./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV --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 ef25c7a0ca5d95f3b469f57ad040cab1f4feb185ac5183a687b70f186e65f8f6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:09,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:09,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-11 23:48:09,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:48:09,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:48:09,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:09,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:09,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:09,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:09,417 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:09,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:48:09,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:09,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:09,420 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:48:09,420 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:48:09,420 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:48:09,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:09,421 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:09,422 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:09,422 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:09,422 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:09,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:09,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:09,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:09,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:09,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:09,425 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:48:09,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:48:09,426 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_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef25c7a0ca5d95f3b469f57ad040cab1f4feb185ac5183a687b70f186e65f8f6 [2023-11-11 23:48:09,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:09,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:09,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:09,765 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:09,766 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:09,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2023-11-11 23:48:12,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:13,232 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:13,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2023-11-11 23:48:13,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/data/6a29f1399/e5e6fc715c21448ea1fe5001d88cae12/FLAGf23c408a5 [2023-11-11 23:48:13,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/data/6a29f1399/e5e6fc715c21448ea1fe5001d88cae12 [2023-11-11 23:48:13,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:13,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:13,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:13,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:13,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:13,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:13,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2199436e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13, skipping insertion in model container [2023-11-11 23:48:13,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:13,373 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:13,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:13,809 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:13,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:13,934 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:13,934 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:13,942 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:13,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13 WrapperNode [2023-11-11 23:48:13,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:13,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:13,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:13,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:13,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:13,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:14,030 INFO L138 Inliner]: procedures = 179, calls = 37, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 179 [2023-11-11 23:48:14,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:14,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:14,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:14,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:14,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:14,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:14,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:14,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:14,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:14,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:14,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:14,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:14,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:14,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:14,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:14,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:14,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:14,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:14,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:14,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:14,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:48:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:48:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:48:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:48:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:48:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:48:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:48:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:14,236 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:48:14,468 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:14,479 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:14,964 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:15,342 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:15,343 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:48:15,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:15 BoogieIcfgContainer [2023-11-11 23:48:15,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:15,347 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:15,348 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:15,363 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:15,364 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:15" (1/1) ... [2023-11-11 23:48:15,365 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) [2023-11-11 23:48:15,372 INFO L158 Benchmark]: Toolchain (without parser) took 2084.48ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 56.8MB in the end (delta: 50.4MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2023-11-11 23:48:15,373 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:15,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.83ms. Allocated memory is still 144.7MB. Free memory was 106.7MB in the beginning and 86.2MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:48:15,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.16ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 83.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:15,375 INFO L158 Benchmark]: Boogie Preprocessor took 77.12ms. Allocated memory is still 144.7MB. Free memory was 83.7MB in the beginning and 82.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:15,376 INFO L158 Benchmark]: RCFGBuilder took 1237.17ms. Allocated memory is still 144.7MB. Free memory was 81.6MB in the beginning and 57.7MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:15,377 INFO L158 Benchmark]: CodeCheck took 22.83ms. Allocated memory is still 144.7MB. Free memory was 57.7MB in the beginning and 56.8MB in the end (delta: 927.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:15,382 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 0.27ms. Allocated memory is still 111.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.83ms. Allocated memory is still 144.7MB. Free memory was 106.7MB in the beginning and 86.2MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.16ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 83.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.12ms. Allocated memory is still 144.7MB. Free memory was 83.7MB in the beginning and 82.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1237.17ms. Allocated memory is still 144.7MB. Free memory was 81.6MB in the beginning and 57.7MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 22.83ms. Allocated memory is still 144.7MB. Free memory was 57.7MB in the beginning and 56.8MB in the end (delta: 927.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:48:15,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/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_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV --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 ef25c7a0ca5d95f3b469f57ad040cab1f4feb185ac5183a687b70f186e65f8f6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:18,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:18,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-11 23:48:18,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:18,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:18,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:18,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:18,632 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:18,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:48:18,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:18,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:18,635 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:48:18,636 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:48:18,637 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:48:18,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:18,638 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:48:18,639 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:48:18,640 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:48:18,641 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:18,641 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:18,642 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:18,643 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:18,644 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:18,644 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:48:18,645 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:18,645 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:18,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:18,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:18,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:18,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:18,649 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:48:18,649 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:18,650 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:48:18,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:18,651 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_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef25c7a0ca5d95f3b469f57ad040cab1f4feb185ac5183a687b70f186e65f8f6 [2023-11-11 23:48:19,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:19,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:19,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:19,175 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:19,176 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:19,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2023-11-11 23:48:22,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:23,174 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:23,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2023-11-11 23:48:23,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/data/869ec0b3c/852f854611714ce09e4e7cbd5a3081c5/FLAG7918ce092 [2023-11-11 23:48:23,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/data/869ec0b3c/852f854611714ce09e4e7cbd5a3081c5 [2023-11-11 23:48:23,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:23,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:23,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:23,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:23,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:23,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b870101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23, skipping insertion in model container [2023-11-11 23:48:23,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:23,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:23,719 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:23,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:23,865 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:23,865 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:23,874 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:23,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23 WrapperNode [2023-11-11 23:48:23,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:23,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:23,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:23,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:23,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,965 INFO L138 Inliner]: procedures = 183, calls = 37, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 176 [2023-11-11 23:48:23,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:23,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:23,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:23,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:23,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:24,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:24,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:24,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:24,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:24,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:24,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:24,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:24,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:24,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:24,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:24,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:24,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:24,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:48:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:48:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:48:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:48:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:48:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:48:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:48:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:48:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:24,151 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:48:24,367 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:24,369 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:24,894 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:25,367 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:25,367 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:48:25,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:25 BoogieIcfgContainer [2023-11-11 23:48:25,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:25,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:25,374 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:25,385 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:25,386 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:25" (1/1) ... [2023-11-11 23:48:25,387 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) [2023-11-11 23:48:25,393 INFO L158 Benchmark]: Toolchain (without parser) took 2164.56ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 63.5MB in the end (delta: 27.9MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-11-11 23:48:25,394 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:25,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 643.28ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 69.6MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:48:25,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.50ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 66.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:25,398 INFO L158 Benchmark]: Boogie Preprocessor took 78.54ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 64.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:25,399 INFO L158 Benchmark]: RCFGBuilder took 1326.71ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 64.9MB in the end (delta: -66.3kB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:25,400 INFO L158 Benchmark]: CodeCheck took 17.14ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 64.1MB in the end (delta: 826.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:25,410 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 0.58ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 643.28ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 69.6MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.50ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 66.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.54ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 64.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1326.71ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 64.9MB in the end (delta: -66.3kB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * CodeCheck took 17.14ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 64.1MB in the end (delta: 826.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:48:25,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff883d8-abb2-4e3f-a10b-baa0e5bb5de0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported