./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/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_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:24,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:24,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:20:24,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:20:24,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:20:24,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:24,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:24,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:24,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:24,376 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:20:24,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:20:24,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:20:24,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:24,379 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:20:24,379 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:20:24,380 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:20:24,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:24,381 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:20:24,381 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:20:24,382 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:24,382 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:24,383 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:24,383 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:24,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:24,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:24,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:24,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:24,386 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:20:24,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:20:24,387 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_4307ac00-c8ee-4707-b496-9a22e6c3dd62/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 [2023-11-19 03:20:24,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:20:24,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:20:24,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:20:24,659 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:20:24,660 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:20:24,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-19 03:20:27,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:20:28,146 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:20:28,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-19 03:20:28,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/data/ec868d6c3/2830f22f9d1442b89ad766946c50884c/FLAG0e4fee70f [2023-11-19 03:20:28,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/data/ec868d6c3/2830f22f9d1442b89ad766946c50884c [2023-11-19 03:20:28,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:20:28,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:20:28,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:28,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:20:28,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:20:28,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:28" (1/1) ... [2023-11-19 03:20:28,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:28, skipping insertion in model container [2023-11-19 03:20:28,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:28" (1/1) ... [2023-11-19 03:20:28,266 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:28,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:28,709 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:28,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:28,824 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:28,824 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:28,830 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:28,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:28 WrapperNode [2023-11-19 03:20:28,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:28,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:28,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:28,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:28,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:28" (1/1) ... [2023-11-19 03:20:28,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:28" (1/1) ... [2023-11-19 03:20:28,891 INFO L138 Inliner]: procedures = 171, calls = 35, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 127 [2023-11-19 03:20:28,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:28,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:28,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:28,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:28,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:28" (1/1) ... [2023-11-19 03:20:28,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:28" (1/1) ... [2023-11-19 03:20:28,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:28" (1/1) ... [2023-11-19 03:20:28,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:28" (1/1) ... [2023-11-19 03:20:28,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:28" (1/1) ... [2023-11-19 03:20:28,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:28" (1/1) ... [2023-11-19 03:20:28,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:28" (1/1) ... [2023-11-19 03:20:28,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:28" (1/1) ... [2023-11-19 03:20:28,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:28,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:28,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:28,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:28,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:28" (1/1) ... [2023-11-19 03:20:28,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:28,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:28,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:28,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:20:29,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:20:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:20:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:20:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:20:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:20:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:20:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:20:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:20:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:29,022 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:20:29,245 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:29,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:20:29,608 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:20:29,711 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:20:29,711 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:20:29,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:29 BoogieIcfgContainer [2023-11-19 03:20:29,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:20:29,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:20:29,716 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:20:29,726 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:20:29,726 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:29" (1/1) ... [2023-11-19 03:20:29,727 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:20:29,731 INFO L158 Benchmark]: Toolchain (without parser) took 1542.33ms. Allocated memory is still 169.9MB. Free memory was 138.4MB in the beginning and 91.4MB in the end (delta: 47.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:29,734 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory was 82.5MB in the beginning and 82.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:29,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.44ms. Allocated memory is still 169.9MB. Free memory was 138.4MB in the beginning and 117.8MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:20:29,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.19ms. Allocated memory is still 169.9MB. Free memory was 117.8MB in the beginning and 115.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:29,737 INFO L158 Benchmark]: Boogie Preprocessor took 40.97ms. Allocated memory is still 169.9MB. Free memory was 115.5MB in the beginning and 113.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:29,737 INFO L158 Benchmark]: RCFGBuilder took 781.78ms. Allocated memory is still 169.9MB. Free memory was 113.7MB in the beginning and 92.4MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:20:29,738 INFO L158 Benchmark]: CodeCheck took 12.80ms. Allocated memory is still 169.9MB. Free memory was 92.4MB in the beginning and 91.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:29,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory was 82.5MB in the beginning and 82.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.44ms. Allocated memory is still 169.9MB. Free memory was 138.4MB in the beginning and 117.8MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.19ms. Allocated memory is still 169.9MB. Free memory was 117.8MB in the beginning and 115.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.97ms. Allocated memory is still 169.9MB. Free memory was 115.5MB in the beginning and 113.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 781.78ms. Allocated memory is still 169.9MB. Free memory was 113.7MB in the beginning and 92.4MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 12.80ms. Allocated memory is still 169.9MB. Free memory was 92.4MB in the beginning and 91.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:20:29,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/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_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:32,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:32,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:20:32,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:32,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:32,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:32,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:32,709 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:20:32,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:20:32,715 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:20:32,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:32,715 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:20:32,716 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:20:32,717 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:20:32,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:32,718 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:20:32,719 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:20:32,719 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:20:32,719 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:20:32,721 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:20:32,721 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:32,722 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:32,722 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:32,722 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:32,723 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:20:32,723 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:20:32,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:32,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:32,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:32,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:32,726 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:20:32,727 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:20:32,727 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:20:32,727 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:20:32,728 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_4307ac00-c8ee-4707-b496-9a22e6c3dd62/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 [2023-11-19 03:20:33,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:20:33,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:20:33,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:20:33,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:20:33,120 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:20:33,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-19 03:20:36,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:20:36,524 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:20:36,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-19 03:20:36,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/data/c4633c215/a13ae8fca11a4544a2730fb6ae97599d/FLAGcbf109ced [2023-11-19 03:20:36,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/data/c4633c215/a13ae8fca11a4544a2730fb6ae97599d [2023-11-19 03:20:36,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:20:36,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:20:36,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:36,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:20:36,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:20:36,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:36" (1/1) ... [2023-11-19 03:20:36,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439b4523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:36, skipping insertion in model container [2023-11-19 03:20:36,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:36" (1/1) ... [2023-11-19 03:20:36,627 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:37,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:37,148 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:37,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:37,294 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:37,294 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:37,302 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:37,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:37 WrapperNode [2023-11-19 03:20:37,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:37,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:37,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:37,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:37,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:37" (1/1) ... [2023-11-19 03:20:37,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:37" (1/1) ... [2023-11-19 03:20:37,378 INFO L138 Inliner]: procedures = 175, calls = 35, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 124 [2023-11-19 03:20:37,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:37,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:37,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:37,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:37,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:37" (1/1) ... [2023-11-19 03:20:37,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:37" (1/1) ... [2023-11-19 03:20:37,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:37" (1/1) ... [2023-11-19 03:20:37,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:37" (1/1) ... [2023-11-19 03:20:37,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:37" (1/1) ... [2023-11-19 03:20:37,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:37" (1/1) ... [2023-11-19 03:20:37,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:37" (1/1) ... [2023-11-19 03:20:37,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:37" (1/1) ... [2023-11-19 03:20:37,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:37,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:37,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:37,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:37,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:37" (1/1) ... [2023-11-19 03:20:37,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:37,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:37,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:37,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:20:37,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:20:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:20:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:20:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:20:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:20:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:20:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:20:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:20:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:20:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:37,539 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:20:37,682 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:37,685 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:20:38,039 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:20:38,171 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:20:38,172 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:20:38,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:38 BoogieIcfgContainer [2023-11-19 03:20:38,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:20:38,177 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:20:38,177 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:20:38,187 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:20:38,187 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:38" (1/1) ... [2023-11-19 03:20:38,188 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:20:38,193 INFO L158 Benchmark]: Toolchain (without parser) took 1632.56ms. Allocated memory is still 90.2MB. Free memory was 65.5MB in the beginning and 64.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2023-11-19 03:20:38,193 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 67.1MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:38,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 742.67ms. Allocated memory is still 90.2MB. Free memory was 65.3MB in the beginning and 62.9MB in the end (delta: 2.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-19 03:20:38,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.71ms. Allocated memory is still 90.2MB. Free memory was 62.9MB in the beginning and 60.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:38,195 INFO L158 Benchmark]: Boogie Preprocessor took 73.29ms. Allocated memory is still 90.2MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:20:38,196 INFO L158 Benchmark]: RCFGBuilder took 722.43ms. Allocated memory is still 90.2MB. Free memory was 58.6MB in the beginning and 65.1MB in the end (delta: -6.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-11-19 03:20:38,197 INFO L158 Benchmark]: CodeCheck took 14.32ms. Allocated memory is still 90.2MB. Free memory was 65.1MB in the beginning and 64.5MB in the end (delta: 588.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:38,200 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 0.37ms. Allocated memory is still 67.1MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 742.67ms. Allocated memory is still 90.2MB. Free memory was 65.3MB in the beginning and 62.9MB in the end (delta: 2.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.71ms. Allocated memory is still 90.2MB. Free memory was 62.9MB in the beginning and 60.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.29ms. Allocated memory is still 90.2MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 722.43ms. Allocated memory is still 90.2MB. Free memory was 58.6MB in the beginning and 65.1MB in the end (delta: -6.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * CodeCheck took 14.32ms. Allocated memory is still 90.2MB. Free memory was 65.1MB in the beginning and 64.5MB in the end (delta: 588.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:20:38,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4307ac00-c8ee-4707-b496-9a22e6c3dd62/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported