./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 30e01a73 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_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:03:08,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:03:08,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-23 20:03:08,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:03:08,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:03:08,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:03:08,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:03:08,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:03:08,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:03:08,419 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:03:08,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:03:08,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:03:08,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:03:08,424 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 20:03:08,425 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 20:03:08,425 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 20:03:08,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:03:08,426 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:03:08,427 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:03:08,427 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:03:08,427 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:03:08,428 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:03:08,428 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:03:08,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:03:08,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:08,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:03:08,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:03:08,431 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:03:08,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:03:08,432 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_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-23 20:03:08,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:03:08,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:03:08,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:03:08,718 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:03:08,718 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:03:08,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-23 20:03:11,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:03:12,389 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:03:12,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-23 20:03:12,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/data/68ead7d8c/56ff5122df2b41b586f662b3d6e5c91d/FLAG6ee32688c [2023-11-23 20:03:12,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/data/68ead7d8c/56ff5122df2b41b586f662b3d6e5c91d [2023-11-23 20:03:12,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:03:12,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:03:12,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:12,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:03:12,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:03:12,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:12" (1/1) ... [2023-11-23 20:03:12,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62790c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:12, skipping insertion in model container [2023-11-23 20:03:12,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:12" (1/1) ... [2023-11-23 20:03:12,526 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:03:13,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:13,072 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:03:13,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:13,209 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:03:13,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:13 WrapperNode [2023-11-23 20:03:13,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:13,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:13,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:03:13,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:03:13,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:13" (1/1) ... [2023-11-23 20:03:13,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:13" (1/1) ... [2023-11-23 20:03:13,275 INFO L138 Inliner]: procedures = 278, calls = 42, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 167 [2023-11-23 20:03:13,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:13,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:03:13,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:03:13,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:03:13,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:13" (1/1) ... [2023-11-23 20:03:13,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:13" (1/1) ... [2023-11-23 20:03:13,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:13" (1/1) ... [2023-11-23 20:03:13,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:13" (1/1) ... [2023-11-23 20:03:13,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:13" (1/1) ... [2023-11-23 20:03:13,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:13" (1/1) ... [2023-11-23 20:03:13,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:13" (1/1) ... [2023-11-23 20:03:13,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:13" (1/1) ... [2023-11-23 20:03:13,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:03:13,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:03:13,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:03:13,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:03:13,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:13" (1/1) ... [2023-11-23 20:03:13,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:13,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:03:13,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:03:13,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:03:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:03:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:03:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:03:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:03:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:03:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:03:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:03:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:03:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:03:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:03:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:03:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:03:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:03:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:03:13,433 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:03:13,597 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:03:13,599 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:03:13,990 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:03:14,018 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:03:14,018 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:03:14,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:14 BoogieIcfgContainer [2023-11-23 20:03:14,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:03:14,026 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:03:14,026 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:03:14,037 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:03:14,037 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:14" (1/1) ... [2023-11-23 20:03:14,038 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) [2023-11-23 20:03:14,047 INFO L158 Benchmark]: Toolchain (without parser) took 1596.05ms. Allocated memory is still 182.5MB. Free memory was 142.3MB in the beginning and 146.8MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:03:14,047 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:03:14,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 754.26ms. Allocated memory is still 182.5MB. Free memory was 141.7MB in the beginning and 112.2MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-23 20:03:14,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.37ms. Allocated memory is still 182.5MB. Free memory was 112.2MB in the beginning and 109.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:03:14,052 INFO L158 Benchmark]: Boogie Preprocessor took 48.63ms. Allocated memory is still 182.5MB. Free memory was 109.5MB in the beginning and 107.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:03:14,054 INFO L158 Benchmark]: RCFGBuilder took 698.92ms. Allocated memory is still 182.5MB. Free memory was 107.6MB in the beginning and 147.8MB in the end (delta: -40.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-11-23 20:03:14,055 INFO L158 Benchmark]: CodeCheck took 18.90ms. Allocated memory is still 182.5MB. Free memory was 147.8MB in the beginning and 146.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:03:14,066 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 0.32ms. Allocated memory is still 117.4MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 754.26ms. Allocated memory is still 182.5MB. Free memory was 141.7MB in the beginning and 112.2MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.37ms. Allocated memory is still 182.5MB. Free memory was 112.2MB in the beginning and 109.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.63ms. Allocated memory is still 182.5MB. Free memory was 109.5MB in the beginning and 107.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 698.92ms. Allocated memory is still 182.5MB. Free memory was 107.6MB in the beginning and 147.8MB in the end (delta: -40.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * CodeCheck took 18.90ms. Allocated memory is still 182.5MB. Free memory was 147.8MB in the beginning and 146.8MB 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. [2023-11-23 20:03:14,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:03:16,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:03:16,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-23 20:03:17,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:03:17,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:03:17,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:03:17,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:03:17,045 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:03:17,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:03:17,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:03:17,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:03:17,054 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 20:03:17,055 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 20:03:17,057 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 20:03:17,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:03:17,058 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:03:17,058 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:03:17,059 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:03:17,059 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:03:17,060 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:03:17,060 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:03:17,061 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:03:17,061 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:03:17,062 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:03:17,062 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:03:17,063 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:03:17,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:03:17,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:17,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:03:17,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:03:17,067 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:03:17,067 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:03:17,067 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:03:17,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:03:17,068 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_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-23 20:03:17,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:03:17,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:03:17,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:03:17,484 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:03:17,485 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:03:17,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-23 20:03:20,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:03:21,035 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:03:21,036 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-23 20:03:21,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/data/b8f41e143/18677d999d5349b1a7cc888ecbe17afc/FLAG0dd94b35a [2023-11-23 20:03:21,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/data/b8f41e143/18677d999d5349b1a7cc888ecbe17afc [2023-11-23 20:03:21,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:03:21,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:03:21,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:21,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:03:21,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:03:21,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:21" (1/1) ... [2023-11-23 20:03:21,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a92182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:21, skipping insertion in model container [2023-11-23 20:03:21,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:21" (1/1) ... [2023-11-23 20:03:21,146 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:03:21,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:21,881 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:03:21,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:22,095 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:03:22,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22 WrapperNode [2023-11-23 20:03:22,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:22,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:22,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:03:22,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:03:22,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,203 INFO L138 Inliner]: procedures = 282, calls = 42, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 163 [2023-11-23 20:03:22,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:22,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:03:22,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:03:22,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:03:22,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:03:22,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:03:22,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:03:22,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:03:22,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:22,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:03:22,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:03:22,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:03:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:03:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:03:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:03:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:03:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:03:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:03:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:03:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:03:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:03:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:03:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:03:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:03:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:03:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:03:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:03:22,385 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:03:22,583 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:03:22,586 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:03:22,924 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:03:22,969 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:03:22,973 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:03:22,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:22 BoogieIcfgContainer [2023-11-23 20:03:22,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:03:22,978 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:03:22,978 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:03:22,989 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:03:22,990 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:22" (1/1) ... [2023-11-23 20:03:22,990 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) [2023-11-23 20:03:22,995 INFO L158 Benchmark]: Toolchain (without parser) took 1916.68ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 30.4MB in the beginning and 41.3MB in the end (delta: -10.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-23 20:03:22,995 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 67.1MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:03:22,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1017.87ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 30.1MB in the beginning and 45.7MB in the end (delta: -15.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-23 20:03:22,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.03ms. Allocated memory is still 92.3MB. Free memory was 45.7MB in the beginning and 68.1MB in the end (delta: -22.4MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-11-23 20:03:23,000 INFO L158 Benchmark]: Boogie Preprocessor took 77.99ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 66.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:03:23,017 INFO L158 Benchmark]: RCFGBuilder took 694.28ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 42.1MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 20:03:23,018 INFO L158 Benchmark]: CodeCheck took 14.83ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 41.3MB in the end (delta: 813.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:03:23,031 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 0.73ms. Allocated memory is still 67.1MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1017.87ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 30.1MB in the beginning and 45.7MB in the end (delta: -15.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.03ms. Allocated memory is still 92.3MB. Free memory was 45.7MB in the beginning and 68.1MB in the end (delta: -22.4MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.99ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 66.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 694.28ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 42.1MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 14.83ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 41.3MB in the end (delta: 813.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:03:23,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50119e6e-3412-4ec0-8aa0-3856a91eba38/bin/ukojak-verify-1t5iHCbJaC/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