./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi --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 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:20,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:20,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:02:20,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:20,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:20,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:20,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:20,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:20,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:20,782 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:20,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:20,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:20,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:20,785 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:02:20,786 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:02:20,786 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:02:20,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:20,787 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:20,788 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:20,789 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:20,789 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:20,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:20,791 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:20,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:20,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:20,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:20,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:20,793 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:20,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:20,794 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_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b [2023-11-24 23:02:21,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:21,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:21,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:21,143 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:21,144 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:21,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-24 23:02:24,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:24,628 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:24,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-24 23:02:24,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/data/7c17b42e7/04358a1d1a0e4d11bd7e78c9f27071cf/FLAG242c5befc [2023-11-24 23:02:24,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/data/7c17b42e7/04358a1d1a0e4d11bd7e78c9f27071cf [2023-11-24 23:02:24,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:24,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:24,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:24,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:24,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:24,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:24" (1/1) ... [2023-11-24 23:02:24,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70be884a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:24, skipping insertion in model container [2023-11-24 23:02:24,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:24" (1/1) ... [2023-11-24 23:02:24,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:25,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:25,106 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:25,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:25,187 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:25,187 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:25,196 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:25,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:25 WrapperNode [2023-11-24 23:02:25,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:25,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:25,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:25,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:25,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:25" (1/1) ... [2023-11-24 23:02:25,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:25" (1/1) ... [2023-11-24 23:02:25,248 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2023-11-24 23:02:25,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:25,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:25,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:25,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:25,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:25" (1/1) ... [2023-11-24 23:02:25,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:25" (1/1) ... [2023-11-24 23:02:25,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:25" (1/1) ... [2023-11-24 23:02:25,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:25" (1/1) ... [2023-11-24 23:02:25,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:25" (1/1) ... [2023-11-24 23:02:25,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:25" (1/1) ... [2023-11-24 23:02:25,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:25" (1/1) ... [2023-11-24 23:02:25,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:25" (1/1) ... [2023-11-24 23:02:25,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:25,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:25,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:25,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:25,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:25" (1/1) ... [2023-11-24 23:02:25,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:25,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:25,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:25,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 23:02:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 23:02:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 23:02:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 23:02:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:02:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:02:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:02:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:25,373 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:02:25,564 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:25,566 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:25,840 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:25,856 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:25,856 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:02:25,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:25 BoogieIcfgContainer [2023-11-24 23:02:25,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:25,859 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:25,860 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:25,871 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:25,872 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:25" (1/1) ... [2023-11-24 23:02:25,873 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) [2023-11-24 23:02:25,878 INFO L158 Benchmark]: Toolchain (without parser) took 1195.25ms. Allocated memory is still 161.5MB. Free memory was 131.0MB in the beginning and 121.8MB in the end (delta: 9.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:02:25,878 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory was 103.9MB in the beginning and 103.8MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:25,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.55ms. Allocated memory is still 161.5MB. Free memory was 131.0MB in the beginning and 111.4MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:02:25,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.32ms. Allocated memory is still 161.5MB. Free memory was 111.4MB in the beginning and 109.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:25,881 INFO L158 Benchmark]: Boogie Preprocessor took 31.97ms. Allocated memory is still 161.5MB. Free memory was 109.4MB in the beginning and 107.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:25,882 INFO L158 Benchmark]: RCFGBuilder took 576.41ms. Allocated memory is still 161.5MB. Free memory was 107.4MB in the beginning and 123.1MB in the end (delta: -15.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:02:25,883 INFO L158 Benchmark]: CodeCheck took 16.36ms. Allocated memory is still 161.5MB. Free memory was 122.3MB in the beginning and 121.8MB in the end (delta: 420.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:25,887 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 0.25ms. Allocated memory is still 130.0MB. Free memory was 103.9MB in the beginning and 103.8MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.55ms. Allocated memory is still 161.5MB. Free memory was 131.0MB in the beginning and 111.4MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.32ms. Allocated memory is still 161.5MB. Free memory was 111.4MB in the beginning and 109.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.97ms. Allocated memory is still 161.5MB. Free memory was 109.4MB in the beginning and 107.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 576.41ms. Allocated memory is still 161.5MB. Free memory was 107.4MB in the beginning and 123.1MB in the end (delta: -15.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 16.36ms. Allocated memory is still 161.5MB. Free memory was 122.3MB in the beginning and 121.8MB in the end (delta: 420.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:02:25,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/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_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi --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 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:28,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:28,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 23:02:28,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:28,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:28,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:28,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:28,827 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:28,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:28,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:28,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:28,834 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:02:28,834 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:02:28,836 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:02:28,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:28,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:02:28,837 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:02:28,838 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:02:28,838 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:28,839 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:28,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:28,840 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:28,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:28,841 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:28,842 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:28,842 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:28,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:28,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:28,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:28,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:28,846 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:02:28,846 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:28,846 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:02:28,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:28,847 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_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b [2023-11-24 23:02:29,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:29,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:29,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:29,294 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:29,295 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:29,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-24 23:02:32,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:32,990 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:32,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-24 23:02:33,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/data/306a3ed28/576b1deae06b48dfaa84bdac961dfc9c/FLAG167a3ea84 [2023-11-24 23:02:33,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/data/306a3ed28/576b1deae06b48dfaa84bdac961dfc9c [2023-11-24 23:02:33,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:33,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:33,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:33,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:33,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:33,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:33" (1/1) ... [2023-11-24 23:02:33,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442753ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:33, skipping insertion in model container [2023-11-24 23:02:33,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:33" (1/1) ... [2023-11-24 23:02:33,276 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:33,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:33,827 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:33,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:33,962 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:33,963 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:33,972 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:33,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:33 WrapperNode [2023-11-24 23:02:33,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:33,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:33,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:33,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:33,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:33" (1/1) ... [2023-11-24 23:02:34,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:33" (1/1) ... [2023-11-24 23:02:34,057 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2023-11-24 23:02:34,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:34,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:34,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:34,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:34,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:33" (1/1) ... [2023-11-24 23:02:34,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:33" (1/1) ... [2023-11-24 23:02:34,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:33" (1/1) ... [2023-11-24 23:02:34,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:33" (1/1) ... [2023-11-24 23:02:34,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:33" (1/1) ... [2023-11-24 23:02:34,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:33" (1/1) ... [2023-11-24 23:02:34,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:33" (1/1) ... [2023-11-24 23:02:34,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:33" (1/1) ... [2023-11-24 23:02:34,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:34,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:34,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:34,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:34,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:33" (1/1) ... [2023-11-24 23:02:34,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:34,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:34,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:34,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 23:02:34,244 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 23:02:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 23:02:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 23:02:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:02:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:02:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:02:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:02:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:34,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:34,249 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:02:34,463 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:34,466 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:34,757 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:34,769 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:34,769 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:02:34,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:34 BoogieIcfgContainer [2023-11-24 23:02:34,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:34,772 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:34,773 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:34,783 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:34,783 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:34" (1/1) ... [2023-11-24 23:02:34,783 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) [2023-11-24 23:02:34,788 INFO L158 Benchmark]: Toolchain (without parser) took 1583.03ms. Allocated memory is still 102.8MB. Free memory was 77.8MB in the beginning and 66.4MB in the end (delta: 11.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:34,788 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:34,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 767.53ms. Allocated memory is still 102.8MB. Free memory was 77.5MB in the beginning and 56.8MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:02:34,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.81ms. Allocated memory is still 102.8MB. Free memory was 56.8MB in the beginning and 54.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:34,791 INFO L158 Benchmark]: Boogie Preprocessor took 78.38ms. Allocated memory is still 102.8MB. Free memory was 54.7MB in the beginning and 53.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:34,792 INFO L158 Benchmark]: RCFGBuilder took 633.05ms. Allocated memory is still 102.8MB. Free memory was 53.0MB in the beginning and 67.3MB in the end (delta: -14.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-24 23:02:34,792 INFO L158 Benchmark]: CodeCheck took 13.64ms. Allocated memory is still 102.8MB. Free memory was 67.3MB in the beginning and 66.4MB in the end (delta: 916.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:34,796 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 0.68ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 767.53ms. Allocated memory is still 102.8MB. Free memory was 77.5MB in the beginning and 56.8MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.81ms. Allocated memory is still 102.8MB. Free memory was 56.8MB in the beginning and 54.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.38ms. Allocated memory is still 102.8MB. Free memory was 54.7MB in the beginning and 53.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 633.05ms. Allocated memory is still 102.8MB. Free memory was 53.0MB in the beginning and 67.3MB in the end (delta: -14.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * CodeCheck took 13.64ms. Allocated memory is still 102.8MB. Free memory was 67.3MB in the beginning and 66.4MB in the end (delta: 916.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:02:34,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c6595e-8193-470b-a5cc-303734ea5b4f/bin/ukojak-verify-afCqCEvfdi/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