./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe015_power.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_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/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_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/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_e56f650a-02ef-486b-beb5-3c5e5345ccab/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 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:58:02,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:58:02,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 04:58:02,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:58:02,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:58:02,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:58:02,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:58:02,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:58:02,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:58:02,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:58:02,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:58:02,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:58:02,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:58:02,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:58:02,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:58:02,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:58:02,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:58:02,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:58:02,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:58:02,381 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:58:02,381 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:58:02,381 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:58:02,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:58:02,381 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:58:02,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:58:02,381 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:58:02,381 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:58:02,381 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:58:02,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:58:02,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:58:02,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:58:02,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:58:02,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:58:02,382 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:58:02,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:58:02,382 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_e56f650a-02ef-486b-beb5-3c5e5345ccab/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 -> 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 [2024-12-06 04:58:02,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:58:02,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:58:02,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:58:02,593 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:58:02,593 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:58:02,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2024-12-06 04:58:05,230 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/data/21d297431/1ff88ac69b7745f3aa79cfe78dd95712/FLAGe42fdfaab [2024-12-06 04:58:05,486 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:58:05,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2024-12-06 04:58:05,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/data/21d297431/1ff88ac69b7745f3aa79cfe78dd95712/FLAGe42fdfaab [2024-12-06 04:58:05,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/data/21d297431/1ff88ac69b7745f3aa79cfe78dd95712 [2024-12-06 04:58:05,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:58:05,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:58:05,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:58:05,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:58:05,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:58:05,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:58:05" (1/1) ... [2024-12-06 04:58:05,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca7c743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:05, skipping insertion in model container [2024-12-06 04:58:05,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:58:05" (1/1) ... [2024-12-06 04:58:05,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:58:06,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:58:06,144 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:58:06,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:58:06,238 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:58:06,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:06 WrapperNode [2024-12-06 04:58:06,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:58:06,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:58:06,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:58:06,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:58:06,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:06" (1/1) ... [2024-12-06 04:58:06,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:06" (1/1) ... [2024-12-06 04:58:06,281 INFO L138 Inliner]: procedures = 175, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 161 [2024-12-06 04:58:06,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:58:06,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:58:06,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:58:06,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:58:06,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:06" (1/1) ... [2024-12-06 04:58:06,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:06" (1/1) ... [2024-12-06 04:58:06,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:06" (1/1) ... [2024-12-06 04:58:06,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:06" (1/1) ... [2024-12-06 04:58:06,305 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:06" (1/1) ... [2024-12-06 04:58:06,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:06" (1/1) ... [2024-12-06 04:58:06,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:06" (1/1) ... [2024-12-06 04:58:06,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:06" (1/1) ... [2024-12-06 04:58:06,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:06" (1/1) ... [2024-12-06 04:58:06,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:58:06,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:58:06,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:58:06,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:58:06,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:06" (1/1) ... [2024-12-06 04:58:06,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:58:06,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:58:06,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:58:06,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:58:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:58:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:58:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:58:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:58:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 04:58:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:58:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 04:58:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 04:58:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 04:58:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 04:58:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 04:58:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 04:58:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:58:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 04:58:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:58:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:58:06,380 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 04:58:06,508 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:58:06,510 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:58:06,987 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 04:58:06,987 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:58:07,402 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$w_buff0~0 := 2;~x$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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:58:07,407 INFO L158 Benchmark]: Toolchain (without parser) took 1612.84ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 91.1MB in the end (delta: 24.4MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2024-12-06 04:58:07,408 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:58:07,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.60ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 88.8MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:58:07,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.26ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 86.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:58:07,409 INFO L158 Benchmark]: Boogie Preprocessor took 37.15ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 83.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:58:07,409 INFO L158 Benchmark]: RCFGBuilder took 1086.37ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 91.1MB in the end (delta: -7.3MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2024-12-06 04:58:07,411 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.60ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 88.8MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.26ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 86.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.15ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 83.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1086.37ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 91.1MB in the end (delta: -7.3MB). Peak memory consumption was 43.3MB. 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$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$w_buff0~0 := 2;~x$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 04:58:07,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/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_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/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_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/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_e56f650a-02ef-486b-beb5-3c5e5345ccab/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 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:58:09,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:58:09,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 04:58:09,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:58:09,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:58:09,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:58:09,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:58:09,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:58:09,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:58:09,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:58:09,559 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:58:09,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:58:09,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:58:09,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:58:09,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:58:09,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:58:09,559 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:58:09,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:58:09,560 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:58:09,560 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:58:09,560 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:58:09,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:58:09,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:58:09,560 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:58:09,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:58:09,560 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:58:09,560 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:58:09,560 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:58:09,561 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:58:09,561 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:58:09,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:58:09,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:58:09,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:58:09,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:58:09,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:58:09,561 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:58:09,561 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:58:09,561 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:58:09,561 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_e56f650a-02ef-486b-beb5-3c5e5345ccab/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 -> 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 [2024-12-06 04:58:09,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:58:09,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:58:09,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:58:09,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:58:09,833 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:58:09,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2024-12-06 04:58:12,542 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/data/f658b8ff3/2fc5c421ef7a49709b2b213adf2c4e66/FLAG9ef73a00b [2024-12-06 04:58:12,752 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:58:12,752 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2024-12-06 04:58:12,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/data/f658b8ff3/2fc5c421ef7a49709b2b213adf2c4e66/FLAG9ef73a00b [2024-12-06 04:58:12,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/data/f658b8ff3/2fc5c421ef7a49709b2b213adf2c4e66 [2024-12-06 04:58:12,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:58:12,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:58:12,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:58:12,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:58:12,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:58:12,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:58:12" (1/1) ... [2024-12-06 04:58:12,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632b8200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:12, skipping insertion in model container [2024-12-06 04:58:12,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:58:12" (1/1) ... [2024-12-06 04:58:12,813 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:58:13,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:58:13,103 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:58:13,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:58:13,198 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:58:13,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:13 WrapperNode [2024-12-06 04:58:13,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:58:13,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:58:13,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:58:13,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:58:13,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:13" (1/1) ... [2024-12-06 04:58:13,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:13" (1/1) ... [2024-12-06 04:58:13,244 INFO L138 Inliner]: procedures = 179, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 162 [2024-12-06 04:58:13,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:58:13,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:58:13,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:58:13,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:58:13,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:13" (1/1) ... [2024-12-06 04:58:13,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:13" (1/1) ... [2024-12-06 04:58:13,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:13" (1/1) ... [2024-12-06 04:58:13,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:13" (1/1) ... [2024-12-06 04:58:13,275 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:13" (1/1) ... [2024-12-06 04:58:13,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:13" (1/1) ... [2024-12-06 04:58:13,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:13" (1/1) ... [2024-12-06 04:58:13,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:13" (1/1) ... [2024-12-06 04:58:13,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:13" (1/1) ... [2024-12-06 04:58:13,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:58:13,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:58:13,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:58:13,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:58:13,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:13" (1/1) ... [2024-12-06 04:58:13,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:58:13,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:58:13,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:58:13,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:58:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 04:58:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:58:13,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:58:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 04:58:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:58:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 04:58:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:58:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 04:58:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 04:58:13,345 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 04:58:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 04:58:13,346 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 04:58:13,346 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 04:58:13,346 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 04:58:13,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 04:58:13,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:58:13,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:58:13,347 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 04:58:13,485 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:58:13,487 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:58:14,114 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 04:58:14,114 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:58:14,583 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$w_buff0~0 := 2bv32;~x$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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:58:14,589 INFO L158 Benchmark]: Toolchain (without parser) took 1807.51ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 68.7MB in the beginning and 86.1MB in the end (delta: -17.5MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2024-12-06 04:58:14,589 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:58:14,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.83ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 41.8MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:58:14,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.47ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 39.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:58:14,591 INFO L158 Benchmark]: Boogie Preprocessor took 44.24ms. Allocated memory is still 92.3MB. Free memory was 39.2MB in the beginning and 66.2MB in the end (delta: -26.9MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-12-06 04:58:14,592 INFO L158 Benchmark]: RCFGBuilder took 1297.20ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 66.2MB in the beginning and 86.1MB in the end (delta: -19.9MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-12-06 04:58:14,594 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.83ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 41.8MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.47ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 39.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.24ms. Allocated memory is still 92.3MB. Free memory was 39.2MB in the beginning and 66.2MB in the end (delta: -26.9MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1297.20ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 66.2MB in the beginning and 86.1MB in the end (delta: -19.9MB). Peak memory consumption was 49.4MB. 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$w_buff0~0 := 2bv32;~x$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$w_buff0~0 := 2bv32;~x$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 04:58:14,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56f650a-02ef-486b-beb5-3c5e5345ccab/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$w_buff0~0 := 2bv32;~x$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?