_buff0_thd0~0 then 0bv8 else 1bv8);~y$r_buff1_thd1~0 := (if 0bv8 == ~y$r_buff0_thd1~0 then 0bv8 else 1bv8);~y$r_buff1_thd2~0 := (if 0bv8 == ~y$r_buff0_thd2~0 then 0bv8 else 1bv8);~y$r_buff1_thd3~0 := (if 0bv8 == ~y$r_buff0_thd3~0 then 0bv8 else 1bv8);~y$r_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. [2024-11-25 05:04:22,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91de51e7-ddea-4a5d-a6fb-22d6a776917c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := (if 0bv8 == ~y$r_buff0_thd0~0 then 0bv8 else 1bv8);~y$r_buff1_thd1~0 := (if 0bv8 == ~y$r_buff0_thd1~0 then 0bv8 else 1bv8);~y$r_buff1_thd2~0 := (if 0bv8 == ~y$r_buff0_thd2~0 then 0bv8 else 1bv8);~y$r_buff1_thd3~0 := (if 0bv8 == ~y$r_buff0_thd3~0 then 0bv8 else 1bv8);~y$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?