./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:14,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:14,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:47:14,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:47:14,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:47:14,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:14,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:47:14,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:47:14,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:14,880 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:14,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:14,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:47:14,882 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:47:14,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:47:14,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:47:14,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:14,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:47:14,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:14,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:47:14,887 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:47:14,887 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:14,888 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:47:14,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:47:14,889 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:14,890 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:14,890 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:14,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:14,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:14,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:14,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:14,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:47:14,893 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:47:14,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:47:14,894 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:47:14,894 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_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2023-11-11 23:47:15,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:15,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:15,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:15,243 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:15,244 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:15,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/queue.i [2023-11-11 23:47:18,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:47:18,739 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:47:18,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/sv-benchmarks/c/pthread/queue.i [2023-11-11 23:47:18,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/data/cc7cc257f/16d66db0acb74cdab103d56dab772be5/FLAGa8233459f [2023-11-11 23:47:18,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/data/cc7cc257f/16d66db0acb74cdab103d56dab772be5 [2023-11-11 23:47:18,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:47:18,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:47:18,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:18,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:47:18,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:47:18,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:18" (1/1) ... [2023-11-11 23:47:18,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad64611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:18, skipping insertion in model container [2023-11-11 23:47:18,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:18" (1/1) ... [2023-11-11 23:47:18,863 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:19,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:19,435 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:47:19,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:19,671 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:47:19,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:19 WrapperNode [2023-11-11 23:47:19,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:19,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:19,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:47:19,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:47:19,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:19" (1/1) ... [2023-11-11 23:47:19,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:19" (1/1) ... [2023-11-11 23:47:19,760 INFO L138 Inliner]: procedures = 274, calls = 71, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 137 [2023-11-11 23:47:19,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:19,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:47:19,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:47:19,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:47:19,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:19" (1/1) ... [2023-11-11 23:47:19,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:19" (1/1) ... [2023-11-11 23:47:19,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:19" (1/1) ... [2023-11-11 23:47:19,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:19" (1/1) ... [2023-11-11 23:47:19,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:19" (1/1) ... [2023-11-11 23:47:19,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:19" (1/1) ... [2023-11-11 23:47:19,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:19" (1/1) ... [2023-11-11 23:47:19,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:19" (1/1) ... [2023-11-11 23:47:19,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:47:19,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:47:19,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:47:19,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:47:19,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:19" (1/1) ... [2023-11-11 23:47:19,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:19,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:47:19,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:47:19,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:47:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:47:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:47:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:47:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:47:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:47:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:47:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:47:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-11 23:47:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-11 23:47:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:47:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-11 23:47:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-11 23:47:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:47:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:47:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:47:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:47:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:47:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:47:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:47:19,936 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:47:20,092 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:47:20,094 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:47:20,465 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:47:20,476 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:47:20,476 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:47:20,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:20 BoogieIcfgContainer [2023-11-11 23:47:20,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:47:20,480 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:47:20,480 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:47:20,491 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:47:20,491 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:20" (1/1) ... [2023-11-11 23:47:20,492 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) [2023-11-11 23:47:20,496 INFO L158 Benchmark]: Toolchain (without parser) took 1693.55ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 75.0MB in the end (delta: 22.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-11-11 23:47:20,497 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 102.8MB. Free memory was 72.1MB in the beginning and 72.1MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:20,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 867.72ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 103.5MB in the end (delta: -6.5MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2023-11-11 23:47:20,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.38ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 100.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:20,499 INFO L158 Benchmark]: Boogie Preprocessor took 73.38ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 98.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:20,500 INFO L158 Benchmark]: RCFGBuilder took 641.06ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 75.6MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:20,501 INFO L158 Benchmark]: CodeCheck took 14.48ms. Allocated memory is still 142.6MB. Free memory was 75.6MB in the beginning and 75.0MB in the end (delta: 606.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:20,504 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 0.69ms. Allocated memory is still 102.8MB. Free memory was 72.1MB in the beginning and 72.1MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 867.72ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 103.5MB in the end (delta: -6.5MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.38ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 100.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.38ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 98.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 641.06ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 75.6MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 14.48ms. Allocated memory is still 142.6MB. Free memory was 75.6MB in the beginning and 75.0MB in the end (delta: 606.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:47:20,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/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_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:23,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:23,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:47:23,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:23,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:47:23,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:47:23,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:23,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:23,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:23,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:47:23,543 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:47:23,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:47:23,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:23,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:47:23,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:23,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:47:23,547 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:47:23,548 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:47:23,549 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:47:23,549 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:47:23,550 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:23,551 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:47:23,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:47:23,552 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:23,553 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:23,553 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:23,554 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:47:23,554 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:47:23,555 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:47:23,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:23,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:23,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:23,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:23,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:47:23,558 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:47:23,559 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:47:23,559 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:47:23,560 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:47:23,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:47:23,561 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_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2023-11-11 23:47:24,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:24,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:24,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:24,093 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:24,094 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:24,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/queue.i [2023-11-11 23:47:27,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:47:27,772 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:47:27,773 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/sv-benchmarks/c/pthread/queue.i [2023-11-11 23:47:27,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/data/9cf2a9c91/27526f423a8e4e72ad9e24128412026f/FLAG545b433c0 [2023-11-11 23:47:27,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/data/9cf2a9c91/27526f423a8e4e72ad9e24128412026f [2023-11-11 23:47:27,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:47:27,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:47:27,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:27,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:47:27,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:47:27,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:27" (1/1) ... [2023-11-11 23:47:27,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6811e6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:27, skipping insertion in model container [2023-11-11 23:47:27,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:27" (1/1) ... [2023-11-11 23:47:27,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:28,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:28,594 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:47:28,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:28,767 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:47:28,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:28 WrapperNode [2023-11-11 23:47:28,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:28,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:28,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:47:28,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:47:28,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:28" (1/1) ... [2023-11-11 23:47:28,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:28" (1/1) ... [2023-11-11 23:47:28,871 INFO L138 Inliner]: procedures = 278, calls = 71, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 136 [2023-11-11 23:47:28,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:28,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:47:28,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:47:28,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:47:28,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:28" (1/1) ... [2023-11-11 23:47:28,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:28" (1/1) ... [2023-11-11 23:47:28,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:28" (1/1) ... [2023-11-11 23:47:28,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:28" (1/1) ... [2023-11-11 23:47:28,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:28" (1/1) ... [2023-11-11 23:47:28,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:28" (1/1) ... [2023-11-11 23:47:28,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:28" (1/1) ... [2023-11-11 23:47:28,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:28" (1/1) ... [2023-11-11 23:47:28,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:47:28,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:47:28,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:47:28,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:47:28,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:28" (1/1) ... [2023-11-11 23:47:28,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:29,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:47:29,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:47:29,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:47:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:47:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:47:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:47:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:47:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:47:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:47:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:47:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:47:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-11 23:47:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-11 23:47:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:47:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:47:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:47:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:47:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-11 23:47:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-11 23:47:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:47:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:47:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:47:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:47:29,060 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:47:29,293 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:47:29,296 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:47:30,012 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:47:30,040 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:47:30,041 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:47:30,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:30 BoogieIcfgContainer [2023-11-11 23:47:30,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:47:30,045 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:47:30,045 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:47:30,056 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:47:30,057 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:30" (1/1) ... [2023-11-11 23:47:30,059 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) [2023-11-11 23:47:30,065 INFO L158 Benchmark]: Toolchain (without parser) took 2232.86ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 45.5MB in the beginning and 72.8MB in the end (delta: -27.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:30,066 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:30,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 935.33ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 33.0MB in the end (delta: 12.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-11 23:47:30,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.97ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 33.0MB in the beginning and 74.8MB in the end (delta: -41.9MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-11-11 23:47:30,070 INFO L158 Benchmark]: Boogie Preprocessor took 96.48ms. Allocated memory is still 98.6MB. Free memory was 74.8MB in the beginning and 72.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:47:30,071 INFO L158 Benchmark]: RCFGBuilder took 1073.99ms. Allocated memory is still 98.6MB. Free memory was 72.1MB in the beginning and 73.9MB in the end (delta: -1.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-11 23:47:30,071 INFO L158 Benchmark]: CodeCheck took 18.61ms. Allocated memory is still 98.6MB. Free memory was 73.9MB in the beginning and 72.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:30,082 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 1.29ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 935.33ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 33.0MB in the end (delta: 12.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.97ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 33.0MB in the beginning and 74.8MB in the end (delta: -41.9MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.48ms. Allocated memory is still 98.6MB. Free memory was 74.8MB in the beginning and 72.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1073.99ms. Allocated memory is still 98.6MB. Free memory was 72.1MB in the beginning and 73.9MB in the end (delta: -1.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 18.61ms. Allocated memory is still 98.6MB. Free memory was 73.9MB in the beginning and 72.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:47:30,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e290b3bc-1164-40f9-bced-90412fc93207/bin/ukojak-verify-0OAaufAVZV/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