./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b --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 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:50:21,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:50:21,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:50:21,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:50:21,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:50:21,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:50:21,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:50:21,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:50:21,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:50:21,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:50:21,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:50:21,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:50:21,482 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:50:21,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:50:21,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:50:21,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:50:21,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:50:21,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:50:21,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:50:21,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:50:21,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:50:21,483 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:50:21,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:50:21,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:50:21,483 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:50:21,483 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:50:21,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:50:21,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:50:21,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:50:21,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:50:21,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:50:21,484 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:50:21,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:50:21,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c [2024-12-05 22:50:21,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:50:21,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:50:21,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:50:21,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:50:21,703 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:50:21,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread/fib_unsafe-12.i [2024-12-05 22:50:24,287 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/data/279360058/e68bed4dce8e49ed8e8be58de794ae32/FLAG126af5904 [2024-12-05 22:50:24,533 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:50:24,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/sv-benchmarks/c/pthread/fib_unsafe-12.i [2024-12-05 22:50:24,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/data/279360058/e68bed4dce8e49ed8e8be58de794ae32/FLAG126af5904 [2024-12-05 22:50:24,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/data/279360058/e68bed4dce8e49ed8e8be58de794ae32 [2024-12-05 22:50:24,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:50:24,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:50:24,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:50:24,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:50:24,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:50:24,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:50:24" (1/1) ... [2024-12-05 22:50:24,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770f4963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:24, skipping insertion in model container [2024-12-05 22:50:24,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:50:24" (1/1) ... [2024-12-05 22:50:24,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:50:25,151 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_63194f4a-b77d-48c0-b892-90fef3632218/sv-benchmarks/c/pthread/fib_unsafe-12.i[30243,30256] [2024-12-05 22:50:25,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:50:25,182 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:50:25,214 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_63194f4a-b77d-48c0-b892-90fef3632218/sv-benchmarks/c/pthread/fib_unsafe-12.i[30243,30256] [2024-12-05 22:50:25,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:50:25,250 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:50:25,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:25 WrapperNode [2024-12-05 22:50:25,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:50:25,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:50:25,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:50:25,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:50:25,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:25" (1/1) ... [2024-12-05 22:50:25,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:25" (1/1) ... [2024-12-05 22:50:25,282 INFO L138 Inliner]: procedures = 164, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-12-05 22:50:25,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:50:25,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:50:25,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:50:25,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:50:25,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:25" (1/1) ... [2024-12-05 22:50:25,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:25" (1/1) ... [2024-12-05 22:50:25,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:25" (1/1) ... [2024-12-05 22:50:25,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:25" (1/1) ... [2024-12-05 22:50:25,295 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:25" (1/1) ... [2024-12-05 22:50:25,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:25" (1/1) ... [2024-12-05 22:50:25,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:25" (1/1) ... [2024-12-05 22:50:25,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:25" (1/1) ... [2024-12-05 22:50:25,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:25" (1/1) ... [2024-12-05 22:50:25,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:50:25,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:50:25,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:50:25,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:50:25,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:25" (1/1) ... [2024-12-05 22:50:25,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:50:25,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:50:25,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:50:25,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:50:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-12-05 22:50:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-12-05 22:50:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-12-05 22:50:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-12-05 22:50:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 22:50:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:50:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:50:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 22:50:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:50:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:50:25,357 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 22:50:25,445 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:50:25,446 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:50:25,568 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 22:50:25,568 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:50:25,577 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:50:25,577 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 22:50:25,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:50:25 BoogieIcfgContainer [2024-12-05 22:50:25,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:50:25,578 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:50:25,579 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:50:25,587 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:50:25,587 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:50:25" (1/1) ... [2024-12-05 22:50:25,588 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:356) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:50:25,593 INFO L158 Benchmark]: Toolchain (without parser) took 722.31ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 79.2MB in the end (delta: 36.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:50:25,593 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:50:25,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.98ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 96.2MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:50:25,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.18ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:50:25,594 INFO L158 Benchmark]: Boogie Preprocessor took 20.00ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.6MB in the end (delta: 951.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:50:25,595 INFO L158 Benchmark]: RCFGBuilder took 274.16ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 80.5MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:50:25,595 INFO L158 Benchmark]: CodeCheck took 12.89ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 79.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:50:25,597 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:172) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.98ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 96.2MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.18ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.00ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.6MB in the end (delta: 951.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.16ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 80.5MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 12.89ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 79.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:50:25,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b --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 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:50:27,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:50:27,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:50:27,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:50:27,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:50:27,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:50:27,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:50:27,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:50:27,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:50:27,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:50:27,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:50:27,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:50:27,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:50:27,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:50:27,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:50:27,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:50:27,600 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:50:27,600 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:50:27,600 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:50:27,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:50:27,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:50:27,601 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:50:27,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:50:27,601 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:50:27,601 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:50:27,601 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:50:27,601 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:27,601 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:50:27,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:50:27,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:50:27,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:50:27,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:50:27,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:50:27,602 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:50:27,602 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:27,602 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:50:27,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c [2024-12-05 22:50:27,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:50:27,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:50:27,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:50:27,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:50:27,854 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:50:27,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread/fib_unsafe-12.i [2024-12-05 22:50:30,544 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/data/beea74124/d0529b47c3e34f82b80ce54fd2a1110d/FLAGe1a0d629d [2024-12-05 22:50:30,764 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:50:30,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/sv-benchmarks/c/pthread/fib_unsafe-12.i [2024-12-05 22:50:30,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/data/beea74124/d0529b47c3e34f82b80ce54fd2a1110d/FLAGe1a0d629d [2024-12-05 22:50:30,792 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/data/beea74124/d0529b47c3e34f82b80ce54fd2a1110d [2024-12-05 22:50:30,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:50:30,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:50:30,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:50:30,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:50:30,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:50:30,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:50:30" (1/1) ... [2024-12-05 22:50:30,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7390cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:30, skipping insertion in model container [2024-12-05 22:50:30,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:50:30" (1/1) ... [2024-12-05 22:50:30,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:50:31,068 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_63194f4a-b77d-48c0-b892-90fef3632218/sv-benchmarks/c/pthread/fib_unsafe-12.i[30243,30256] [2024-12-05 22:50:31,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:50:31,097 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:50:31,128 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_63194f4a-b77d-48c0-b892-90fef3632218/sv-benchmarks/c/pthread/fib_unsafe-12.i[30243,30256] [2024-12-05 22:50:31,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:50:31,167 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:50:31,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:31 WrapperNode [2024-12-05 22:50:31,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:50:31,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:50:31,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:50:31,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:50:31,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:31" (1/1) ... [2024-12-05 22:50:31,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:31" (1/1) ... [2024-12-05 22:50:31,200 INFO L138 Inliner]: procedures = 165, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-12-05 22:50:31,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:50:31,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:50:31,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:50:31,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:50:31,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:31" (1/1) ... [2024-12-05 22:50:31,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:31" (1/1) ... [2024-12-05 22:50:31,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:31" (1/1) ... [2024-12-05 22:50:31,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:31" (1/1) ... [2024-12-05 22:50:31,216 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:31" (1/1) ... [2024-12-05 22:50:31,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:31" (1/1) ... [2024-12-05 22:50:31,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:31" (1/1) ... [2024-12-05 22:50:31,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:31" (1/1) ... [2024-12-05 22:50:31,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:31" (1/1) ... [2024-12-05 22:50:31,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:50:31,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:50:31,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:50:31,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:50:31,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:50:31" (1/1) ... [2024-12-05 22:50:31,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:50:31,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:50:31,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:50:31,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:50:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-12-05 22:50:31,272 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-12-05 22:50:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-12-05 22:50:31,272 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-12-05 22:50:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 22:50:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:50:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:50:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 22:50:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:50:31,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:50:31,274 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 22:50:31,378 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:50:31,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:50:31,528 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 22:50:31,528 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:50:31,537 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:50:31,537 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 22:50:31,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:50:31 BoogieIcfgContainer [2024-12-05 22:50:31,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:50:31,538 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:50:31,539 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:50:31,548 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:50:31,548 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:50:31" (1/1) ... [2024-12-05 22:50:31,549 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:356) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:50:31,554 INFO L158 Benchmark]: Toolchain (without parser) took 757.37ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 59.2MB in the end (delta: 9.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-12-05 22:50:31,554 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:50:31,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.39ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 48.3MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:50:31,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.40ms. Allocated memory is still 92.3MB. Free memory was 48.2MB in the beginning and 46.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:50:31,555 INFO L158 Benchmark]: Boogie Preprocessor took 23.89ms. Allocated memory is still 92.3MB. Free memory was 46.5MB in the beginning and 45.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:50:31,556 INFO L158 Benchmark]: RCFGBuilder took 312.75ms. Allocated memory is still 92.3MB. Free memory was 45.1MB in the beginning and 60.3MB in the end (delta: -15.3MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-12-05 22:50:31,556 INFO L158 Benchmark]: CodeCheck took 13.78ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 59.2MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:50:31,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:172) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.39ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 48.3MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.40ms. Allocated memory is still 92.3MB. Free memory was 48.2MB in the beginning and 46.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.89ms. Allocated memory is still 92.3MB. Free memory was 46.5MB in the beginning and 45.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 312.75ms. Allocated memory is still 92.3MB. Free memory was 45.1MB in the beginning and 60.3MB in the end (delta: -15.3MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * CodeCheck took 13.78ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 59.2MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:50:31,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63194f4a-b77d-48c0-b892-90fef3632218/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported