./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/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_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:23:02,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:23:02,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:23:02,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:23:02,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:23:02,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:23:02,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:23:02,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:23:02,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:23:02,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:23:02,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:23:02,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:23:02,659 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:23:02,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:23:02,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:23:02,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:23:02,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:23:02,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:23:02,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:23:02,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:23:02,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:23:02,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:23:02,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:23:02,667 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:23:02,667 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:23:02,667 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:23:02,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:23:02,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:23:02,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:23:02,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:23:02,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:23:02,673 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:23:02,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:23:02,673 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_4bd0929f-8305-48ce-97be-944360cff71b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 [2024-11-08 23:23:02,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:23:03,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:23:03,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:23:03,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:23:03,006 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:23:03,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i Unable to find full path for "g++" [2024-11-08 23:23:05,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:23:05,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:23:05,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2024-11-08 23:23:05,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/data/4dc5f8a30/11666bae8adc40d5ab6f7acbda61c1b0/FLAGeffa7e4ae [2024-11-08 23:23:05,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/data/4dc5f8a30/11666bae8adc40d5ab6f7acbda61c1b0 [2024-11-08 23:23:05,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:23:05,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:23:05,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:23:05,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:23:05,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:23:05,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:23:05" (1/1) ... [2024-11-08 23:23:05,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e921bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:05, skipping insertion in model container [2024-11-08 23:23:05,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:23:05" (1/1) ... [2024-11-08 23:23:05,491 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:23:05,950 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30369,30382] [2024-11-08 23:23:05,968 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30869,30882] [2024-11-08 23:23:05,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:23:05,988 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:23:06,058 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30369,30382] [2024-11-08 23:23:06,065 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30869,30882] [2024-11-08 23:23:06,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:23:06,120 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:23:06,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:06 WrapperNode [2024-11-08 23:23:06,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:23:06,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:23:06,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:23:06,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:23:06,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:06" (1/1) ... [2024-11-08 23:23:06,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:06" (1/1) ... [2024-11-08 23:23:06,176 INFO L138 Inliner]: procedures = 174, calls = 44, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 131 [2024-11-08 23:23:06,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:23:06,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:23:06,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:23:06,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:23:06,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:06" (1/1) ... [2024-11-08 23:23:06,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:06" (1/1) ... [2024-11-08 23:23:06,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:06" (1/1) ... [2024-11-08 23:23:06,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:06" (1/1) ... [2024-11-08 23:23:06,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:06" (1/1) ... [2024-11-08 23:23:06,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:06" (1/1) ... [2024-11-08 23:23:06,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:06" (1/1) ... [2024-11-08 23:23:06,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:06" (1/1) ... [2024-11-08 23:23:06,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:23:06,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:23:06,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:23:06,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:23:06,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:06" (1/1) ... [2024-11-08 23:23:06,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:23:06,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:23:06,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:23:06,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:23:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:23:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-08 23:23:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-08 23:23:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:23:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 23:23:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:23:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:23:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:23:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2024-11-08 23:23:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2024-11-08 23:23:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:23:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 23:23:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:23:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:23:06,316 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 23:23:06,472 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:23:06,474 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:23:06,773 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 23:23:06,774 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:23:07,046 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: ). 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) [2024-11-08 23:23:07,057 INFO L158 Benchmark]: Toolchain (without parser) took 1649.61ms. Allocated memory is still 151.0MB. Free memory was 122.8MB in the beginning and 114.1MB in the end (delta: 8.7MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2024-11-08 23:23:07,058 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:23:07,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 716.32ms. Allocated memory is still 151.0MB. Free memory was 122.6MB in the beginning and 101.3MB in the end (delta: 21.3MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-11-08 23:23:07,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.60ms. Allocated memory is still 151.0MB. Free memory was 101.3MB in the beginning and 98.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:23:07,061 INFO L158 Benchmark]: Boogie Preprocessor took 42.80ms. Allocated memory is still 151.0MB. Free memory was 98.6MB in the beginning and 97.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:23:07,061 INFO L158 Benchmark]: RCFGBuilder took 831.34ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 114.1MB in the end (delta: -17.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 23:23:07,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 716.32ms. Allocated memory is still 151.0MB. Free memory was 122.6MB in the beginning and 101.3MB in the end (delta: 21.3MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.60ms. Allocated memory is still 151.0MB. Free memory was 101.3MB in the beginning and 98.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.80ms. Allocated memory is still 151.0MB. Free memory was 98.6MB in the beginning and 97.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 831.34ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 114.1MB in the end (delta: -17.0MB). Peak memory consumption was 25.2MB. 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: ). 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: ). 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. [2024-11-08 23:23:07,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/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 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_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/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_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:23:09,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:23:09,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:23:09,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:23:09,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:23:09,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:23:09,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:23:09,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:23:09,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:23:09,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:23:09,803 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:23:09,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:23:09,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:23:09,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:23:09,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:23:09,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:23:09,805 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:23:09,806 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:23:09,806 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:23:09,806 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:23:09,807 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:23:09,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:23:09,810 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:23:09,810 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:23:09,810 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:23:09,811 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:23:09,811 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:09,812 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:23:09,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:23:09,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:23:09,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:23:09,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:23:09,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:23:09,814 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:23:09,814 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:09,815 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:23:09,815 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_4bd0929f-8305-48ce-97be-944360cff71b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 [2024-11-08 23:23:10,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:23:10,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:23:10,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:23:10,238 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:23:10,239 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:23:10,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i Unable to find full path for "g++" [2024-11-08 23:23:12,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:23:12,622 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:23:12,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2024-11-08 23:23:12,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/data/70429ebec/60e4b742e6ea41d0b2ffacc9d7a1b466/FLAG144f1474f [2024-11-08 23:23:12,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/data/70429ebec/60e4b742e6ea41d0b2ffacc9d7a1b466 [2024-11-08 23:23:12,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:23:12,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:23:12,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:23:12,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:23:12,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:23:12,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:23:12" (1/1) ... [2024-11-08 23:23:12,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@640d9932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:12, skipping insertion in model container [2024-11-08 23:23:12,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:23:12" (1/1) ... [2024-11-08 23:23:12,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:23:13,188 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30369,30382] [2024-11-08 23:23:13,206 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30869,30882] [2024-11-08 23:23:13,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:23:13,235 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:23:13,304 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30369,30382] [2024-11-08 23:23:13,313 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30869,30882] [2024-11-08 23:23:13,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:23:13,385 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:23:13,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:13 WrapperNode [2024-11-08 23:23:13,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:23:13,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:23:13,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:23:13,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:23:13,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:13" (1/1) ... [2024-11-08 23:23:13,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:13" (1/1) ... [2024-11-08 23:23:13,467 INFO L138 Inliner]: procedures = 178, calls = 44, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 131 [2024-11-08 23:23:13,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:23:13,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:23:13,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:23:13,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:23:13,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:13" (1/1) ... [2024-11-08 23:23:13,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:13" (1/1) ... [2024-11-08 23:23:13,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:13" (1/1) ... [2024-11-08 23:23:13,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:13" (1/1) ... [2024-11-08 23:23:13,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:13" (1/1) ... [2024-11-08 23:23:13,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:13" (1/1) ... [2024-11-08 23:23:13,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:13" (1/1) ... [2024-11-08 23:23:13,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:13" (1/1) ... [2024-11-08 23:23:13,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:23:13,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:23:13,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:23:13,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:23:13,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:13" (1/1) ... [2024-11-08 23:23:13,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:23:13,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:23:13,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:23:13,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:23:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:23:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-08 23:23:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-08 23:23:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 23:23:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:23:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:23:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:23:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:23:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:23:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-08 23:23:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2024-11-08 23:23:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2024-11-08 23:23:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 23:23:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:23:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:23:13,631 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 23:23:13,797 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:23:13,800 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:23:14,237 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 23:23:14,238 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:23:14,417 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: ). 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) [2024-11-08 23:23:14,424 INFO L158 Benchmark]: Toolchain (without parser) took 1754.20ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 25.1MB in the beginning and 37.3MB in the end (delta: -12.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-11-08 23:23:14,425 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:23:14,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 715.48ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 24.9MB in the beginning and 50.7MB in the end (delta: -25.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-08 23:23:14,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.13ms. Allocated memory is still 75.5MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:23:14,429 INFO L158 Benchmark]: Boogie Preprocessor took 59.73ms. Allocated memory is still 75.5MB. Free memory was 48.6MB in the beginning and 46.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:23:14,431 INFO L158 Benchmark]: RCFGBuilder took 893.76ms. Allocated memory is still 75.5MB. Free memory was 46.2MB in the beginning and 37.3MB in the end (delta: 8.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-08 23:23:14,436 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 58.7MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 715.48ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 24.9MB in the beginning and 50.7MB in the end (delta: -25.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.13ms. Allocated memory is still 75.5MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.73ms. Allocated memory is still 75.5MB. Free memory was 48.6MB in the beginning and 46.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 893.76ms. Allocated memory is still 75.5MB. Free memory was 46.2MB in the beginning and 37.3MB in the end (delta: 8.9MB). Peak memory consumption was 19.5MB. 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: ). 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: ). 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. [2024-11-08 23:23:14,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bd0929f-8305-48ce-97be-944360cff71b/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: ). Is there illegal control flow (e.g. loops) within an atomic block?