./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix000.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_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix000.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62286332e049ab35f6bf4022df54bae198ba0ceaf820c98713e2f1f442f473b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:04:34,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:04:34,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 02:04:34,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:04:34,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:04:34,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:04:34,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:04:34,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:04:34,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:04:34,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:04:34,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:04:34,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:04:34,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:04:34,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:04:34,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:04:34,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:04:34,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:04:34,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:04:34,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:04:34,394 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:04:34,394 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:04:34,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:04:34,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:04:34,394 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:04:34,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:04:34,395 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:04:34,395 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:04:34,395 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:04:34,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:04:34,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:04:34,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:04:34,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:04:34,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:04:34,395 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:04:34,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:04:34,396 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_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62286332e049ab35f6bf4022df54bae198ba0ceaf820c98713e2f1f442f473b5 [2024-11-25 02:04:34,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:04:34,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:04:34,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:04:34,680 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:04:34,680 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:04:34,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-wmm/mix000.oepc.i [2024-11-25 02:04:37,634 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/data/6f4a6eead/3c004b5629de4c91a74bc4ec0cb8aed7/FLAGa933ccd25 [2024-11-25 02:04:37,936 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:04:37,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/sv-benchmarks/c/pthread-wmm/mix000.oepc.i [2024-11-25 02:04:37,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/data/6f4a6eead/3c004b5629de4c91a74bc4ec0cb8aed7/FLAGa933ccd25 [2024-11-25 02:04:38,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/data/6f4a6eead/3c004b5629de4c91a74bc4ec0cb8aed7 [2024-11-25 02:04:38,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:04:38,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:04:38,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:04:38,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:04:38,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:04:38,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66035ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38, skipping insertion in model container [2024-11-25 02:04:38,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:04:38,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:04:38,663 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:04:38,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:04:38,783 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:04:38,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38 WrapperNode [2024-11-25 02:04:38,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:04:38,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:04:38,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:04:38,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:04:38,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,831 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-11-25 02:04:38,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:04:38,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:04:38,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:04:38,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:04:38,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,855 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:04:38,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:04:38,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:04:38,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:04:38,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:38" (1/1) ... [2024-11-25 02:04:38,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:04:38,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:04:38,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:04:38,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:04:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:04:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:04:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 02:04:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:04:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-25 02:04:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-25 02:04:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-25 02:04:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-25 02:04:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:04:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 02:04:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:04:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:04:38,946 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 02:04:39,107 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:04:39,110 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:04:39,537 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 02:04:39,537 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:04:39,778 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1;~y$w_buff1_used~0 := (if 0 == ~y$w_buff0_used~0 % 256 then 0 else 1);~y$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 02:04:39,783 INFO L158 Benchmark]: Toolchain (without parser) took 1570.31ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 71.4MB in the end (delta: 19.9MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-25 02:04:39,783 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:04:39,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.15ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 67.3MB in the end (delta: 23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:04:39,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.42ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 65.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:04:39,784 INFO L158 Benchmark]: Boogie Preprocessor took 33.89ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 63.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:04:39,785 INFO L158 Benchmark]: RCFGBuilder took 915.22ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 71.4MB in the end (delta: -7.6MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-25 02:04:39,787 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.15ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 67.3MB in the end (delta: 23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.42ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 65.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.89ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 63.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 915.22ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 71.4MB in the end (delta: -7.6MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1;~y$w_buff1_used~0 := (if 0 == ~y$w_buff0_used~0 % 256 then 0 else 1);~y$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1;~y$w_buff1_used~0 := (if 0 == ~y$w_buff0_used~0 % 256 then 0 else 1);~y$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:04:39,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix000.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62286332e049ab35f6bf4022df54bae198ba0ceaf820c98713e2f1f442f473b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:04:42,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:04:42,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 02:04:42,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:04:42,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:04:42,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:04:42,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:04:42,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:04:42,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:04:42,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:04:42,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:04:42,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:04:42,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:04:42,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:04:42,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:04:42,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:04:42,599 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:04:42,600 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:04:42,600 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:04:42,600 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:04:42,600 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:04:42,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:04:42,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:04:42,600 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:04:42,600 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:04:42,600 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:04:42,600 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:04:42,600 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:04:42,601 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:04:42,601 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:04:42,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:04:42,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:04:42,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:04:42,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:04:42,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:04:42,604 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:04:42,605 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:04:42,605 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:04:42,605 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_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62286332e049ab35f6bf4022df54bae198ba0ceaf820c98713e2f1f442f473b5 [2024-11-25 02:04:42,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:04:42,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:04:42,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:04:42,892 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:04:42,892 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:04:42,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-wmm/mix000.oepc.i [2024-11-25 02:04:45,717 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/data/8c1ed7ceb/5660798597674d3b87b30f3a9cf9b7e4/FLAG4fc5bb7bd [2024-11-25 02:04:46,132 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:04:46,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/sv-benchmarks/c/pthread-wmm/mix000.oepc.i [2024-11-25 02:04:46,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/data/8c1ed7ceb/5660798597674d3b87b30f3a9cf9b7e4/FLAG4fc5bb7bd [2024-11-25 02:04:46,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/data/8c1ed7ceb/5660798597674d3b87b30f3a9cf9b7e4 [2024-11-25 02:04:46,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:04:46,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:04:46,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:04:46,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:04:46,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:04:46,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:46,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1112d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46, skipping insertion in model container [2024-11-25 02:04:46,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:46,242 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:04:46,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:04:46,787 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:04:46,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:04:46,908 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:04:46,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46 WrapperNode [2024-11-25 02:04:46,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:04:46,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:04:46,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:04:46,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:04:46,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:46,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:46,959 INFO L138 Inliner]: procedures = 175, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-11-25 02:04:46,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:04:46,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:04:46,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:04:46,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:04:46,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:46,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:46,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:46,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:46,996 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:46,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:46,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:47,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:47,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:47,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:04:47,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:04:47,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:04:47,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:04:47,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:46" (1/1) ... [2024-11-25 02:04:47,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:04:47,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:04:47,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:04:47,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:04:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:04:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:04:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 02:04:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:04:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:04:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-25 02:04:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-25 02:04:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-25 02:04:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-25 02:04:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 02:04:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:04:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:04:47,081 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 02:04:47,238 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:04:47,240 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:04:47,669 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 02:04:47,670 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:04:47,883 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1bv32;~y$w_buff1_used~0 := (if 0bv8 == ~y$w_buff0_used~0 then 0bv8 else 1bv8);~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 02:04:47,891 INFO L158 Benchmark]: Toolchain (without parser) took 1707.37ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 51.5MB in the end (delta: 39.6MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-11-25 02:04:47,893 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:04:47,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.96ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 67.0MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:04:47,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.16ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 65.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:04:47,894 INFO L158 Benchmark]: Boogie Preprocessor took 47.21ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:04:47,894 INFO L158 Benchmark]: RCFGBuilder took 878.00ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 51.5MB in the end (delta: 11.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-25 02:04:47,896 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 720.96ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 67.0MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.16ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 65.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.21ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 878.00ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 51.5MB in the end (delta: 11.5MB). Peak memory consumption was 30.1MB. 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: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1bv32;~y$w_buff1_used~0 := (if 0bv8 == ~y$w_buff0_used~0 then 0bv8 else 1bv8);~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1bv32;~y$w_buff1_used~0 := (if 0bv8 == ~y$w_buff0_used~0 then 0bv8 else 1bv8);~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:04:47,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb6a3e3b-62d2-4dbc-991b-73df2be910f8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1bv32;~y$w_buff1_used~0 := (if 0bv8 == ~y$w_buff0_used~0 then 0bv8 else 1bv8);~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?