./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_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_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/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_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/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_e991176f-f272-4d79-a047-a72aa21d1924/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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:19:57,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:19:57,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 06:19:57,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:19:57,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:19:57,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:19:57,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:19:57,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:19:57,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:19:57,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:19:57,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:19:57,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:19:57,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:19:57,438 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 06:19:57,438 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 06:19:57,438 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 06:19:57,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:19:57,438 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:19:57,438 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:19:57,439 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:19:57,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:19:57,439 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:19:57,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:19:57,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:19:57,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:19:57,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:19:57,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:19:57,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:19:57,440 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:19:57,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:19:57,440 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_e991176f-f272-4d79-a047-a72aa21d1924/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 -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2024-12-06 06:19:57,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:19:57,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:19:57,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:19:57,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:19:57,697 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:19:57,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2024-12-06 06:20:00,314 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/data/c50b0b2f4/8f7f96ad0cf44d92923740c0dfd1950f/FLAGed7381e11 [2024-12-06 06:20:00,547 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:20:00,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2024-12-06 06:20:00,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/data/c50b0b2f4/8f7f96ad0cf44d92923740c0dfd1950f/FLAGed7381e11 [2024-12-06 06:20:00,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/data/c50b0b2f4/8f7f96ad0cf44d92923740c0dfd1950f [2024-12-06 06:20:00,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:20:00,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:20:00,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:20:00,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:20:00,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:20:00,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:20:00" (1/1) ... [2024-12-06 06:20:00,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c4d3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:00, skipping insertion in model container [2024-12-06 06:20:00,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:20:00" (1/1) ... [2024-12-06 06:20:00,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:20:00,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:20:00,939 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:20:00,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:20:01,019 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:20:01,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:01 WrapperNode [2024-12-06 06:20:01,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:20:01,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:20:01,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:20:01,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:20:01,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:01" (1/1) ... [2024-12-06 06:20:01,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:01" (1/1) ... [2024-12-06 06:20:01,052 INFO L138 Inliner]: procedures = 166, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 28 [2024-12-06 06:20:01,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:20:01,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:20:01,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:20:01,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:20:01,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:01" (1/1) ... [2024-12-06 06:20:01,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:01" (1/1) ... [2024-12-06 06:20:01,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:01" (1/1) ... [2024-12-06 06:20:01,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:01" (1/1) ... [2024-12-06 06:20:01,063 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:01" (1/1) ... [2024-12-06 06:20:01,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:01" (1/1) ... [2024-12-06 06:20:01,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:01" (1/1) ... [2024-12-06 06:20:01,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:01" (1/1) ... [2024-12-06 06:20:01,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:01" (1/1) ... [2024-12-06 06:20:01,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:20:01,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:20:01,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:20:01,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:20:01,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:01" (1/1) ... [2024-12-06 06:20:01,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:20:01,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:20:01,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:20:01,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:20:01,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 06:20:01,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:20:01,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 06:20:01,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:20:01,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:20:01,191 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:20:01,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:20:01,247 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 06:20:01,247 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:20:01,289 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:20:01,289 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:20:01,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:20:01 BoogieIcfgContainer [2024-12-06 06:20:01,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:20:01,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:20:01,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:20:01,298 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:20:01,298 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:20:01" (1/1) ... [2024-12-06 06:20:01,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:20:01,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:01,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 06:20:01,340 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 06:20:01,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 06:20:01,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:01,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:20:01,416 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:20:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:20:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:20:01,466 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:20:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:20:01,482 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:20:01,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:20:01 ImpRootNode [2024-12-06 06:20:01,499 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:20:01,499 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:20:01,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:20:01,500 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:20:01,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:20:01" (3/4) ... [2024-12-06 06:20:01,502 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:20:01,503 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:20:01,504 INFO L158 Benchmark]: Toolchain (without parser) took 926.86ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 66.6MB in the end (delta: 48.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 06:20:01,504 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:20:01,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.79ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 93.7MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:20:01,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.22ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 92.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:20:01,506 INFO L158 Benchmark]: Boogie Preprocessor took 14.39ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 91.1MB in the end (delta: 569.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:20:01,506 INFO L158 Benchmark]: RCFGBuilder took 222.53ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 78.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:20:01,507 INFO L158 Benchmark]: CodeCheck took 208.72ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 66.9MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:20:01,507 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 142.6MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:20:01,509 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: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 [L769] 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 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.79ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 93.7MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.22ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 92.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.39ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 91.1MB in the end (delta: 569.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 222.53ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 78.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 208.72ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 66.9MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 142.6MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:20:01,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/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_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/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_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/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_e991176f-f272-4d79-a047-a72aa21d1924/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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:20:03,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:20:03,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 06:20:03,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:20:03,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:20:03,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:20:03,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:20:03,525 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:20:03,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:20:03,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:20:03,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:20:03,526 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 06:20:03,526 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 06:20:03,526 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 06:20:03,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:20:03,526 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:20:03,526 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:20:03,526 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:20:03,526 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:20:03,527 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:20:03,527 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:20:03,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:20:03,527 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:20:03,527 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:20:03,527 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:20:03,527 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:20:03,527 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:20:03,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:20:03,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:20:03,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:20:03,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:20:03,528 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:20:03,528 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:20:03,528 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:20:03,528 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_e991176f-f272-4d79-a047-a72aa21d1924/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 -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2024-12-06 06:20:03,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:20:03,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:20:03,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:20:03,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:20:03,789 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:20:03,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2024-12-06 06:20:06,470 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/data/7c52b00aa/f065ccbe7d9a4aed92a2c1a7b54b0556/FLAGf235b9a8c [2024-12-06 06:20:06,687 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:20:06,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2024-12-06 06:20:06,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/data/7c52b00aa/f065ccbe7d9a4aed92a2c1a7b54b0556/FLAGf235b9a8c [2024-12-06 06:20:06,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/data/7c52b00aa/f065ccbe7d9a4aed92a2c1a7b54b0556 [2024-12-06 06:20:06,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:20:06,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:20:06,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:20:06,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:20:06,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:20:06,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:20:06" (1/1) ... [2024-12-06 06:20:06,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17150108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:06, skipping insertion in model container [2024-12-06 06:20:06,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:20:06" (1/1) ... [2024-12-06 06:20:06,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:20:06,994 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 06:20:07,037 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 06:20:07,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:20:07,056 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 06:20:07,063 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:20:07,089 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 06:20:07,107 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 06:20:07,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:20:07,114 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:20:07,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:20:07,192 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:20:07,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:07 WrapperNode [2024-12-06 06:20:07,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:20:07,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:20:07,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:20:07,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:20:07,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:07" (1/1) ... [2024-12-06 06:20:07,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:07" (1/1) ... [2024-12-06 06:20:07,229 INFO L138 Inliner]: procedures = 167, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 28 [2024-12-06 06:20:07,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:20:07,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:20:07,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:20:07,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:20:07,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:07" (1/1) ... [2024-12-06 06:20:07,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:07" (1/1) ... [2024-12-06 06:20:07,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:07" (1/1) ... [2024-12-06 06:20:07,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:07" (1/1) ... [2024-12-06 06:20:07,244 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:07" (1/1) ... [2024-12-06 06:20:07,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:07" (1/1) ... [2024-12-06 06:20:07,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:07" (1/1) ... [2024-12-06 06:20:07,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:07" (1/1) ... [2024-12-06 06:20:07,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:07" (1/1) ... [2024-12-06 06:20:07,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:20:07,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:20:07,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:20:07,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:20:07,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:07" (1/1) ... [2024-12-06 06:20:07,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:20:07,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:20:07,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:20:07,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:20:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 06:20:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:20:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 06:20:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:20:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:20:07,379 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:20:07,380 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:20:07,443 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 06:20:07,443 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:20:07,499 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:20:07,499 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:20:07,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:20:07 BoogieIcfgContainer [2024-12-06 06:20:07,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:20:07,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:20:07,500 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:20:07,508 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:20:07,508 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:20:07" (1/1) ... [2024-12-06 06:20:07,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:20:07,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 06:20:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 06:20:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 06:20:07,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:07,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:20:07,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:20:07,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:20:07,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:20:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:20:07,634 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:20:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:20:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:20:07,696 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:20:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:20:07,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:20:07,717 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:20:07,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:20:07 ImpRootNode [2024-12-06 06:20:07,733 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:20:07,734 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:20:07,734 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:20:07,734 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:20:07,735 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:20:07" (3/4) ... [2024-12-06 06:20:07,737 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:20:07,737 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:20:07,738 INFO L158 Benchmark]: Toolchain (without parser) took 1021.36ms. Allocated memory is still 92.3MB. Free memory was 67.4MB in the beginning and 42.3MB in the end (delta: 25.1MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-12-06 06:20:07,739 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:20:07,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.19ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 39.8MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:20:07,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.78ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 68.1MB in the end (delta: -28.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-12-06 06:20:07,740 INFO L158 Benchmark]: Boogie Preprocessor took 19.28ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 67.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:20:07,740 INFO L158 Benchmark]: RCFGBuilder took 249.75ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 53.1MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:20:07,740 INFO L158 Benchmark]: CodeCheck took 233.07ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 42.6MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:20:07,740 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 92.3MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:20:07,742 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: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 [L769] 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 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.19ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 39.8MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.78ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 68.1MB in the end (delta: -28.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.28ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 67.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 249.75ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 53.1MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 233.07ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 42.6MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 92.3MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:20:07,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991176f-f272-4d79-a047-a72aa21d1924/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