./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:37:43,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:37:43,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 21:37:43,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:37:43,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:37:43,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:37:43,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:37:43,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:37:43,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:37:43,576 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:37:43,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:37:43,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:37:43,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:37:43,578 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 21:37:43,578 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 21:37:43,579 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 21:37:43,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:37:43,580 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:37:43,581 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:37:43,581 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:37:43,582 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:37:43,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:37:43,583 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:37:43,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:37:43,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:37:43,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:37:43,585 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:37:43,586 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:37:43,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:37:43,597 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_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-12-02 21:37:43,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:37:43,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:37:43,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:37:43,871 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:37:43,872 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:37:43,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-12-02 21:37:46,792 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:37:47,053 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:37:47,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/sv-benchmarks/c/pthread/stack_longest-1.i [2023-12-02 21:37:47,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/data/594000393/d235c449f0594dec82e0d0f3206d45e3/FLAGa2dad393c [2023-12-02 21:37:47,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/data/594000393/d235c449f0594dec82e0d0f3206d45e3 [2023-12-02 21:37:47,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:37:47,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:37:47,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:47,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:37:47,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:37:47,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b064dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47, skipping insertion in model container [2023-12-02 21:37:47,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,152 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:37:47,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:47,589 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:37:47,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:47,722 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:37:47,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47 WrapperNode [2023-12-02 21:37:47,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:47,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:47,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:37:47,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:37:47,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,785 INFO L138 Inliner]: procedures = 278, calls = 42, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 167 [2023-12-02 21:37:47,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:47,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:37:47,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:37:47,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:37:47,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:37:47,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:37:47,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:37:47,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:37:47,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:37:47,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:37:47,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:37:47,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:37:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-02 21:37:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-02 21:37:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-02 21:37:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-02 21:37:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:37:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:37:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 21:37:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:37:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:37:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 21:37:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:37:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:37:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:37:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:37:47,908 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 21:37:48,081 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:37:48,084 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:37:48,466 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:37:48,494 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:37:48,495 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 21:37:48,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:48 BoogieIcfgContainer [2023-12-02 21:37:48,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:37:48,498 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:37:48,498 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:37:48,510 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:37:48,511 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:48" (1/1) ... [2023-12-02 21:37:48,512 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) [2023-12-02 21:37:48,517 INFO L158 Benchmark]: Toolchain (without parser) took 1424.91ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 101.4MB in the beginning and 156.7MB in the end (delta: -55.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:37:48,517 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:37:48,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.75ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 71.5MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 21:37:48,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.80ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 68.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:37:48,520 INFO L158 Benchmark]: Boogie Preprocessor took 41.92ms. Allocated memory is still 142.6MB. Free memory was 68.3MB in the beginning and 66.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:37:48,521 INFO L158 Benchmark]: RCFGBuilder took 668.37ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 66.6MB in the beginning and 157.8MB in the end (delta: -91.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-12-02 21:37:48,522 INFO L158 Benchmark]: CodeCheck took 16.77ms. Allocated memory is still 192.9MB. Free memory was 157.8MB in the beginning and 156.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:37:48,526 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 0.23ms. Allocated memory is still 142.6MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 630.75ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 71.5MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.80ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 68.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.92ms. Allocated memory is still 142.6MB. Free memory was 68.3MB in the beginning and 66.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 668.37ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 66.6MB in the beginning and 157.8MB in the end (delta: -91.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * CodeCheck took 16.77ms. Allocated memory is still 192.9MB. Free memory was 157.8MB in the beginning and 156.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:37:48,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:37:50,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:37:50,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-02 21:37:50,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:37:50,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:37:50,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:37:50,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:37:50,882 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:37:50,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:37:50,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:37:50,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:37:50,884 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 21:37:50,885 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 21:37:50,885 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 21:37:50,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:37:50,887 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:37:50,887 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:37:50,888 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:37:50,888 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:37:50,889 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:37:50,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:37:50,890 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:37:50,891 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:37:50,891 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:37:50,892 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:50,893 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:37:50,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:37:50,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:37:50,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:37:50,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:37:50,895 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:37:50,895 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:50,896 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:37:50,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:37:50,896 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_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-12-02 21:37:51,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:37:51,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:37:51,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:37:51,262 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:37:51,263 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:37:51,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-12-02 21:37:54,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:37:54,558 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:37:54,558 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/sv-benchmarks/c/pthread/stack_longest-1.i [2023-12-02 21:37:54,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/data/f83212467/367391ac15d84a708a47d37f28a478dd/FLAG4da6be11c [2023-12-02 21:37:54,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/data/f83212467/367391ac15d84a708a47d37f28a478dd [2023-12-02 21:37:54,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:37:54,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:37:54,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:54,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:37:54,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:37:54,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:54" (1/1) ... [2023-12-02 21:37:54,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eaaf583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:54, skipping insertion in model container [2023-12-02 21:37:54,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:54" (1/1) ... [2023-12-02 21:37:54,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:37:55,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:55,198 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:37:55,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:55,330 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:37:55,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:55 WrapperNode [2023-12-02 21:37:55,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:55,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:55,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:37:55,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:37:55,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:55" (1/1) ... [2023-12-02 21:37:55,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:55" (1/1) ... [2023-12-02 21:37:55,394 INFO L138 Inliner]: procedures = 282, calls = 42, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 163 [2023-12-02 21:37:55,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:55,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:37:55,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:37:55,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:37:55,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:55" (1/1) ... [2023-12-02 21:37:55,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:55" (1/1) ... [2023-12-02 21:37:55,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:55" (1/1) ... [2023-12-02 21:37:55,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:55" (1/1) ... [2023-12-02 21:37:55,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:55" (1/1) ... [2023-12-02 21:37:55,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:55" (1/1) ... [2023-12-02 21:37:55,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:55" (1/1) ... [2023-12-02 21:37:55,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:55" (1/1) ... [2023-12-02 21:37:55,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:37:55,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:37:55,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:37:55,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:37:55,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:55" (1/1) ... [2023-12-02 21:37:55,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:37:55,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:37:55,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:37:55,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:37:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:37:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-02 21:37:55,531 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-02 21:37:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-02 21:37:55,532 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-02 21:37:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:37:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:37:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:37:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:37:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 21:37:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 21:37:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 21:37:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:37:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:37:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:37:55,535 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 21:37:55,712 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:37:55,714 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:37:56,090 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:37:56,122 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:37:56,122 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 21:37:56,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:56 BoogieIcfgContainer [2023-12-02 21:37:56,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:37:56,125 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:37:56,126 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:37:56,135 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:37:56,135 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:56" (1/1) ... [2023-12-02 21:37:56,136 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) [2023-12-02 21:37:56,141 INFO L158 Benchmark]: Toolchain (without parser) took 1543.73ms. Allocated memory was 69.2MB in the beginning and 109.1MB in the end (delta: 39.8MB). Free memory was 37.1MB in the beginning and 38.1MB in the end (delta: -1.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 21:37:56,141 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 69.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:37:56,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 733.78ms. Allocated memory was 69.2MB in the beginning and 109.1MB in the end (delta: 39.8MB). Free memory was 36.8MB in the beginning and 68.1MB in the end (delta: -31.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:37:56,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.65ms. Allocated memory is still 109.1MB. Free memory was 68.1MB in the beginning and 64.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:37:56,144 INFO L158 Benchmark]: Boogie Preprocessor took 47.15ms. Allocated memory is still 109.1MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:37:56,145 INFO L158 Benchmark]: RCFGBuilder took 680.50ms. Allocated memory is still 109.1MB. Free memory was 62.6MB in the beginning and 38.8MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 21:37:56,145 INFO L158 Benchmark]: CodeCheck took 13.02ms. Allocated memory is still 109.1MB. Free memory was 38.8MB in the beginning and 38.1MB in the end (delta: 663.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:37:56,150 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 0.40ms. Allocated memory is still 69.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 733.78ms. Allocated memory was 69.2MB in the beginning and 109.1MB in the end (delta: 39.8MB). Free memory was 36.8MB in the beginning and 68.1MB in the end (delta: -31.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.65ms. Allocated memory is still 109.1MB. Free memory was 68.1MB in the beginning and 64.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.15ms. Allocated memory is still 109.1MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.50ms. Allocated memory is still 109.1MB. Free memory was 62.6MB in the beginning and 38.8MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 13.02ms. Allocated memory is still 109.1MB. Free memory was 38.8MB in the beginning and 38.1MB in the end (delta: 663.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:37:56,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3329a62-7c21-4b91-864f-26584c75e4e4/bin/ukojak-verify-Qdu7aM0XO9/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