./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi008.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/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_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi008.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d082f4414248fc35e1fa616a9787901263e0e45c6e6a28545f00aa25d14032e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:25:30,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:25:30,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 06:25:30,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:25:30,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:25:30,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:25:30,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:25:30,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:25:30,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:25:30,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:25:30,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:25:30,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:25:30,401 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:25:30,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:25:30,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:25:30,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:25:30,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:25:30,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:25:30,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:25:30,402 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:25:30,402 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:25:30,402 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:25:30,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:25:30,402 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:25:30,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:25:30,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:25:30,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:25:30,402 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:25:30,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:25:30,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:25:30,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:25:30,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:25:30,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:25:30,403 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:25:30,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:25:30,403 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_28bc3f43-6151-4e2d-bd59-3a178073c059/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 ! overflow) ) 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 -> 0d082f4414248fc35e1fa616a9787901263e0e45c6e6a28545f00aa25d14032e [2024-12-06 06:25:30,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:25:30,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:25:30,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:25:30,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:25:30,642 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:25:30,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/rfi008.opt.i [2024-12-06 06:25:33,369 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/data/28817f1a8/4b34e4ee510e4e2fbc74349feab9dae8/FLAG8f1190265 [2024-12-06 06:25:33,626 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:25:33,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/sv-benchmarks/c/pthread-wmm/rfi008.opt.i [2024-12-06 06:25:33,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/data/28817f1a8/4b34e4ee510e4e2fbc74349feab9dae8/FLAG8f1190265 [2024-12-06 06:25:33,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/data/28817f1a8/4b34e4ee510e4e2fbc74349feab9dae8 [2024-12-06 06:25:33,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:25:33,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:25:33,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:25:33,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:25:33,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:25:33,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:25:33" (1/1) ... [2024-12-06 06:25:33,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3aca0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:33, skipping insertion in model container [2024-12-06 06:25:33,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:25:33" (1/1) ... [2024-12-06 06:25:33,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:25:34,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:25:34,262 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:25:34,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:25:34,347 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:25:34,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34 WrapperNode [2024-12-06 06:25:34,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:25:34,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:25:34,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:25:34,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:25:34,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,383 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-12-06 06:25:34,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:25:34,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:25:34,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:25:34,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:25:34,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,401 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,402 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:25:34,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:25:34,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:25:34,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:25:34,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:25:34,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:25:34,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:25:34,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:25:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 06:25:34,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 06:25:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 06:25:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:25:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 06:25:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 06:25:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 06:25:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 06:25:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:25:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 06:25:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:25:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:25:34,463 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 06:25:34,566 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:25:34,567 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:25:34,837 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 06:25:34,837 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:25:35,002 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: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1;~y$w_buff1_used~0 := (if 0 == ~y$w_buff0_used~0 % 256 then 0 else 1);~y$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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 06:25:35,007 INFO L158 Benchmark]: Toolchain (without parser) took 1076.12ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 73.6MB in the end (delta: 17.7MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2024-12-06 06:25:35,008 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:25:35,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.49ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 67.7MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:25:35,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.15ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:25:35,009 INFO L158 Benchmark]: Boogie Preprocessor took 26.01ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 64.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:25:35,009 INFO L158 Benchmark]: RCFGBuilder took 595.53ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 73.6MB in the end (delta: -9.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-12-06 06:25:35,011 INFO L338 ainManager$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 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.49ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 67.7MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.15ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.01ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 64.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 595.53ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 73.6MB in the end (delta: -9.5MB). Peak memory consumption was 38.6MB. 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: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1;~y$w_buff1_used~0 := (if 0 == ~y$w_buff0_used~0 % 256 then 0 else 1);~y$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: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1;~y$w_buff1_used~0 := (if 0 == ~y$w_buff0_used~0 % 256 then 0 else 1);~y$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 06:25:35,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/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_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/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_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi008.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d082f4414248fc35e1fa616a9787901263e0e45c6e6a28545f00aa25d14032e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:25:36,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:25:37,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 06:25:37,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:25:37,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:25:37,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:25:37,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:25:37,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:25:37,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:25:37,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:25:37,042 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:25:37,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:25:37,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:25:37,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:25:37,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:25:37,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:25:37,042 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:25:37,042 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:25:37,042 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:25:37,043 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:25:37,043 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:25:37,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:25:37,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:25:37,043 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:25:37,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:25:37,043 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:25:37,043 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:25:37,043 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:25:37,043 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:25:37,044 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:25:37,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:25:37,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:25:37,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:25:37,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:25:37,044 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:25:37,044 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:25:37,044 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:25:37,044 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:25:37,044 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_28bc3f43-6151-4e2d-bd59-3a178073c059/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 ! overflow) ) 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 -> 0d082f4414248fc35e1fa616a9787901263e0e45c6e6a28545f00aa25d14032e [2024-12-06 06:25:37,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:25:37,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:25:37,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:25:37,275 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:25:37,275 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:25:37,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/rfi008.opt.i [2024-12-06 06:25:39,890 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/data/04e8bcc6d/e1b5b60140594dc194d7da3c132e7882/FLAGd690e2ae2 [2024-12-06 06:25:40,160 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:25:40,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/sv-benchmarks/c/pthread-wmm/rfi008.opt.i [2024-12-06 06:25:40,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/data/04e8bcc6d/e1b5b60140594dc194d7da3c132e7882/FLAGd690e2ae2 [2024-12-06 06:25:40,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/data/04e8bcc6d/e1b5b60140594dc194d7da3c132e7882 [2024-12-06 06:25:40,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:25:40,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:25:40,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:25:40,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:25:40,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:25:40,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2c27f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40, skipping insertion in model container [2024-12-06 06:25:40,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:25:40,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:25:40,796 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:25:40,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:25:40,890 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:25:40,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40 WrapperNode [2024-12-06 06:25:40,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:25:40,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:25:40,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:25:40,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:25:40,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,930 INFO L138 Inliner]: procedures = 175, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-12-06 06:25:40,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:25:40,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:25:40,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:25:40,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:25:40,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,951 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:25:40,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:25:40,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:25:40,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:25:40,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:40" (1/1) ... [2024-12-06 06:25:40,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:25:40,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:25:40,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:25:41,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:25:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 06:25:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 06:25:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 06:25:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:25:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:25:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 06:25:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 06:25:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 06:25:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 06:25:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 06:25:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:25:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:25:41,027 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 06:25:41,148 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:25:41,149 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:25:41,423 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 06:25:41,424 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:25:41,567 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: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1bv32;~y$w_buff1_used~0 := (if 0bv8 == ~y$w_buff0_used~0 then 0bv8 else 1bv8);~y$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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 06:25:41,573 INFO L158 Benchmark]: Toolchain (without parser) took 1100.42ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 49.1MB in the end (delta: 19.3MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-12-06 06:25:41,573 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:25:41,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.72ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 44.4MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:25:41,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.51ms. Allocated memory is still 92.3MB. Free memory was 44.4MB in the beginning and 42.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:25:41,574 INFO L158 Benchmark]: Boogie Preprocessor took 29.58ms. Allocated memory is still 92.3MB. Free memory was 42.5MB in the beginning and 40.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:25:41,575 INFO L158 Benchmark]: RCFGBuilder took 610.59ms. Allocated memory is still 92.3MB. Free memory was 40.5MB in the beginning and 49.1MB in the end (delta: -8.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-06 06:25:41,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.72ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 44.4MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.51ms. Allocated memory is still 92.3MB. Free memory was 44.4MB in the beginning and 42.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.58ms. Allocated memory is still 92.3MB. Free memory was 42.5MB in the beginning and 40.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 610.59ms. Allocated memory is still 92.3MB. Free memory was 40.5MB in the beginning and 49.1MB in the end (delta: -8.6MB). 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: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1bv32;~y$w_buff1_used~0 := (if 0bv8 == ~y$w_buff0_used~0 then 0bv8 else 1bv8);~y$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: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1bv32;~y$w_buff1_used~0 := (if 0bv8 == ~y$w_buff0_used~0 then 0bv8 else 1bv8);~y$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 06:25:41,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bc3f43-6151-4e2d-bd59-3a178073c059/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: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1bv32;~y$w_buff1_used~0 := (if 0bv8 == ~y$w_buff0_used~0 then 0bv8 else 1bv8);~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?