./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:50,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:50,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:07:50,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:50,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:50,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:50,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:50,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:50,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:50,975 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:50,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:50,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:50,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:50,978 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:07:50,978 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:07:50,978 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:07:50,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:50,979 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:07:50,980 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:50,980 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:50,981 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:50,981 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:50,982 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:50,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:50,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:50,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:50,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:50,984 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:50,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:50,985 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_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-19 03:07:51,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:51,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:51,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:51,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:51,330 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:51,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/singleton.i [2023-11-19 03:07:54,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:54,860 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:54,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/sv-benchmarks/c/pthread/singleton.i [2023-11-19 03:07:54,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/data/207f8ee27/9aa7546e2ee243d492ddce774d37de41/FLAGcc555924c [2023-11-19 03:07:54,894 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/data/207f8ee27/9aa7546e2ee243d492ddce774d37de41 [2023-11-19 03:07:54,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:54,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:54,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:54,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:54,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:54,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:54" (1/1) ... [2023-11-19 03:07:54,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a4ba79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:54, skipping insertion in model container [2023-11-19 03:07:54,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:54" (1/1) ... [2023-11-19 03:07:54,968 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:55,222 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:07:55,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:55,559 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:55,576 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:07:55,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:55,702 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:07:55,702 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:07:55,703 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:07:55,710 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:55,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:55 WrapperNode [2023-11-19 03:07:55,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:55,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:55,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:55,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:55,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:55" (1/1) ... [2023-11-19 03:07:55,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:55" (1/1) ... [2023-11-19 03:07:55,781 INFO L138 Inliner]: procedures = 325, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 37 [2023-11-19 03:07:55,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:55,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:55,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:55,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:55,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:55" (1/1) ... [2023-11-19 03:07:55,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:55" (1/1) ... [2023-11-19 03:07:55,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:55" (1/1) ... [2023-11-19 03:07:55,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:55" (1/1) ... [2023-11-19 03:07:55,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:55" (1/1) ... [2023-11-19 03:07:55,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:55" (1/1) ... [2023-11-19 03:07:55,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:55" (1/1) ... [2023-11-19 03:07:55,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:55" (1/1) ... [2023-11-19 03:07:55,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:55,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:55,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:55,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:55,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:55" (1/1) ... [2023-11-19 03:07:55,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:55,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:55,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:55,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:07:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:07:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:07:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:07:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:07:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-19 03:07:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-19 03:07:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:07:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:07:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:07:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:07:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:07:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:07:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:07:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:07:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:55,974 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:07:56,121 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:56,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:56,496 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:56,523 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:56,528 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:07:56,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:56 BoogieIcfgContainer [2023-11-19 03:07:56,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:56,535 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:56,536 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:56,547 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:56,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:56" (1/1) ... [2023-11-19 03:07:56,548 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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) [2023-11-19 03:07:56,552 INFO L158 Benchmark]: Toolchain (without parser) took 1652.44ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 116.2MB in the beginning and 142.9MB in the end (delta: -26.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-19 03:07:56,553 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 159.4MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:56,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.09ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 82.6MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 03:07:56,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.27ms. Allocated memory is still 159.4MB. Free memory was 82.6MB in the beginning and 80.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:07:56,555 INFO L158 Benchmark]: Boogie Preprocessor took 62.59ms. Allocated memory is still 159.4MB. Free memory was 80.1MB in the beginning and 78.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:56,556 INFO L158 Benchmark]: RCFGBuilder took 688.70ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 78.4MB in the beginning and 144.1MB in the end (delta: -65.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-19 03:07:56,557 INFO L158 Benchmark]: CodeCheck took 15.13ms. Allocated memory is still 192.9MB. Free memory was 144.1MB in the beginning and 142.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:56,570 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 159.4MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.09ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 82.6MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.27ms. Allocated memory is still 159.4MB. Free memory was 82.6MB in the beginning and 80.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.59ms. Allocated memory is still 159.4MB. Free memory was 80.1MB in the beginning and 78.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 688.70ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 78.4MB in the beginning and 144.1MB in the end (delta: -65.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * CodeCheck took 15.13ms. Allocated memory is still 192.9MB. Free memory was 144.1MB in the beginning and 142.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:07:56,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:59,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:59,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:07:59,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:59,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:59,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:59,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:59,499 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:59,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:59,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:59,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:59,505 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:07:59,506 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:07:59,508 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:07:59,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:59,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:07:59,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:07:59,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:07:59,510 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:07:59,511 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:59,512 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:59,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:59,513 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:59,513 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:59,514 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:59,514 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:07:59,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:59,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:59,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:59,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:59,518 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:07:59,518 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:59,518 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:07:59,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:07:59,519 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-19 03:07:59,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:59,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:59,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:59,914 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:59,915 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:59,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/singleton.i [2023-11-19 03:08:03,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:08:03,718 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:08:03,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/sv-benchmarks/c/pthread/singleton.i [2023-11-19 03:08:03,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/data/760667baf/abeaff1dc0954fcb83c562f65b161005/FLAG4763ca89c [2023-11-19 03:08:03,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/data/760667baf/abeaff1dc0954fcb83c562f65b161005 [2023-11-19 03:08:03,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:08:03,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:08:03,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:03,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:08:03,773 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:08:03,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:03" (1/1) ... [2023-11-19 03:08:03,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3428f469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:03, skipping insertion in model container [2023-11-19 03:08:03,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:03" (1/1) ... [2023-11-19 03:08:03,846 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:04,153 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:08:04,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:04,682 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:04,718 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:08:04,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:04,912 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:04,912 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:04,912 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:04,921 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:04,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:04 WrapperNode [2023-11-19 03:08:04,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:04,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:04,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:04,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:04,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:04" (1/1) ... [2023-11-19 03:08:04,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:04" (1/1) ... [2023-11-19 03:08:05,011 INFO L138 Inliner]: procedures = 328, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2023-11-19 03:08:05,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:05,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:05,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:05,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:05,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:04" (1/1) ... [2023-11-19 03:08:05,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:04" (1/1) ... [2023-11-19 03:08:05,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:04" (1/1) ... [2023-11-19 03:08:05,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:04" (1/1) ... [2023-11-19 03:08:05,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:04" (1/1) ... [2023-11-19 03:08:05,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:04" (1/1) ... [2023-11-19 03:08:05,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:04" (1/1) ... [2023-11-19 03:08:05,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:04" (1/1) ... [2023-11-19 03:08:05,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:05,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:05,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:05,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:05,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:04" (1/1) ... [2023-11-19 03:08:05,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:05,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:05,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:05,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 03:08:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:08:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:08:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:08:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 03:08:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:08:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:08:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:08:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:08:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-19 03:08:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-19 03:08:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:08:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:08:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:08:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:08:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:08:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:08:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:08:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:05,181 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:08:05,441 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:05,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:05,943 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:05,973 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:05,973 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:08:05,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:05 BoogieIcfgContainer [2023-11-19 03:08:05,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:05,979 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:05,979 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:05,990 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:05,991 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,992 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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) [2023-11-19 03:08:05,998 INFO L158 Benchmark]: Toolchain (without parser) took 2231.70ms. Allocated memory is still 98.6MB. Free memory was 72.0MB in the beginning and 63.7MB in the end (delta: 8.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-19 03:08:05,999 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 60.8MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:06,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1154.94ms. Allocated memory is still 98.6MB. Free memory was 71.8MB in the beginning and 58.5MB in the end (delta: 13.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-19 03:08:06,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.49ms. Allocated memory is still 98.6MB. Free memory was 58.5MB in the beginning and 56.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:06,002 INFO L158 Benchmark]: Boogie Preprocessor took 77.13ms. Allocated memory is still 98.6MB. Free memory was 56.3MB in the beginning and 54.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:06,004 INFO L158 Benchmark]: RCFGBuilder took 887.86ms. Allocated memory is still 98.6MB. Free memory was 53.9MB in the beginning and 64.3MB in the end (delta: -10.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-19 03:08:06,005 INFO L158 Benchmark]: CodeCheck took 17.41ms. Allocated memory is still 98.6MB. Free memory was 64.3MB in the beginning and 63.7MB in the end (delta: 600.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:06,014 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 60.8MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1154.94ms. Allocated memory is still 98.6MB. Free memory was 71.8MB in the beginning and 58.5MB in the end (delta: 13.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.49ms. Allocated memory is still 98.6MB. Free memory was 58.5MB in the beginning and 56.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.13ms. Allocated memory is still 98.6MB. Free memory was 56.3MB in the beginning and 54.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 887.86ms. Allocated memory is still 98.6MB. Free memory was 53.9MB in the beginning and 64.3MB in the end (delta: -10.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * CodeCheck took 17.41ms. Allocated memory is still 98.6MB. Free memory was 64.3MB in the beginning and 63.7MB in the end (delta: 600.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:08:06,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76865711-6e47-49d9-9f7e-0d0fd7481188/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported