./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1d84228246cc640f111b0bf0907a0ec6838e3ee0e70770c8d77ae15dd23f4db --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:52:56,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:52:56,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-09 00:52:56,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:52:56,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:52:56,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:52:56,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:52:56,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:52:56,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:52:56,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:52:56,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:52:56,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:52:56,497 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:52:56,497 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:52:56,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:52:56,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:52:56,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:52:56,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:52:56,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:52:56,499 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:52:56,500 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:52:56,500 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:52:56,501 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:52:56,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:52:56,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:52:56,501 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:52:56,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:52:56,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:52:56,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:52:56,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:56,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:52:56,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:52:56,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:52:56,507 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:52:56,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:52:56,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1d84228246cc640f111b0bf0907a0ec6838e3ee0e70770c8d77ae15dd23f4db [2024-11-09 00:52:56,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:52:56,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:52:56,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:52:56,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:52:56,845 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:52:56,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i Unable to find full path for "g++" [2024-11-09 00:52:58,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:52:59,178 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:52:59,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/sv-benchmarks/c/pthread-wmm/rfi008.oepc.i [2024-11-09 00:52:59,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/data/07ce53987/1c126a17559a4095936a007f96657e75/FLAG33f121972 [2024-11-09 00:52:59,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/data/07ce53987/1c126a17559a4095936a007f96657e75 [2024-11-09 00:52:59,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:52:59,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:52:59,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:52:59,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:52:59,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:52:59,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:59" (1/1) ... [2024-11-09 00:52:59,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243a2ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:59, skipping insertion in model container [2024-11-09 00:52:59,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:59" (1/1) ... [2024-11-09 00:52:59,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:52:59,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:52:59,882 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:52:59,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:53:00,005 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:53:00,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:00 WrapperNode [2024-11-09 00:53:00,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:53:00,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:53:00,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:53:00,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:53:00,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:00" (1/1) ... [2024-11-09 00:53:00,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:00" (1/1) ... [2024-11-09 00:53:00,076 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-11-09 00:53:00,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:53:00,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:53:00,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:53:00,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:53:00,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:00" (1/1) ... [2024-11-09 00:53:00,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:00" (1/1) ... [2024-11-09 00:53:00,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:00" (1/1) ... [2024-11-09 00:53:00,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:00" (1/1) ... [2024-11-09 00:53:00,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:00" (1/1) ... [2024-11-09 00:53:00,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:00" (1/1) ... [2024-11-09 00:53:00,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:00" (1/1) ... [2024-11-09 00:53:00,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:00" (1/1) ... [2024-11-09 00:53:00,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:53:00,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:53:00,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:53:00,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:53:00,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:00" (1/1) ... [2024-11-09 00:53:00,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:53:00,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:53:00,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:53:00,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:53:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:53:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:53:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 00:53:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:53:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 00:53:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 00:53:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 00:53:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 00:53:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:53:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 00:53:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:53:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:53:00,229 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 00:53:00,394 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:53:00,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:53:00,806 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 00:53:00,806 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:53:01,089 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1;~x$w_buff1_used~0 := (if 0 == ~x$w_buff0_used~0 % 256 then 0 else 1);~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2024-11-09 00:53:01,095 INFO L158 Benchmark]: Toolchain (without parser) took 1863.50ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 106.6MB in the beginning and 112.5MB in the end (delta: -5.8MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2024-11-09 00:53:01,099 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 64.4MB in the beginning and 64.2MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:53:01,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 773.27ms. Allocated memory is still 138.4MB. Free memory was 106.6MB in the beginning and 79.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 00:53:01,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.49ms. Allocated memory is still 138.4MB. Free memory was 79.9MB in the beginning and 77.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:53:01,101 INFO L158 Benchmark]: Boogie Preprocessor took 47.98ms. Allocated memory is still 138.4MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:53:01,103 INFO L158 Benchmark]: RCFGBuilder took 968.16ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 75.3MB in the beginning and 112.5MB in the end (delta: -37.2MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-11-09 00:53:01,108 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 64.4MB in the beginning and 64.2MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 773.27ms. Allocated memory is still 138.4MB. Free memory was 106.6MB in the beginning and 79.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.49ms. Allocated memory is still 138.4MB. Free memory was 79.9MB in the beginning and 77.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.98ms. Allocated memory is still 138.4MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 968.16ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 75.3MB in the beginning and 112.5MB in the end (delta: -37.2MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1;~x$w_buff1_used~0 := (if 0 == ~x$w_buff0_used~0 % 256 then 0 else 1);~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1;~x$w_buff1_used~0 := (if 0 == ~x$w_buff0_used~0 % 256 then 0 else 1);~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:53:01,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1d84228246cc640f111b0bf0907a0ec6838e3ee0e70770c8d77ae15dd23f4db --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:53:03,632 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:53:03,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-09 00:53:03,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:53:03,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:53:03,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:53:03,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:53:03,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:53:03,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:53:03,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:53:03,798 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:53:03,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:53:03,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:53:03,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:53:03,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:53:03,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:53:03,800 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:53:03,803 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:53:03,804 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:53:03,804 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:53:03,805 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:53:03,808 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:53:03,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:53:03,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:53:03,809 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:53:03,809 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:53:03,809 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:53:03,810 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:53:03,810 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:03,810 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:53:03,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:53:03,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:53:03,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:53:03,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:53:03,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:53:03,812 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:53:03,812 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:03,812 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:53:03,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1d84228246cc640f111b0bf0907a0ec6838e3ee0e70770c8d77ae15dd23f4db [2024-11-09 00:53:04,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:53:04,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:53:04,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:53:04,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:53:04,232 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:53:04,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i Unable to find full path for "g++" [2024-11-09 00:53:06,160 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:53:06,499 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:53:06,500 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/sv-benchmarks/c/pthread-wmm/rfi008.oepc.i [2024-11-09 00:53:06,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/data/db15687ab/a27b06951a484529b9dcb9affd360b0c/FLAGd1bbb6dda [2024-11-09 00:53:06,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/data/db15687ab/a27b06951a484529b9dcb9affd360b0c [2024-11-09 00:53:06,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:53:06,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:53:06,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:53:06,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:53:06,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:53:06,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:53:06" (1/1) ... [2024-11-09 00:53:06,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93d5197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:06, skipping insertion in model container [2024-11-09 00:53:06,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:53:06" (1/1) ... [2024-11-09 00:53:06,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:53:07,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:53:07,208 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:53:07,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:53:07,391 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:53:07,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:07 WrapperNode [2024-11-09 00:53:07,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:53:07,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:53:07,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:53:07,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:53:07,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:07" (1/1) ... [2024-11-09 00:53:07,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:07" (1/1) ... [2024-11-09 00:53:07,451 INFO L138 Inliner]: procedures = 175, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-11-09 00:53:07,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:53:07,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:53:07,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:53:07,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:53:07,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:07" (1/1) ... [2024-11-09 00:53:07,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:07" (1/1) ... [2024-11-09 00:53:07,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:07" (1/1) ... [2024-11-09 00:53:07,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:07" (1/1) ... [2024-11-09 00:53:07,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:07" (1/1) ... [2024-11-09 00:53:07,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:07" (1/1) ... [2024-11-09 00:53:07,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:07" (1/1) ... [2024-11-09 00:53:07,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:07" (1/1) ... [2024-11-09 00:53:07,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:53:07,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:53:07,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:53:07,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:53:07,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:07" (1/1) ... [2024-11-09 00:53:07,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:53:07,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:53:07,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:53:07,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:53:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:53:07,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:53:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 00:53:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:53:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:53:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 00:53:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 00:53:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 00:53:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 00:53:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 00:53:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:53:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:53:07,616 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 00:53:07,798 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:53:07,801 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:53:08,260 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 00:53:08,260 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:53:08,550 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2024-11-09 00:53:08,555 INFO L158 Benchmark]: Toolchain (without parser) took 2007.62ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 63.2MB in the beginning and 94.8MB in the end (delta: -31.6MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-09 00:53:08,559 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 63.9MB in the end (delta: 141.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:53:08,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.34ms. Allocated memory is still 88.1MB. Free memory was 62.9MB in the beginning and 59.3MB in the end (delta: 3.7MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-11-09 00:53:08,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.65ms. Allocated memory is still 88.1MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:53:08,561 INFO L158 Benchmark]: Boogie Preprocessor took 64.81ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 54.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:53:08,562 INFO L158 Benchmark]: RCFGBuilder took 1036.27ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 54.7MB in the beginning and 94.8MB in the end (delta: -40.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-09 00:53:08,569 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 63.9MB in the end (delta: 141.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.34ms. Allocated memory is still 88.1MB. Free memory was 62.9MB in the beginning and 59.3MB in the end (delta: 3.7MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.65ms. Allocated memory is still 88.1MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.81ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 54.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1036.27ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 54.7MB in the beginning and 94.8MB in the end (delta: -40.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:53:08,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6bf1ce-dc2e-4754-88d3-9631d875a5a9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?