./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 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_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/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_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 02:47:20,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:20,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:47:20,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:20,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:21,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:21,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:21,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:21,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:21,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:21,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:21,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:21,019 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:21,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:21,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:21,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:21,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:21,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:21,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:21,023 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:47:21,024 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:47:21,024 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:21,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:21,025 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:21,025 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:21,026 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:21,026 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:21,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:21,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:21,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:21,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:21,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:21,031 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:21,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:21,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:21,032 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_4be270ee-ad01-40e7-ae49-15a326c65c87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2023-11-19 02:47:21,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:21,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:21,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:21,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:21,314 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:21,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/queue.i [2023-11-19 02:47:24,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:24,759 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:24,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/sv-benchmarks/c/pthread/queue.i [2023-11-19 02:47:24,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/data/5fe1e2b1c/057297f3b0c14e2f996cf99ed8df363c/FLAG337d02a8d [2023-11-19 02:47:24,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/data/5fe1e2b1c/057297f3b0c14e2f996cf99ed8df363c [2023-11-19 02:47:24,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:24,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:24,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:24,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:24,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:24,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:24" (1/1) ... [2023-11-19 02:47:24,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356c0d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:24, skipping insertion in model container [2023-11-19 02:47:24,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:24" (1/1) ... [2023-11-19 02:47:24,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:25,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:25,477 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:25,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:25,605 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:25,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:25 WrapperNode [2023-11-19 02:47:25,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:25,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:25,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:25,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:25,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:25" (1/1) ... [2023-11-19 02:47:25,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:25" (1/1) ... [2023-11-19 02:47:25,665 INFO L138 Inliner]: procedures = 274, calls = 71, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 137 [2023-11-19 02:47:25,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:25,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:25,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:25,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:25,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:25" (1/1) ... [2023-11-19 02:47:25,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:25" (1/1) ... [2023-11-19 02:47:25,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:25" (1/1) ... [2023-11-19 02:47:25,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:25" (1/1) ... [2023-11-19 02:47:25,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:25" (1/1) ... [2023-11-19 02:47:25,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:25" (1/1) ... [2023-11-19 02:47:25,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:25" (1/1) ... [2023-11-19 02:47:25,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:25" (1/1) ... [2023-11-19 02:47:25,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:25,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:25,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:25,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:25,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:25" (1/1) ... [2023-11-19 02:47:25,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:25,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:25,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:25,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 02:47:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 02:47:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 02:47:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 02:47:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 02:47:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 02:47:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:47:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-19 02:47:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-19 02:47:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:47:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-19 02:47:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-19 02:47:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:47:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:47:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 02:47:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:47:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:25,846 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 02:47:26,051 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:26,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:26,609 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:26,623 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:26,623 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:47:26,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:26 BoogieIcfgContainer [2023-11-19 02:47:26,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:26,630 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:26,630 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:26,640 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:26,640 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:26" (1/1) ... [2023-11-19 02:47:26,641 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 02:47:26,645 INFO L158 Benchmark]: Toolchain (without parser) took 1829.12ms. Allocated memory is still 153.1MB. Free memory was 121.2MB in the beginning and 115.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-11-19 02:47:26,646 INFO L158 Benchmark]: CDTParser took 1.50ms. Allocated memory is still 125.8MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:26,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.60ms. Allocated memory is still 153.1MB. Free memory was 120.9MB in the beginning and 90.8MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 02:47:26,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.23ms. Allocated memory is still 153.1MB. Free memory was 90.8MB in the beginning and 88.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:47:26,648 INFO L158 Benchmark]: Boogie Preprocessor took 78.32ms. Allocated memory is still 153.1MB. Free memory was 88.1MB in the beginning and 85.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:47:26,649 INFO L158 Benchmark]: RCFGBuilder took 883.78ms. Allocated memory is still 153.1MB. Free memory was 85.8MB in the beginning and 117.3MB in the end (delta: -31.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 02:47:26,649 INFO L158 Benchmark]: CodeCheck took 13.80ms. Allocated memory is still 153.1MB. Free memory was 117.3MB in the beginning and 115.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:47:26,653 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 1.50ms. Allocated memory is still 125.8MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.60ms. Allocated memory is still 153.1MB. Free memory was 120.9MB in the beginning and 90.8MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.23ms. Allocated memory is still 153.1MB. Free memory was 90.8MB in the beginning and 88.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.32ms. Allocated memory is still 153.1MB. Free memory was 88.1MB in the beginning and 85.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 883.78ms. Allocated memory is still 153.1MB. Free memory was 85.8MB in the beginning and 117.3MB in the end (delta: -31.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 13.80ms. Allocated memory is still 153.1MB. Free memory was 117.3MB in the beginning and 115.8MB in the end (delta: 1.4MB). 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 02:47:26,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/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_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/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_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 02:47:29,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:29,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:47:29,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:29,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:29,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:29,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:29,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:29,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:29,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:29,455 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:29,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:29,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:29,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:29,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:29,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:29,458 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:47:29,459 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:47:29,459 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:47:29,460 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:47:29,460 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:47:29,461 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:29,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:29,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:29,462 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:29,463 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:29,463 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:29,463 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:47:29,464 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:47:29,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:29,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:29,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:29,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:29,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:29,466 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:47:29,467 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:47:29,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:29,468 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:47:29,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:47:29,468 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_4be270ee-ad01-40e7-ae49-15a326c65c87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2023-11-19 02:47:29,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:29,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:29,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:29,947 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:29,948 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:29,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/queue.i [2023-11-19 02:47:33,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:33,754 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:33,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/sv-benchmarks/c/pthread/queue.i [2023-11-19 02:47:33,786 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/data/a95c8c0ba/c5ad92a5738142f5824a65b507deb8ba/FLAG74b0d3cb9 [2023-11-19 02:47:33,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/data/a95c8c0ba/c5ad92a5738142f5824a65b507deb8ba [2023-11-19 02:47:33,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:33,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:33,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:33,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:33,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:33,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:33" (1/1) ... [2023-11-19 02:47:33,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce7f72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:33, skipping insertion in model container [2023-11-19 02:47:33,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:33" (1/1) ... [2023-11-19 02:47:33,916 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:34,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:34,690 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:34,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:34,849 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:34,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34 WrapperNode [2023-11-19 02:47:34,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:34,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:34,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:34,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:34,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,928 INFO L138 Inliner]: procedures = 278, calls = 71, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 136 [2023-11-19 02:47:34,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:34,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:34,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:34,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:34,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:35,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:35,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:35,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:35,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:35,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:35,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:35,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:35,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:35,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:35,109 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 02:47:35,110 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 02:47:35,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:47:35,111 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 02:47:35,111 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 02:47:35,111 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 02:47:35,111 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 02:47:35,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:47:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-19 02:47:35,112 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-19 02:47:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:47:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:47:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:47:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 02:47:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-19 02:47:35,113 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-19 02:47:35,115 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 02:47:35,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:35,118 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 02:47:35,296 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:35,299 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:36,045 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:36,065 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:36,066 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:47:36,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:36 BoogieIcfgContainer [2023-11-19 02:47:36,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:36,084 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:36,084 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:36,097 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:36,097 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:36" (1/1) ... [2023-11-19 02:47:36,099 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 02:47:36,108 INFO L158 Benchmark]: Toolchain (without parser) took 2285.27ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 40.7MB in the beginning and 38.8MB in the end (delta: 1.9MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-11-19 02:47:36,109 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:36,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1027.08ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 40.4MB in the beginning and 48.1MB in the end (delta: -7.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:47:36,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.11ms. Allocated memory is still 88.1MB. Free memory was 48.1MB in the beginning and 45.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:47:36,114 INFO L158 Benchmark]: Boogie Preprocessor took 75.55ms. Allocated memory is still 88.1MB. Free memory was 45.4MB in the beginning and 65.2MB in the end (delta: -19.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-19 02:47:36,115 INFO L158 Benchmark]: RCFGBuilder took 1073.81ms. Allocated memory is still 88.1MB. Free memory was 65.2MB in the beginning and 40.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 02:47:36,116 INFO L158 Benchmark]: CodeCheck took 21.37ms. Allocated memory is still 88.1MB. Free memory was 40.1MB in the beginning and 38.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:36,128 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 0.35ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1027.08ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 40.4MB in the beginning and 48.1MB in the end (delta: -7.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.11ms. Allocated memory is still 88.1MB. Free memory was 48.1MB in the beginning and 45.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.55ms. Allocated memory is still 88.1MB. Free memory was 45.4MB in the beginning and 65.2MB in the end (delta: -19.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1073.81ms. Allocated memory is still 88.1MB. Free memory was 65.2MB in the beginning and 40.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 21.37ms. Allocated memory is still 88.1MB. Free memory was 40.1MB in the beginning and 38.8MB 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. [2023-11-19 02:47:36,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be270ee-ad01-40e7-ae49-15a326c65c87/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