./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.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_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/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_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/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_fffcbceb-d2c2-46da-a46a-b047733fe1a7/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 e1d84228246cc640f111b0bf0907a0ec6838e3ee0e70770c8d77ae15dd23f4db --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:13:20,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:13:20,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 00:13:20,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:13:20,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:13:20,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:13:20,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:13:20,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:13:20,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:13:20,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:13:20,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:13:20,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:13:20,449 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:13:20,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:13:20,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:13:20,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:13:20,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:13:20,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:13:20,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:13:20,449 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:13:20,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:13:20,449 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:13:20,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:13:20,450 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:13:20,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:13:20,450 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:13:20,450 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:13:20,450 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:13:20,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:13:20,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:13:20,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:13:20,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:13:20,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:13:20,451 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:13:20,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:13:20,451 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_fffcbceb-d2c2-46da-a46a-b047733fe1a7/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 -> e1d84228246cc640f111b0bf0907a0ec6838e3ee0e70770c8d77ae15dd23f4db [2024-12-06 00:13:20,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:13:20,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:13:20,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:13:20,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:13:20,696 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:13:20,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i [2024-12-06 00:13:23,340 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/data/657460c77/96c3a8b75d6f4ad3a372943e13526135/FLAG954cc15fb [2024-12-06 00:13:23,577 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:13:23,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/sv-benchmarks/c/pthread-wmm/rfi008.oepc.i [2024-12-06 00:13:23,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/data/657460c77/96c3a8b75d6f4ad3a372943e13526135/FLAG954cc15fb [2024-12-06 00:13:23,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/data/657460c77/96c3a8b75d6f4ad3a372943e13526135 [2024-12-06 00:13:23,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:13:23,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:13:23,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:13:23,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:13:23,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:13:23,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:13:23" (1/1) ... [2024-12-06 00:13:23,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e9f37d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:23, skipping insertion in model container [2024-12-06 00:13:23,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:13:23" (1/1) ... [2024-12-06 00:13:23,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:13:24,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:13:24,207 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:13:24,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:13:24,296 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:13:24,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:24 WrapperNode [2024-12-06 00:13:24,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:13:24,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:13:24,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:13:24,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:13:24,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:24" (1/1) ... [2024-12-06 00:13:24,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:24" (1/1) ... [2024-12-06 00:13:24,332 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-12-06 00:13:24,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:13:24,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:13:24,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:13:24,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:13:24,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:24" (1/1) ... [2024-12-06 00:13:24,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:24" (1/1) ... [2024-12-06 00:13:24,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:24" (1/1) ... [2024-12-06 00:13:24,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:24" (1/1) ... [2024-12-06 00:13:24,350 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:24" (1/1) ... [2024-12-06 00:13:24,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:24" (1/1) ... [2024-12-06 00:13:24,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:24" (1/1) ... [2024-12-06 00:13:24,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:24" (1/1) ... [2024-12-06 00:13:24,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:24" (1/1) ... [2024-12-06 00:13:24,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:13:24,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:13:24,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:13:24,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:13:24,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:24" (1/1) ... [2024-12-06 00:13:24,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:13:24,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:13:24,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:13:24,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:13:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:13:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:13:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 00:13:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:13:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 00:13:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 00:13:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 00:13:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 00:13:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:13:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 00:13:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:13:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:13:24,415 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 00:13:24,525 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:13:24,527 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:13:24,818 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 00:13:24,818 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:13:24,957 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1;~x$w_buff1_used~0 := (if 0 == ~x$w_buff0_used~0 % 256 then 0 else 1);~x$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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:13:24,962 INFO L158 Benchmark]: Toolchain (without parser) took 1056.94ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 111.8MB in the end (delta: 4.4MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2024-12-06 00:13:24,962 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:13:24,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.57ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 92.1MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:13:24,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.73ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 90.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:13:24,963 INFO L158 Benchmark]: Boogie Preprocessor took 26.64ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 88.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:13:24,964 INFO L158 Benchmark]: RCFGBuilder took 599.98ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 111.8MB in the end (delta: -23.1MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-12-06 00:13:24,966 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.57ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 92.1MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.73ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 90.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.64ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 88.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 599.98ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 111.8MB in the end (delta: -23.1MB). Peak memory consumption was 56.1MB. 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1;~x$w_buff1_used~0 := (if 0 == ~x$w_buff0_used~0 % 256 then 0 else 1);~x$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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1;~x$w_buff1_used~0 := (if 0 == ~x$w_buff0_used~0 % 256 then 0 else 1);~x$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 00:13:24,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/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_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/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_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/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_fffcbceb-d2c2-46da-a46a-b047733fe1a7/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 e1d84228246cc640f111b0bf0907a0ec6838e3ee0e70770c8d77ae15dd23f4db --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:13:26,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:13:26,967 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 00:13:26,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:13:26,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:13:26,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:13:26,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:13:26,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:13:26,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:13:26,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:13:26,994 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:13:26,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:13:26,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:13:26,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:13:26,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:13:26,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:13:26,994 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:13:26,994 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:13:26,994 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:13:26,995 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:13:26,995 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:13:26,995 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:13:26,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:13:26,995 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:13:26,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:13:26,995 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:13:26,995 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:13:26,995 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:13:26,996 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:26,996 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:13:26,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:13:26,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:13:26,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:13:26,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:13:26,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:13:26,996 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:13:26,996 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:26,996 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:13:26,996 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_fffcbceb-d2c2-46da-a46a-b047733fe1a7/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 -> e1d84228246cc640f111b0bf0907a0ec6838e3ee0e70770c8d77ae15dd23f4db [2024-12-06 00:13:27,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:13:27,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:13:27,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:13:27,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:13:27,245 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:13:27,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i [2024-12-06 00:13:30,032 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/data/c058039b7/ef2e03042c7347e580345bc8f9c5c94d/FLAGade41071d [2024-12-06 00:13:30,246 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:13:30,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/sv-benchmarks/c/pthread-wmm/rfi008.oepc.i [2024-12-06 00:13:30,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/data/c058039b7/ef2e03042c7347e580345bc8f9c5c94d/FLAGade41071d [2024-12-06 00:13:30,578 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/data/c058039b7/ef2e03042c7347e580345bc8f9c5c94d [2024-12-06 00:13:30,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:13:30,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:13:30,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:13:30,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:13:30,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:13:30,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:30,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0b2be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30, skipping insertion in model container [2024-12-06 00:13:30,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:30,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:13:30,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:13:30,868 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:13:30,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:13:30,954 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:13:30,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30 WrapperNode [2024-12-06 00:13:30,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:13:30,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:13:30,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:13:30,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:13:30,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:30,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:30,994 INFO L138 Inliner]: procedures = 175, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-12-06 00:13:30,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:13:30,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:13:30,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:13:30,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:13:31,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:31,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:31,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:31,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:31,015 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:31,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:31,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:31,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:31,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:31,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:13:31,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:13:31,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:13:31,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:13:31,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:30" (1/1) ... [2024-12-06 00:13:31,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:13:31,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:13:31,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:13:31,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:13:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:13:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:13:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 00:13:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:13:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:13:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 00:13:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 00:13:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 00:13:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 00:13:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 00:13:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:13:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:13:31,093 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 00:13:31,201 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:13:31,202 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:13:31,496 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 00:13:31,497 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:13:31,668 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:13:31,674 INFO L158 Benchmark]: Toolchain (without parser) took 1091.95ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 47.4MB in the end (delta: 20.9MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-12-06 00:13:31,674 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:13:31,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.45ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 44.1MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:13:31,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.05ms. Allocated memory is still 92.3MB. Free memory was 44.1MB in the beginning and 42.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:13:31,675 INFO L158 Benchmark]: Boogie Preprocessor took 30.55ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 40.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:13:31,675 INFO L158 Benchmark]: RCFGBuilder took 645.75ms. Allocated memory is still 92.3MB. Free memory was 40.2MB in the beginning and 47.4MB in the end (delta: -7.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-06 00:13:31,677 INFO L338 ainManager$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 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.45ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 44.1MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.05ms. Allocated memory is still 92.3MB. Free memory was 44.1MB in the beginning and 42.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.55ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 40.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 645.75ms. Allocated memory is still 92.3MB. Free memory was 40.2MB in the beginning and 47.4MB in the end (delta: -7.3MB). 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$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 00:13:31,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffcbceb-d2c2-46da-a46a-b047733fe1a7/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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?