./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix044.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_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix044.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3 --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 bb408c890b0d52a937687fd58d564d57121120b7f4647156375768e776a678b4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:12:17,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:12:18,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 04:12:18,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:12:18,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:12:18,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:12:18,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:12:18,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:12:18,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:12:18,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:12:18,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:12:18,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:12:18,061 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:12:18,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:12:18,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:12:18,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:12:18,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:12:18,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:12:18,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:12:18,062 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:12:18,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:12:18,062 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:12:18,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:12:18,062 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:12:18,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:12:18,062 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:12:18,062 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:12:18,063 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:12:18,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:12:18,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:18,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:12:18,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:12:18,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:12:18,063 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:12:18,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:12:18,063 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_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> bb408c890b0d52a937687fd58d564d57121120b7f4647156375768e776a678b4 [2024-11-25 04:12:18,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:12:18,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:12:18,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:12:18,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:12:18,375 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:12:18,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-wmm/mix044.opt.i [2024-11-25 04:12:21,410 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/data/006c2776a/10f870e8d41e4fa0af99d29b3c8735df/FLAG552382089 [2024-11-25 04:12:21,704 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:12:21,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/sv-benchmarks/c/pthread-wmm/mix044.opt.i [2024-11-25 04:12:21,719 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/data/006c2776a/10f870e8d41e4fa0af99d29b3c8735df/FLAG552382089 [2024-11-25 04:12:21,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/data/006c2776a/10f870e8d41e4fa0af99d29b3c8735df [2024-11-25 04:12:21,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:12:21,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:12:21,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:21,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:12:21,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:12:21,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:21,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d445fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21, skipping insertion in model container [2024-11-25 04:12:21,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:21,781 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:12:22,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:22,185 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:12:22,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:22,286 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:12:22,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:22 WrapperNode [2024-11-25 04:12:22,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:22,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:22,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:12:22,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:12:22,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:22" (1/1) ... [2024-11-25 04:12:22,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:22" (1/1) ... [2024-11-25 04:12:22,333 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2024-11-25 04:12:22,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:22,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:12:22,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:12:22,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:12:22,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:22" (1/1) ... [2024-11-25 04:12:22,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:22" (1/1) ... [2024-11-25 04:12:22,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:22" (1/1) ... [2024-11-25 04:12:22,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:22" (1/1) ... [2024-11-25 04:12:22,353 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:22" (1/1) ... [2024-11-25 04:12:22,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:22" (1/1) ... [2024-11-25 04:12:22,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:22" (1/1) ... [2024-11-25 04:12:22,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:22" (1/1) ... [2024-11-25 04:12:22,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:22" (1/1) ... [2024-11-25 04:12:22,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:12:22,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:12:22,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:12:22,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:12:22,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:22" (1/1) ... [2024-11-25 04:12:22,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:22,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:12:22,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:12:22,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:12:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:12:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:12:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 04:12:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:12:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-25 04:12:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-25 04:12:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-25 04:12:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-25 04:12:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-25 04:12:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-25 04:12:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-25 04:12:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-25 04:12:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:12:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 04:12:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:12:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:12:22,455 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 04:12:22,639 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:12:22,641 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:12:23,018 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 04:12:23,018 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:12:23,222 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:12:23,228 INFO L158 Benchmark]: Toolchain (without parser) took 1488.34ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 75.8MB in the end (delta: 15.2MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2024-11-25 04:12:23,228 INFO L158 Benchmark]: CDTParser took 1.36ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:23,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.18ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 67.8MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:12:23,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.03ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:23,229 INFO L158 Benchmark]: Boogie Preprocessor took 28.24ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 63.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:23,230 INFO L158 Benchmark]: RCFGBuilder took 860.38ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 75.8MB in the end (delta: -12.1MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-11-25 04:12:23,232 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.18ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 67.8MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.03ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.24ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 63.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 860.38ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 75.8MB in the end (delta: -12.1MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling 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. [2024-11-25 04:12:23,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix044.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3 --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 bb408c890b0d52a937687fd58d564d57121120b7f4647156375768e776a678b4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:12:25,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:12:26,000 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 04:12:26,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:12:26,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:12:26,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:12:26,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:12:26,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:12:26,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:12:26,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:12:26,048 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:12:26,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:12:26,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:12:26,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:12:26,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:12:26,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:12:26,049 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:12:26,049 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:12:26,049 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:12:26,049 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:12:26,050 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:12:26,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:12:26,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:12:26,050 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:12:26,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:12:26,050 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:12:26,050 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:12:26,050 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:12:26,051 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:26,051 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:12:26,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:12:26,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:26,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:12:26,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:12:26,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:12:26,052 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:12:26,052 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:26,052 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:12:26,052 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_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> bb408c890b0d52a937687fd58d564d57121120b7f4647156375768e776a678b4 [2024-11-25 04:12:26,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:12:26,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:12:26,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:12:26,398 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:12:26,399 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:12:26,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-wmm/mix044.opt.i [2024-11-25 04:12:29,391 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/data/842b3ca30/0f0689a576b84d9cb6fdda76ef58ed2b/FLAG7370963f1 [2024-11-25 04:12:29,836 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:12:29,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/sv-benchmarks/c/pthread-wmm/mix044.opt.i [2024-11-25 04:12:29,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/data/842b3ca30/0f0689a576b84d9cb6fdda76ef58ed2b/FLAG7370963f1 [2024-11-25 04:12:29,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/data/842b3ca30/0f0689a576b84d9cb6fdda76ef58ed2b [2024-11-25 04:12:29,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:12:29,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:12:29,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:29,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:12:29,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:12:29,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e783a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:29, skipping insertion in model container [2024-11-25 04:12:29,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:12:30,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:30,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:12:30,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:30,639 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:12:30,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:30 WrapperNode [2024-11-25 04:12:30,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:30,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:30,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:12:30,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:12:30,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:30" (1/1) ... [2024-11-25 04:12:30,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:30" (1/1) ... [2024-11-25 04:12:30,718 INFO L138 Inliner]: procedures = 177, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-11-25 04:12:30,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:30,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:12:30,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:12:30,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:12:30,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:30" (1/1) ... [2024-11-25 04:12:30,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:30" (1/1) ... [2024-11-25 04:12:30,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:30" (1/1) ... [2024-11-25 04:12:30,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:30" (1/1) ... [2024-11-25 04:12:30,756 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:30" (1/1) ... [2024-11-25 04:12:30,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:30" (1/1) ... [2024-11-25 04:12:30,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:30" (1/1) ... [2024-11-25 04:12:30,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:30" (1/1) ... [2024-11-25 04:12:30,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:30" (1/1) ... [2024-11-25 04:12:30,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:12:30,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:12:30,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:12:30,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:12:30,787 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:30" (1/1) ... [2024-11-25 04:12:30,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:30,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:12:30,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:12:30,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:12:30,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:12:30,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:12:30,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 04:12:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:12:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:12:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-25 04:12:30,869 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-25 04:12:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-25 04:12:30,869 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-25 04:12:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-25 04:12:30,869 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-25 04:12:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-25 04:12:30,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-25 04:12:30,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 04:12:30,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:12:30,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:12:30,872 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 04:12:31,065 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:12:31,067 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:12:31,489 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 04:12:31,489 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:12:31,670 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:12:31,677 INFO L158 Benchmark]: Toolchain (without parser) took 1792.28ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 57.4MB in the end (delta: 33.8MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-25 04:12:31,678 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.8MB in the end (delta: 51.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:31,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 752.70ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 66.9MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:12:31,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.09ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 64.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:31,682 INFO L158 Benchmark]: Boogie Preprocessor took 61.47ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:31,683 INFO L158 Benchmark]: RCFGBuilder took 894.61ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 57.4MB in the end (delta: 5.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-25 04:12:31,686 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.8MB in the end (delta: 51.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 752.70ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 66.9MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.09ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 64.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.47ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 894.61ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 57.4MB in the end (delta: 5.1MB). Peak memory consumption was 30.3MB. 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. [2024-11-25 04:12:31,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61909175-d72f-455b-81a3-8c7d0f97d0ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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?