./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk --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 a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:20:00,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:20:00,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 23:20:00,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:20:00,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:20:00,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:20:00,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:20:00,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:20:00,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:20:00,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:20:00,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:20:00,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:20:00,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:20:00,711 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:20:00,712 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:20:00,712 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:20:00,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:20:00,713 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:20:00,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:20:00,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:20:00,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:20:00,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:20:00,718 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:20:00,718 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:20:00,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:20:00,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:00,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:20:00,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:20:00,719 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:20:00,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:20:00,720 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_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2024-11-08 23:20:00,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:20:01,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:20:01,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:20:01,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:20:01,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:20:01,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i Unable to find full path for "g++" [2024-11-08 23:20:02,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:20:03,230 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:20:03,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2024-11-08 23:20:03,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/data/f65300cab/db626b003e89431ebf4e9cf8fde27049/FLAG242848ab0 [2024-11-08 23:20:03,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/data/f65300cab/db626b003e89431ebf4e9cf8fde27049 [2024-11-08 23:20:03,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:20:03,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:20:03,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:03,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:20:03,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:20:03,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:03" (1/1) ... [2024-11-08 23:20:03,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce45fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:03, skipping insertion in model container [2024-11-08 23:20:03,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:03" (1/1) ... [2024-11-08 23:20:03,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:20:03,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:03,766 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:20:03,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:03,913 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:20:03,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:03 WrapperNode [2024-11-08 23:20:03,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:03,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:03,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:20:03,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:20:03,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:03" (1/1) ... [2024-11-08 23:20:03,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:03" (1/1) ... [2024-11-08 23:20:03,977 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 33 [2024-11-08 23:20:03,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:03,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:20:03,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:20:03,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:20:03,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:03" (1/1) ... [2024-11-08 23:20:03,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:03" (1/1) ... [2024-11-08 23:20:03,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:03" (1/1) ... [2024-11-08 23:20:03,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:03" (1/1) ... [2024-11-08 23:20:04,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:03" (1/1) ... [2024-11-08 23:20:04,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:03" (1/1) ... [2024-11-08 23:20:04,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:03" (1/1) ... [2024-11-08 23:20:04,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:03" (1/1) ... [2024-11-08 23:20:04,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:20:04,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:20:04,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:20:04,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:20:04,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:03" (1/1) ... [2024-11-08 23:20:04,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:04,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:20:04,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:20:04,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:20:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:20:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:20:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:20:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:20:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:20:04,208 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:20:04,214 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:20:04,310 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 23:20:04,310 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:20:04,396 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:20:04,396 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:20:04,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:04 BoogieIcfgContainer [2024-11-08 23:20:04,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:20:04,398 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:20:04,398 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:20:04,408 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:20:04,409 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:04" (1/1) ... [2024-11-08 23:20:04,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:20:04,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-08 23:20:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-08 23:20:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 23:20:04,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:04,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:04,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:20:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:04,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:20:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:04,740 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:20:04,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:20:04 ImpRootNode [2024-11-08 23:20:04,758 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:20:04,758 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:20:04,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:20:04,761 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:20:04,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:04" (3/4) ... [2024-11-08 23:20:04,765 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:20:04,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:20:04,767 INFO L158 Benchmark]: Toolchain (without parser) took 1495.57ms. Allocated memory is still 153.1MB. Free memory was 118.6MB in the beginning and 61.3MB in the end (delta: 57.3MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-11-08 23:20:04,768 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 153.1MB. Free memory was 98.3MB in the beginning and 98.1MB in the end (delta: 178.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:04,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.69ms. Allocated memory is still 153.1MB. Free memory was 118.6MB in the beginning and 93.9MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 23:20:04,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.00ms. Allocated memory is still 153.1MB. Free memory was 93.9MB in the beginning and 91.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:20:04,771 INFO L158 Benchmark]: Boogie Preprocessor took 37.73ms. Allocated memory is still 153.1MB. Free memory was 91.9MB in the beginning and 90.9MB in the end (delta: 971.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:04,773 INFO L158 Benchmark]: RCFGBuilder took 380.99ms. Allocated memory is still 153.1MB. Free memory was 90.9MB in the beginning and 75.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:20:04,774 INFO L158 Benchmark]: CodeCheck took 360.16ms. Allocated memory is still 153.1MB. Free memory was 75.1MB in the beginning and 62.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:20:04,775 INFO L158 Benchmark]: Witness Printer took 7.66ms. Allocated memory is still 153.1MB. Free memory was 62.0MB in the beginning and 61.3MB in the end (delta: 706.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:04,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L773] CALL entry_point() [L770] CALL, EXPR alloc_21() [L762] CALL, EXPR ldv_malloc(sizeof(struct A21)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A21)) [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; [L770] RET, EXPR alloc_21() [L770] struct ldv_device *dev = alloc_21(); [L773] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 153.1MB. Free memory was 98.3MB in the beginning and 98.1MB in the end (delta: 178.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.69ms. Allocated memory is still 153.1MB. Free memory was 118.6MB in the beginning and 93.9MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.00ms. Allocated memory is still 153.1MB. Free memory was 93.9MB in the beginning and 91.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.73ms. Allocated memory is still 153.1MB. Free memory was 91.9MB in the beginning and 90.9MB in the end (delta: 971.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.99ms. Allocated memory is still 153.1MB. Free memory was 90.9MB in the beginning and 75.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 360.16ms. Allocated memory is still 153.1MB. Free memory was 75.1MB in the beginning and 62.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.66ms. Allocated memory is still 153.1MB. Free memory was 62.0MB in the beginning and 61.3MB in the end (delta: 706.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:20:04,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk --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 a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:20:07,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:20:07,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-08 23:20:07,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:20:07,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:20:07,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:20:07,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:20:07,275 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:20:07,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:20:07,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:20:07,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:20:07,278 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:20:07,279 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:20:07,279 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:20:07,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:20:07,280 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:20:07,282 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:20:07,283 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:20:07,283 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:20:07,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:20:07,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:20:07,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:20:07,286 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:20:07,286 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:20:07,289 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:20:07,290 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:07,290 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:20:07,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:20:07,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:07,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:20:07,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:20:07,291 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:20:07,292 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:07,292 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:20:07,292 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_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2024-11-08 23:20:07,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:20:07,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:20:07,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:20:07,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:20:07,675 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:20:07,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i Unable to find full path for "g++" [2024-11-08 23:20:09,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:20:09,976 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:20:09,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2024-11-08 23:20:09,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/data/1b5bf373f/75e827bec3384d238e2aa8fb8a511f46/FLAGcface2f97 [2024-11-08 23:20:10,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/data/1b5bf373f/75e827bec3384d238e2aa8fb8a511f46 [2024-11-08 23:20:10,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:20:10,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:20:10,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:10,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:20:10,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:20:10,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:10" (1/1) ... [2024-11-08 23:20:10,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55589659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:10, skipping insertion in model container [2024-11-08 23:20:10,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:10" (1/1) ... [2024-11-08 23:20:10,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:20:10,716 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:20:10,791 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:20:10,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:10,815 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-08 23:20:10,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:20:10,889 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:20:10,925 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:20:10,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:10,942 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:20:11,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:11,070 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:20:11,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:11 WrapperNode [2024-11-08 23:20:11,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:11,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:11,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:20:11,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:20:11,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:11" (1/1) ... [2024-11-08 23:20:11,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:11" (1/1) ... [2024-11-08 23:20:11,116 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 33 [2024-11-08 23:20:11,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:11,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:20:11,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:20:11,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:20:11,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:11" (1/1) ... [2024-11-08 23:20:11,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:11" (1/1) ... [2024-11-08 23:20:11,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:11" (1/1) ... [2024-11-08 23:20:11,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:11" (1/1) ... [2024-11-08 23:20:11,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:11" (1/1) ... [2024-11-08 23:20:11,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:11" (1/1) ... [2024-11-08 23:20:11,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:11" (1/1) ... [2024-11-08 23:20:11,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:11" (1/1) ... [2024-11-08 23:20:11,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:20:11,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:20:11,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:20:11,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:20:11,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:11" (1/1) ... [2024-11-08 23:20:11,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:11,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:20:11,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:20:11,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:20:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:20:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:20:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:20:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:20:11,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:20:11,325 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:20:11,327 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:20:11,457 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 23:20:11,457 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:20:11,607 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:20:11,608 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:20:11,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:11 BoogieIcfgContainer [2024-11-08 23:20:11,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:20:11,609 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:20:11,609 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:20:11,622 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:20:11,622 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:11" (1/1) ... [2024-11-08 23:20:11,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:20:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:11,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-08 23:20:11,694 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-08 23:20:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 23:20:11,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:11,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:11,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:11,701 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:11,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:20:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:11,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:20:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:11,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:20:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:11,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:11,952 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:20:11,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:20:11 ImpRootNode [2024-11-08 23:20:11,970 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:20:11,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:20:11,972 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:20:11,973 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:20:11,973 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:11" (3/4) ... [2024-11-08 23:20:11,976 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:20:11,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:20:11,978 INFO L158 Benchmark]: Toolchain (without parser) took 1695.42ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 49.3MB in the beginning and 45.3MB in the end (delta: 4.1MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-08 23:20:11,978 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:11,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.67ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 40.8MB in the end (delta: 8.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 23:20:11,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.18ms. Allocated memory is still 73.4MB. Free memory was 40.8MB in the beginning and 38.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:20:11,980 INFO L158 Benchmark]: Boogie Preprocessor took 23.96ms. Allocated memory is still 73.4MB. Free memory was 38.5MB in the beginning and 37.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:20:11,981 INFO L158 Benchmark]: RCFGBuilder took 466.71ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 37.3MB in the beginning and 57.2MB in the end (delta: -19.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-08 23:20:11,982 INFO L158 Benchmark]: CodeCheck took 361.08ms. Allocated memory is still 90.2MB. Free memory was 57.2MB in the beginning and 45.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:20:11,983 INFO L158 Benchmark]: Witness Printer took 5.99ms. Allocated memory is still 90.2MB. Free memory was 45.7MB in the beginning and 45.3MB in the end (delta: 420.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:11,986 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L773] CALL entry_point() [L770] CALL, EXPR alloc_21() [L762] CALL, EXPR ldv_malloc(sizeof(struct A21)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A21)) [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; [L770] RET, EXPR alloc_21() [L770] struct ldv_device *dev = alloc_21(); [L773] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.67ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 40.8MB in the end (delta: 8.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.18ms. Allocated memory is still 73.4MB. Free memory was 40.8MB in the beginning and 38.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.96ms. Allocated memory is still 73.4MB. Free memory was 38.5MB in the beginning and 37.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.71ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 37.3MB in the beginning and 57.2MB in the end (delta: -19.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * CodeCheck took 361.08ms. Allocated memory is still 90.2MB. Free memory was 57.2MB in the beginning and 45.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.99ms. Allocated memory is still 90.2MB. Free memory was 45.7MB in the beginning and 45.3MB in the end (delta: 420.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:20:12,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec41da6a-fbf3-42e4-8348-df6bb5ace447/bin/ukojak-verify-ImItNfHLgk/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: UNKNOWN: Overapproximated counterexample