./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe014_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_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/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_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe014_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/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_de10eee9-c6f4-4349-b5e2-7428891f8862/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 9b910ee0748a7f7121f7d4562c55923dd0d235550d07c5b976ef4d5cc3d7332e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:29:31,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:29:31,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:29:31,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:29:31,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:29:31,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:29:31,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:29:31,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:29:31,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:29:31,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:29:31,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:29:31,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:29:31,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:29:31,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:29:31,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:29:31,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:29:31,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:29:31,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:29:31,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:29:31,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:29:31,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:29:31,424 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:29:31,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:29:31,424 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:29:31,424 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:29:31,424 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:29:31,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:29:31,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:29:31,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:29:31,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:29:31,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:29:31,425 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:29:31,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:29:31,425 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_de10eee9-c6f4-4349-b5e2-7428891f8862/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 -> 9b910ee0748a7f7121f7d4562c55923dd0d235550d07c5b976ef4d5cc3d7332e [2024-12-06 01:29:31,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:29:31,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:29:31,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:29:31,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:29:31,671 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:29:31,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/safe014_power.opt.i [2024-12-06 01:29:34,300 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/data/103a47c61/f352e8f702d6477bb60fe177875a1035/FLAG53448dac5 [2024-12-06 01:29:34,541 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:29:34,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/sv-benchmarks/c/pthread-wmm/safe014_power.opt.i [2024-12-06 01:29:34,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/data/103a47c61/f352e8f702d6477bb60fe177875a1035/FLAG53448dac5 [2024-12-06 01:29:34,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/data/103a47c61/f352e8f702d6477bb60fe177875a1035 [2024-12-06 01:29:34,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:29:34,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:29:34,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:29:34,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:29:34,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:29:34,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:29:34" (1/1) ... [2024-12-06 01:29:34,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e240374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:34, skipping insertion in model container [2024-12-06 01:29:34,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:29:34" (1/1) ... [2024-12-06 01:29:34,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:29:35,019 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_de10eee9-c6f4-4349-b5e2-7428891f8862/sv-benchmarks/c/pthread-wmm/safe014_power.opt.i[994,1007] [2024-12-06 01:29:35,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:29:35,157 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:29:35,164 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_de10eee9-c6f4-4349-b5e2-7428891f8862/sv-benchmarks/c/pthread-wmm/safe014_power.opt.i[994,1007] [2024-12-06 01:29:35,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:29:35,238 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:29:35,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:35 WrapperNode [2024-12-06 01:29:35,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:29:35,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:29:35,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:29:35,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:29:35,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:35" (1/1) ... [2024-12-06 01:29:35,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:35" (1/1) ... [2024-12-06 01:29:35,269 INFO L138 Inliner]: procedures = 175, calls = 57, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2024-12-06 01:29:35,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:29:35,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:29:35,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:29:35,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:29:35,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:35" (1/1) ... [2024-12-06 01:29:35,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:35" (1/1) ... [2024-12-06 01:29:35,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:35" (1/1) ... [2024-12-06 01:29:35,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:35" (1/1) ... [2024-12-06 01:29:35,282 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:35" (1/1) ... [2024-12-06 01:29:35,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:35" (1/1) ... [2024-12-06 01:29:35,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:35" (1/1) ... [2024-12-06 01:29:35,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:35" (1/1) ... [2024-12-06 01:29:35,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:35" (1/1) ... [2024-12-06 01:29:35,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:29:35,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:29:35,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:29:35,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:29:35,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:35" (1/1) ... [2024-12-06 01:29:35,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:29:35,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:29:35,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:29:35,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:29:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:29:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:29:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:29:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:29:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 01:29:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:29:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 01:29:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 01:29:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 01:29:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 01:29:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 01:29:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 01:29:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:29:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 01:29:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:29:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:29:35,348 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 01:29:35,471 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:29:35,473 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:29:35,816 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 01:29:35,816 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:29:36,072 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$r_buff0_thd3~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:29:36,078 INFO L158 Benchmark]: Toolchain (without parser) took 1216.94ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 71.3MB in the end (delta: 45.7MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-12-06 01:29:36,078 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:29:36,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.45ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 92.9MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:29:36,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.88ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 91.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:29:36,079 INFO L158 Benchmark]: Boogie Preprocessor took 19.48ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:29:36,080 INFO L158 Benchmark]: RCFGBuilder took 786.62ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 71.3MB in the end (delta: 17.7MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-12-06 01:29:36,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.45ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 92.9MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.88ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 91.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.48ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 786.62ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 71.3MB in the end (delta: 17.7MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := (if 0 == ~y$r_buff0_thd0~0 % 256 then 0 else 1);~y$r_buff1_thd1~0 := (if 0 == ~y$r_buff0_thd1~0 % 256 then 0 else 1);~y$r_buff1_thd2~0 := (if 0 == ~y$r_buff0_thd2~0 % 256 then 0 else 1);~y$r_buff1_thd3~0 := (if 0 == ~y$r_buff0_thd3~0 % 256 then 0 else 1);~y$r_buff0_thd3~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := (if 0 == ~y$r_buff0_thd0~0 % 256 then 0 else 1);~y$r_buff1_thd1~0 := (if 0 == ~y$r_buff0_thd1~0 % 256 then 0 else 1);~y$r_buff1_thd2~0 := (if 0 == ~y$r_buff0_thd2~0 % 256 then 0 else 1);~y$r_buff1_thd3~0 := (if 0 == ~y$r_buff0_thd3~0 % 256 then 0 else 1);~y$r_buff0_thd3~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:29:36,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/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_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/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_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe014_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/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_de10eee9-c6f4-4349-b5e2-7428891f8862/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 9b910ee0748a7f7121f7d4562c55923dd0d235550d07c5b976ef4d5cc3d7332e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:29:37,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:29:38,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:29:38,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:29:38,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:29:38,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:29:38,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:29:38,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:29:38,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:29:38,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:29:38,063 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:29:38,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:29:38,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:29:38,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:29:38,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:29:38,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:29:38,064 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:29:38,064 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:29:38,064 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:29:38,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:29:38,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:29:38,064 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:29:38,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:29:38,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:29:38,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:29:38,065 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:29:38,065 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:29:38,065 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:29:38,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:29:38,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:29:38,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:29:38,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:29:38,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:29:38,065 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:29:38,065 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:29:38,066 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:29:38,066 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_de10eee9-c6f4-4349-b5e2-7428891f8862/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 -> 9b910ee0748a7f7121f7d4562c55923dd0d235550d07c5b976ef4d5cc3d7332e [2024-12-06 01:29:38,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:29:38,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:29:38,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:29:38,291 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:29:38,291 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:29:38,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/safe014_power.opt.i [2024-12-06 01:29:40,888 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/data/55bc0b9d2/ee1377e8713a42b99a82c6ccf0dde307/FLAGd49846b68 [2024-12-06 01:29:41,156 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:29:41,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/sv-benchmarks/c/pthread-wmm/safe014_power.opt.i [2024-12-06 01:29:41,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/data/55bc0b9d2/ee1377e8713a42b99a82c6ccf0dde307/FLAGd49846b68 [2024-12-06 01:29:41,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/data/55bc0b9d2/ee1377e8713a42b99a82c6ccf0dde307 [2024-12-06 01:29:41,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:29:41,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:29:41,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:29:41,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:29:41,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:29:41,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4901ff1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41, skipping insertion in model container [2024-12-06 01:29:41,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:29:41,631 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_de10eee9-c6f4-4349-b5e2-7428891f8862/sv-benchmarks/c/pthread-wmm/safe014_power.opt.i[994,1007] [2024-12-06 01:29:41,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:29:41,768 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:29:41,777 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_de10eee9-c6f4-4349-b5e2-7428891f8862/sv-benchmarks/c/pthread-wmm/safe014_power.opt.i[994,1007] [2024-12-06 01:29:41,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:29:41,860 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:29:41,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41 WrapperNode [2024-12-06 01:29:41,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:29:41,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:29:41,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:29:41,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:29:41,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,896 INFO L138 Inliner]: procedures = 179, calls = 57, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2024-12-06 01:29:41,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:29:41,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:29:41,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:29:41,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:29:41,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,917 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:29:41,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:29:41,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:29:41,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:29:41,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:41" (1/1) ... [2024-12-06 01:29:41,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:29:41,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:29:41,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:29:41,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:29:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:29:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:29:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:29:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 01:29:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:29:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 01:29:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:29:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 01:29:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 01:29:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 01:29:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 01:29:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 01:29:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 01:29:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 01:29:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 01:29:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:29:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:29:41,984 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 01:29:42,114 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:29:42,115 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:29:42,472 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 01:29:42,472 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:29:42,740 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_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:29:42,745 INFO L158 Benchmark]: Toolchain (without parser) took 1267.27ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 56.1MB in the end (delta: 12.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-12-06 01:29:42,745 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:29:42,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.45ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 44.2MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:29:42,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.16ms. Allocated memory is still 92.3MB. Free memory was 44.1MB in the beginning and 42.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:29:42,746 INFO L158 Benchmark]: Boogie Preprocessor took 29.04ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 39.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:29:42,747 INFO L158 Benchmark]: RCFGBuilder took 816.61ms. Allocated memory is still 92.3MB. Free memory was 39.6MB in the beginning and 56.1MB in the end (delta: -16.5MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-12-06 01:29:42,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.45ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 44.2MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.16ms. Allocated memory is still 92.3MB. Free memory was 44.1MB in the beginning and 42.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.04ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 39.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 816.61ms. Allocated memory is still 92.3MB. Free memory was 39.6MB in the beginning and 56.1MB in the end (delta: -16.5MB). Peak memory consumption was 27.2MB. 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$r_buff0_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := (if 0bv8 == ~y$r_buff0_thd0~0 then 0bv8 else 1bv8);~y$r_buff1_thd1~0 := (if 0bv8 == ~y$r_buff0_thd1~0 then 0bv8 else 1bv8);~y$r_buff1_thd2~0 := (if 0bv8 == ~y$r_buff0_thd2~0 then 0bv8 else 1bv8);~y$r_buff1_thd3~0 := (if 0bv8 == ~y$r_buff0_thd3~0 then 0bv8 else 1bv8);~y$r_buff0_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:29:42,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10eee9-c6f4-4349-b5e2-7428891f8862/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := (if 0bv8 == ~y$r_buff0_thd0~0 then 0bv8 else 1bv8);~y$r_buff1_thd1~0 := (if 0bv8 == ~y$r_buff0_thd1~0 then 0bv8 else 1bv8);~y$r_buff1_thd2~0 := (if 0bv8 == ~y$r_buff0_thd2~0 then 0bv8 else 1bv8);~y$r_buff1_thd3~0 := (if 0bv8 == ~y$r_buff0_thd3~0 then 0bv8 else 1bv8);~y$r_buff0_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?