./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2 --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 0.2.3-dev-527bcce [2023-11-21 18:54:29,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:29,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-21 18:54:29,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:54:29,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:54:29,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:29,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:29,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:29,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:29,613 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:54:29,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:54:29,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:54:29,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:29,617 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 18:54:29,617 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 18:54:29,618 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 18:54:29,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:29,619 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:29,619 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:54:29,620 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:29,620 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:29,621 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:29,621 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:29,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:29,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:29,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:29,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:29,624 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:54:29,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:54:29,625 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_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-21 18:54:29,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:30,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:30,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:30,032 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:30,032 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:30,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-21 18:54:33,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:33,485 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:33,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-21 18:54:33,516 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/data/07a32e7b6/02f72e5f1d8f4e67b0ab58492a53273d/FLAG6d6d5f980 [2023-11-21 18:54:33,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/data/07a32e7b6/02f72e5f1d8f4e67b0ab58492a53273d [2023-11-21 18:54:33,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:33,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:33,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:33,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:33,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:33,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:33" (1/1) ... [2023-11-21 18:54:33,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f8386e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:33, skipping insertion in model container [2023-11-21 18:54:33,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:33" (1/1) ... [2023-11-21 18:54:33,631 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:34,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:34,235 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:34,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:34,406 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:34,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34 WrapperNode [2023-11-21 18:54:34,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:34,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:34,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:34,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:34,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,540 INFO L138 Inliner]: procedures = 278, calls = 42, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 167 [2023-11-21 18:54:34,541 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:34,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:34,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:34,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:34,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:34,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:34,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:34,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:34,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:34,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:34,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:34,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:54:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:54:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:54:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:54:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:54:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:54:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:54:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:54:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:54:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:54:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:54:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:34,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:34,716 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:54:34,904 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:34,906 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:35,235 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:35,275 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:35,279 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:54:35,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:35 BoogieIcfgContainer [2023-11-21 18:54:35,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:35,283 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:35,283 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:35,294 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:35,294 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:35" (1/1) ... [2023-11-21 18:54:35,295 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) [2023-11-21 18:54:35,303 INFO L158 Benchmark]: Toolchain (without parser) took 1756.95ms. Allocated memory is still 163.6MB. Free memory was 129.6MB in the beginning and 107.0MB in the end (delta: 22.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-21 18:54:35,304 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:35,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 858.24ms. Allocated memory is still 163.6MB. Free memory was 129.6MB in the beginning and 99.6MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-21 18:54:35,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.44ms. Allocated memory is still 163.6MB. Free memory was 99.6MB in the beginning and 131.1MB in the end (delta: -31.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:54:35,309 INFO L158 Benchmark]: Boogie Preprocessor took 80.39ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 128.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:35,310 INFO L158 Benchmark]: RCFGBuilder took 659.07ms. Allocated memory is still 163.6MB. Free memory was 128.8MB in the beginning and 108.0MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:54:35,310 INFO L158 Benchmark]: CodeCheck took 18.39ms. Allocated memory is still 163.6MB. Free memory was 108.0MB in the beginning and 107.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:35,314 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 0.29ms. Allocated memory is still 119.5MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 858.24ms. Allocated memory is still 163.6MB. Free memory was 129.6MB in the beginning and 99.6MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.44ms. Allocated memory is still 163.6MB. Free memory was 99.6MB in the beginning and 131.1MB in the end (delta: -31.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.39ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 128.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 659.07ms. Allocated memory is still 163.6MB. Free memory was 128.8MB in the beginning and 108.0MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 18.39ms. Allocated memory is still 163.6MB. Free memory was 108.0MB in the beginning and 107.0MB 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. [2023-11-21 18:54:35,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2 --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 0.2.3-dev-527bcce [2023-11-21 18:54:37,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:38,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-21 18:54:38,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:38,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:38,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:38,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:38,171 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:54:38,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:54:38,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:54:38,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:38,178 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 18:54:38,178 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 18:54:38,180 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 18:54:38,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:38,181 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:54:38,181 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:54:38,182 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:54:38,182 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:38,182 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:54:38,183 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:38,183 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:38,184 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:38,184 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:38,185 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:38,185 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:54:38,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:38,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:38,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:38,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:38,188 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:54:38,189 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:38,189 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:54:38,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:54:38,189 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_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-21 18:54:38,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:38,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:38,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:38,570 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:38,570 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:38,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-21 18:54:41,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:42,058 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:42,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-21 18:54:42,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/data/bf865cafd/7da27dc35bdd4220900d5f3bdde636e9/FLAGbed828c17 [2023-11-21 18:54:42,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/data/bf865cafd/7da27dc35bdd4220900d5f3bdde636e9 [2023-11-21 18:54:42,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:42,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:42,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:42,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:42,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:42,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:42" (1/1) ... [2023-11-21 18:54:42,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5d475c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:42, skipping insertion in model container [2023-11-21 18:54:42,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:42" (1/1) ... [2023-11-21 18:54:42,191 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:42,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:42,963 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:43,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:43,193 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:43,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:43 WrapperNode [2023-11-21 18:54:43,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:43,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:43,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:43,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:43,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:43" (1/1) ... [2023-11-21 18:54:43,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:43" (1/1) ... [2023-11-21 18:54:43,292 INFO L138 Inliner]: procedures = 282, calls = 42, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 163 [2023-11-21 18:54:43,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:43,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:43,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:43,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:43,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:43" (1/1) ... [2023-11-21 18:54:43,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:43" (1/1) ... [2023-11-21 18:54:43,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:43" (1/1) ... [2023-11-21 18:54:43,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:43" (1/1) ... [2023-11-21 18:54:43,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:43" (1/1) ... [2023-11-21 18:54:43,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:43" (1/1) ... [2023-11-21 18:54:43,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:43" (1/1) ... [2023-11-21 18:54:43,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:43" (1/1) ... [2023-11-21 18:54:43,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:43,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:43,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:43,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:43,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:43" (1/1) ... [2023-11-21 18:54:43,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:43,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:43,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:43,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:54:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:54:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:54:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:54:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:54:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:54:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:54:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:54:43,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:54:43,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:54:43,465 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:54:43,465 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:54:43,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:43,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:43,467 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:54:43,682 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:43,684 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:44,113 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:44,143 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:44,143 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:54:44,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:44 BoogieIcfgContainer [2023-11-21 18:54:44,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:44,146 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:44,147 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:44,158 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:44,159 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:44" (1/1) ... [2023-11-21 18:54:44,160 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) [2023-11-21 18:54:44,166 INFO L158 Benchmark]: Toolchain (without parser) took 2050.41ms. Allocated memory is still 94.4MB. Free memory was 69.4MB in the beginning and 60.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-11-21 18:54:44,167 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:44,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1072.68ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 57.7MB in the end (delta: 11.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-21 18:54:44,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.75ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 54.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:54:44,171 INFO L158 Benchmark]: Boogie Preprocessor took 64.54ms. Allocated memory is still 94.4MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:44,172 INFO L158 Benchmark]: RCFGBuilder took 786.59ms. Allocated memory is still 94.4MB. Free memory was 52.6MB in the beginning and 62.0MB in the end (delta: -9.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-21 18:54:44,173 INFO L158 Benchmark]: CodeCheck took 17.99ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 60.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:44,184 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 was 43.3MB in the beginning and 43.2MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1072.68ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 57.7MB in the end (delta: 11.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.75ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 54.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.54ms. Allocated memory is still 94.4MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 786.59ms. Allocated memory is still 94.4MB. Free memory was 52.6MB in the beginning and 62.0MB in the end (delta: -9.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * CodeCheck took 17.99ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 60.9MB 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. [2023-11-21 18:54:44,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1435e72-9e98-4473-9d52-1ba70be60b91/bin/ukojak-verify-i0I2FZA1j2/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