./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix046.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_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/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_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix046.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/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_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/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 f69f777f524a62a415fc7cacc9442c44e05883e29c36815b4e0d58199826b331 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:26:10,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:26:10,474 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:26:10,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:26:10,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:26:10,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:26:10,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:26:10,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:26:10,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:26:10,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:26:10,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:26:10,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:26:10,501 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:26:10,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:26:10,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:26:10,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:26:10,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:26:10,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:26:10,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:26:10,501 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:26:10,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:26:10,501 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:26:10,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:26:10,502 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:26:10,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:26:10,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:26:10,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:26:10,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:26:10,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:26:10,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:26:10,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:26:10,502 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:26:10,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:26:10,502 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_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/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 -> f69f777f524a62a415fc7cacc9442c44e05883e29c36815b4e0d58199826b331 [2024-12-06 05:26:10,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:26:10,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:26:10,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:26:10,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:26:10,754 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:26:10,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix046.opt.i [2024-12-06 05:26:13,366 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/data/fd703002a/4939c0b1944444aa99c6f343fb2cacbe/FLAG8dae3c8d6 [2024-12-06 05:26:13,647 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:26:13,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/sv-benchmarks/c/pthread-wmm/mix046.opt.i [2024-12-06 05:26:13,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/data/fd703002a/4939c0b1944444aa99c6f343fb2cacbe/FLAG8dae3c8d6 [2024-12-06 05:26:13,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/data/fd703002a/4939c0b1944444aa99c6f343fb2cacbe [2024-12-06 05:26:13,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:26:13,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:26:13,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:26:13,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:26:13,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:26:13,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:26:13" (1/1) ... [2024-12-06 05:26:13,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f96afa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:13, skipping insertion in model container [2024-12-06 05:26:13,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:26:13" (1/1) ... [2024-12-06 05:26:13,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:26:13,864 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_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/sv-benchmarks/c/pthread-wmm/mix046.opt.i[944,957] [2024-12-06 05:26:14,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:26:14,035 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:26:14,045 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_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/sv-benchmarks/c/pthread-wmm/mix046.opt.i[944,957] [2024-12-06 05:26:14,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:26:14,121 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:26:14,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:14 WrapperNode [2024-12-06 05:26:14,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:26:14,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:26:14,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:26:14,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:26:14,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:14" (1/1) ... [2024-12-06 05:26:14,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:14" (1/1) ... [2024-12-06 05:26:14,162 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2024-12-06 05:26:14,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:26:14,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:26:14,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:26:14,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:26:14,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:14" (1/1) ... [2024-12-06 05:26:14,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:14" (1/1) ... [2024-12-06 05:26:14,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:14" (1/1) ... [2024-12-06 05:26:14,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:14" (1/1) ... [2024-12-06 05:26:14,180 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:14" (1/1) ... [2024-12-06 05:26:14,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:14" (1/1) ... [2024-12-06 05:26:14,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:14" (1/1) ... [2024-12-06 05:26:14,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:14" (1/1) ... [2024-12-06 05:26:14,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:14" (1/1) ... [2024-12-06 05:26:14,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:26:14,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:26:14,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:26:14,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:26:14,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:14" (1/1) ... [2024-12-06 05:26:14,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:26:14,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:26:14,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:26:14,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:26:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:26:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:26:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 05:26:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:26:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 05:26:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 05:26:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 05:26:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 05:26:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 05:26:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 05:26:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 05:26:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 05:26:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:26:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 05:26:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:26:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:26:14,245 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 05:26:14,343 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:26:14,344 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:26:14,593 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 05:26:14,593 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:26:14,723 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2;~z$w_buff1_used~0 := (if 0 == ~z$w_buff0_used~0 % 256 then 0 else 1);~z$w_buff0_used~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:146) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:26:14,728 INFO L158 Benchmark]: Toolchain (without parser) took 1050.63ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 111.4MB in the end (delta: 4.4MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2024-12-06 05:26:14,728 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:26:14,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.77ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 92.4MB in the end (delta: 23.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:26:14,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.80ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 89.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:26:14,730 INFO L158 Benchmark]: Boogie Preprocessor took 26.46ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 88.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:26:14,730 INFO L158 Benchmark]: RCFGBuilder took 536.80ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 111.4MB in the end (delta: -22.9MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 05:26:14,732 INFO L338 ainManager$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 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.77ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 92.4MB in the end (delta: 23.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.80ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 89.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.46ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 88.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 536.80ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 111.4MB in the end (delta: -22.9MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2;~z$w_buff1_used~0 := (if 0 == ~z$w_buff0_used~0 % 256 then 0 else 1);~z$w_buff0_used~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 start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2;~z$w_buff1_used~0 := (if 0 == ~z$w_buff0_used~0 % 256 then 0 else 1);~z$w_buff0_used~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:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:26:14,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/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_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/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_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix046.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/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_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/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 f69f777f524a62a415fc7cacc9442c44e05883e29c36815b4e0d58199826b331 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:26:16,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:26:16,756 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:26:16,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:26:16,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:26:16,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:26:16,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:26:16,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:26:16,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:26:16,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:26:16,786 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:26:16,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:26:16,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:26:16,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:26:16,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:26:16,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:26:16,786 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:26:16,786 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:26:16,786 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:26:16,786 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:26:16,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:26:16,787 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:26:16,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:26:16,787 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:26:16,787 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:26:16,787 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:26:16,787 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:26:16,787 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:26:16,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:26:16,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:26:16,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:26:16,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:26:16,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:26:16,788 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:26:16,788 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:26:16,788 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:26:16,788 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_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/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 -> f69f777f524a62a415fc7cacc9442c44e05883e29c36815b4e0d58199826b331 [2024-12-06 05:26:17,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:26:17,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:26:17,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:26:17,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:26:17,047 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:26:17,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/mix046.opt.i [2024-12-06 05:26:19,813 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/data/328da15f8/4d26602910c04bef887e6e31f02af542/FLAG93df8a90b [2024-12-06 05:26:20,041 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:26:20,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/sv-benchmarks/c/pthread-wmm/mix046.opt.i [2024-12-06 05:26:20,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/data/328da15f8/4d26602910c04bef887e6e31f02af542/FLAG93df8a90b [2024-12-06 05:26:20,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/data/328da15f8/4d26602910c04bef887e6e31f02af542 [2024-12-06 05:26:20,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:26:20,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:26:20,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:26:20,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:26:20,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:26:20,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e3fe0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20, skipping insertion in model container [2024-12-06 05:26:20,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:26:20,504 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_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/sv-benchmarks/c/pthread-wmm/mix046.opt.i[944,957] [2024-12-06 05:26:20,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:26:20,657 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:26:20,666 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_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/sv-benchmarks/c/pthread-wmm/mix046.opt.i[944,957] [2024-12-06 05:26:20,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:26:20,744 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:26:20,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20 WrapperNode [2024-12-06 05:26:20,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:26:20,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:26:20,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:26:20,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:26:20,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,783 INFO L138 Inliner]: procedures = 177, calls = 55, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2024-12-06 05:26:20,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:26:20,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:26:20,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:26:20,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:26:20,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,804 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:26:20,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:26:20,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:26:20,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:26:20,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:20" (1/1) ... [2024-12-06 05:26:20,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:26:20,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:26:20,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:26:20,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:26:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:26:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:26:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 05:26:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:26:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:26:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 05:26:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 05:26:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 05:26:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 05:26:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 05:26:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 05:26:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 05:26:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 05:26:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 05:26:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:26:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:26:20,883 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 05:26:21,002 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:26:21,004 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:26:21,286 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 05:26:21,286 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:26:21,413 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2bv32;~z$w_buff1_used~0 := (if 0bv8 == ~z$w_buff0_used~0 then 0bv8 else 1bv8);~z$w_buff0_used~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:146) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:26:21,419 INFO L158 Benchmark]: Toolchain (without parser) took 1059.02ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 55.6MB in the end (delta: 12.6MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-12-06 05:26:21,419 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:26:21,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.27ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 44.2MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:26:21,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.41ms. Allocated memory is still 92.3MB. Free memory was 44.2MB in the beginning and 42.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:26:21,420 INFO L158 Benchmark]: Boogie Preprocessor took 30.65ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 40.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:26:21,421 INFO L158 Benchmark]: RCFGBuilder took 602.55ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 55.6MB in the end (delta: -15.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-06 05:26:21,423 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.27ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 44.2MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.41ms. Allocated memory is still 92.3MB. Free memory was 44.2MB in the beginning and 42.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.65ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 40.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 602.55ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 55.6MB in the end (delta: -15.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2bv32;~z$w_buff1_used~0 := (if 0bv8 == ~z$w_buff0_used~0 then 0bv8 else 1bv8);~z$w_buff0_used~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 start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2bv32;~z$w_buff1_used~0 := (if 0bv8 == ~z$w_buff0_used~0 then 0bv8 else 1bv8);~z$w_buff0_used~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:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:26:21,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86b625d-9ef6-4a27-aa6d-20d511cf61e7/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 start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 2bv32;~z$w_buff1_used~0 := (if 0bv8 == ~z$w_buff0_used~0 then 0bv8 else 1bv8);~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?