./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b --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 0.3.0-dev-d790fec [2024-12-05 23:51:01,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:51:01,470 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 23:51:01,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:51:01,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:51:01,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:51:01,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:51:01,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:51:01,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:51:01,494 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:51:01,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:51:01,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:51:01,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:51:01,494 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 23:51:01,494 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 23:51:01,494 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 23:51:01,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:51:01,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:51:01,495 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:51:01,495 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:51:01,495 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:51:01,495 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:51:01,495 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:51:01,495 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:51:01,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:51:01,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:51:01,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:51:01,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:51:01,496 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:51:01,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:51:01,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-05 23:51:01,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:51:01,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:51:01,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:51:01,714 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:51:01,714 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:51:01,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2024-12-05 23:51:04,316 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/data/2c7b3e198/9839430715c64186b6e96cbb41732436/FLAG0dccbb035 [2024-12-05 23:51:04,572 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:51:04,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2024-12-05 23:51:04,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/data/2c7b3e198/9839430715c64186b6e96cbb41732436/FLAG0dccbb035 [2024-12-05 23:51:04,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/data/2c7b3e198/9839430715c64186b6e96cbb41732436 [2024-12-05 23:51:04,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:51:04,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:51:04,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:51:04,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:51:04,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:51:04,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:51:04" (1/1) ... [2024-12-05 23:51:04,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34181706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:04, skipping insertion in model container [2024-12-05 23:51:04,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:51:04" (1/1) ... [2024-12-05 23:51:04,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:51:05,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:51:05,264 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:51:05,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:51:05,359 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:51:05,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:05 WrapperNode [2024-12-05 23:51:05,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:51:05,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:51:05,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:51:05,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:51:05,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:05" (1/1) ... [2024-12-05 23:51:05,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:05" (1/1) ... [2024-12-05 23:51:05,403 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 33 [2024-12-05 23:51:05,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:51:05,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:51:05,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:51:05,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:51:05,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:05" (1/1) ... [2024-12-05 23:51:05,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:05" (1/1) ... [2024-12-05 23:51:05,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:05" (1/1) ... [2024-12-05 23:51:05,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:05" (1/1) ... [2024-12-05 23:51:05,419 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:05" (1/1) ... [2024-12-05 23:51:05,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:05" (1/1) ... [2024-12-05 23:51:05,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:05" (1/1) ... [2024-12-05 23:51:05,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:05" (1/1) ... [2024-12-05 23:51:05,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:05" (1/1) ... [2024-12-05 23:51:05,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:51:05,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:51:05,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:51:05,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:51:05,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:05" (1/1) ... [2024-12-05 23:51:05,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:51:05,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:51:05,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:51:05,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:51:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:51:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:51:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 23:51:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:51:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:51:05,572 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:51:05,574 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:51:05,646 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-05 23:51:05,646 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:51:05,710 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:51:05,710 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:51:05,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:51:05 BoogieIcfgContainer [2024-12-05 23:51:05,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:51:05,711 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:51:05,711 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:51:05,721 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:51:05,721 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:51:05" (1/1) ... [2024-12-05 23:51:05,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:51:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:51:05,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-05 23:51:05,774 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-05 23:51:05,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:51:05,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:51:05,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:51:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:51:05,857 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:51:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:51:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:51:05,915 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:51:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:51:05,933 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:51:05,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:51:05 ImpRootNode [2024-12-05 23:51:05,950 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:51:05,950 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:51:05,950 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:51:05,951 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:51:05,951 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:51:05" (3/4) ... [2024-12-05 23:51:05,953 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:51:05,954 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:51:05,955 INFO L158 Benchmark]: Toolchain (without parser) took 1054.74ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 64.8MB in the end (delta: 51.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-05 23:51:05,955 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:51:05,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.63ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 94.3MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:51:05,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.87ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 92.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:51:05,957 INFO L158 Benchmark]: Boogie Preprocessor took 18.22ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 91.8MB in the end (delta: 879.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:51:05,957 INFO L158 Benchmark]: RCFGBuilder took 287.56ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 77.1MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:51:05,958 INFO L158 Benchmark]: CodeCheck took 238.39ms. Allocated memory is still 142.6MB. Free memory was 77.1MB in the beginning and 65.1MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:51:05,958 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 65.1MB in the beginning and 64.8MB in the end (delta: 278.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:51:05,960 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: 0.2s, 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, ConComCheckerStatistics: 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.63ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 94.3MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.87ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 92.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.22ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 91.8MB in the end (delta: 879.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.56ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 77.1MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 238.39ms. Allocated memory is still 142.6MB. Free memory was 77.1MB in the beginning and 65.1MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 65.1MB in the beginning and 64.8MB in the end (delta: 278.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:51:05,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b --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 0.3.0-dev-d790fec [2024-12-05 23:51:07,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:51:08,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-05 23:51:08,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:51:08,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:51:08,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:51:08,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:51:08,095 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:51:08,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:51:08,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:51:08,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:51:08,095 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 23:51:08,095 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 23:51:08,096 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 23:51:08,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:51:08,096 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:51:08,096 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:51:08,096 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:51:08,096 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:51:08,096 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:51:08,096 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:51:08,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:51:08,097 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:51:08,097 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:51:08,097 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:51:08,097 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:51:08,097 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:51:08,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:51:08,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:51:08,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:51:08,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:51:08,098 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:51:08,098 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:51:08,098 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:51:08,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-05 23:51:08,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:51:08,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:51:08,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:51:08,333 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:51:08,334 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:51:08,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2024-12-05 23:51:11,225 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/data/3138d4d96/8e8d77dd692a45188e1c6931a8706592/FLAG417cb3c58 [2024-12-05 23:51:11,463 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:51:11,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2024-12-05 23:51:11,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/data/3138d4d96/8e8d77dd692a45188e1c6931a8706592/FLAG417cb3c58 [2024-12-05 23:51:11,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/data/3138d4d96/8e8d77dd692a45188e1c6931a8706592 [2024-12-05 23:51:11,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:51:11,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:51:11,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:51:11,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:51:11,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:51:11,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:51:11" (1/1) ... [2024-12-05 23:51:11,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5694c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:11, skipping insertion in model container [2024-12-05 23:51:11,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:51:11" (1/1) ... [2024-12-05 23:51:11,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:51:11,791 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:51:11,844 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:51:11,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:51:11,866 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-05 23:51:11,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:51:11,906 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:51:11,931 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:51:11,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:51:11,940 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:51:11,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:51:12,030 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:51:12,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:12 WrapperNode [2024-12-05 23:51:12,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:51:12,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:51:12,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:51:12,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:51:12,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:12" (1/1) ... [2024-12-05 23:51:12,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:12" (1/1) ... [2024-12-05 23:51:12,076 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 33 [2024-12-05 23:51:12,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:51:12,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:51:12,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:51:12,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:51:12,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:12" (1/1) ... [2024-12-05 23:51:12,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:12" (1/1) ... [2024-12-05 23:51:12,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:12" (1/1) ... [2024-12-05 23:51:12,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:12" (1/1) ... [2024-12-05 23:51:12,100 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:12" (1/1) ... [2024-12-05 23:51:12,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:12" (1/1) ... [2024-12-05 23:51:12,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:12" (1/1) ... [2024-12-05 23:51:12,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:12" (1/1) ... [2024-12-05 23:51:12,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:12" (1/1) ... [2024-12-05 23:51:12,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:51:12,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:51:12,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:51:12,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:51:12,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:51:12" (1/1) ... [2024-12-05 23:51:12,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:51:12,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:51:12,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:51:12,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:51:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:51:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:51:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 23:51:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:51:12,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:51:12,281 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:51:12,283 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:51:12,370 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-05 23:51:12,371 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:51:12,464 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:51:12,464 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:51:12,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:51:12 BoogieIcfgContainer [2024-12-05 23:51:12,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:51:12,465 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:51:12,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:51:12,473 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:51:12,474 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:51:12" (1/1) ... [2024-12-05 23:51:12,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:51:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:51:12,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-05 23:51:12,522 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-05 23:51:12,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:51:12,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:51:12,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:51:12,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:51:12,527 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:51:12,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:51:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:51:12,647 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:51:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:51:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:51:12,720 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:51:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:51:12,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:51:12,743 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:51:12,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:51:12 ImpRootNode [2024-12-05 23:51:12,760 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:51:12,761 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:51:12,761 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:51:12,761 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:51:12,762 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:51:12" (3/4) ... [2024-12-05 23:51:12,764 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:51:12,765 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:51:12,765 INFO L158 Benchmark]: Toolchain (without parser) took 1268.17ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 40.6MB in the end (delta: 28.0MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-12-05 23:51:12,766 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:51:12,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.04ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 41.2MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:51:12,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.05ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 39.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:51:12,767 INFO L158 Benchmark]: Boogie Preprocessor took 31.08ms. Allocated memory is still 92.3MB. Free memory was 39.4MB in the beginning and 69.1MB in the end (delta: -29.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-12-05 23:51:12,767 INFO L158 Benchmark]: RCFGBuilder took 355.63ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 52.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:51:12,767 INFO L158 Benchmark]: CodeCheck took 295.26ms. Allocated memory is still 92.3MB. Free memory was 52.1MB in the beginning and 40.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:51:12,768 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 92.3MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:51:12,769 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, ConComCheckerStatistics: 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 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.04ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 41.2MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.05ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 39.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.08ms. Allocated memory is still 92.3MB. Free memory was 39.4MB in the beginning and 69.1MB in the end (delta: -29.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * RCFGBuilder took 355.63ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 52.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 295.26ms. Allocated memory is still 92.3MB. Free memory was 52.1MB in the beginning and 40.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 92.3MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:51:12,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f92354-f7ea-4afa-9f7c-19b428c2e71d/bin/ukojak-verify-CZk0znPC7b/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