./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.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_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3 --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 c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:22:08,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:22:08,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 04:22:08,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:22:08,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:22:08,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:22:08,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:22:08,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:22:08,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:22:08,314 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:22:08,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:22:08,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:22:08,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:22:08,316 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 04:22:08,316 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 04:22:08,316 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 04:22:08,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:22:08,316 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:22:08,316 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:22:08,316 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:22:08,317 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:22:08,317 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:22:08,317 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:22:08,317 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:22:08,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:22:08,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:22:08,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:22:08,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:22:08,318 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:22:08,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:22:08,318 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_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3 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 -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2024-11-25 04:22:08,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:22:08,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:22:08,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:22:08,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:22:08,693 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:22:08,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2024-11-25 04:22:11,678 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/data/24c2ad68d/80762afadf4c4923bfba64b5e5935699/FLAG7d8acbb6c [2024-11-25 04:22:12,043 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:22:12,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2024-11-25 04:22:12,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/data/24c2ad68d/80762afadf4c4923bfba64b5e5935699/FLAG7d8acbb6c [2024-11-25 04:22:12,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/data/24c2ad68d/80762afadf4c4923bfba64b5e5935699 [2024-11-25 04:22:12,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:22:12,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:22:12,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:22:12,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:22:12,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:22:12,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d70f02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12, skipping insertion in model container [2024-11-25 04:22:12,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:22:12,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:22:12,679 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:22:12,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:22:12,813 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:22:12,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12 WrapperNode [2024-11-25 04:22:12,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:22:12,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:22:12,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:22:12,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:22:12,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,854 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 29, calls inlined = 4, statements flattened = 22 [2024-11-25 04:22:12,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:22:12,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:22:12,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:22:12,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:22:12,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,865 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,870 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:22:12,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:22:12,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:22:12,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:22:12,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:12" (1/1) ... [2024-11-25 04:22:12,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:22:12,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:22:12,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:22:12,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:22:12,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:22:12,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:22:12,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 04:22:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:22:12,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:22:13,056 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:22:13,058 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:22:13,183 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-25 04:22:13,183 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:22:13,231 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:22:13,231 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:22:13,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:22:13 BoogieIcfgContainer [2024-11-25 04:22:13,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:22:13,233 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:22:13,233 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:22:13,251 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:22:13,251 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:22:13" (1/1) ... [2024-11-25 04:22:13,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:22:13,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:22:13,337 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:22:13,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:22:13,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:13,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:22:13,473 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:22:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:22:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:22:13,565 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:22:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:22:13,593 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:22:13,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:22:13 ImpRootNode [2024-11-25 04:22:13,628 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:22:13,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:22:13,629 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:22:13,631 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:22:13,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:22:13" (3/4) ... [2024-11-25 04:22:13,632 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:22:13,684 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-25 04:22:13,744 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:22:13,746 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:22:13,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:22:13,749 INFO L158 Benchmark]: Toolchain (without parser) took 1663.39ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 41.4MB in the end (delta: 51.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 04:22:13,749 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:13,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 729.23ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 70.4MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:22:13,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.45ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 68.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:13,751 INFO L158 Benchmark]: Boogie Preprocessor took 21.25ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 67.7MB in the end (delta: 767.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:13,751 INFO L158 Benchmark]: RCFGBuilder took 355.21ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 56.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:22:13,752 INFO L158 Benchmark]: CodeCheck took 395.80ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 45.6MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:22:13,753 INFO L158 Benchmark]: Witness Printer took 116.77ms. Allocated memory is still 117.4MB. Free memory was 45.6MB in the beginning and 41.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:13,757 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, 12 locations, 4 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, 3 NumberOfCodeBlocks, 3 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 - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L766] CALL entry_point() [L762] CALL, EXPR h_unsafe() [L759] return (int *)__VERIFIER_nondet_ulong(); [L762] RET, EXPR h_unsafe() [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={1:0}, p={0:1}] [L763] free(p) VAL [ldv_global_msg_list={1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 729.23ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 70.4MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.45ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 68.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.25ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 67.7MB in the end (delta: 767.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 355.21ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 56.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 395.80ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 45.6MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 116.77ms. Allocated memory is still 117.4MB. Free memory was 45.6MB in the beginning and 41.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:22:13,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5004033-7962-438c-8992-dafbb5bdc352/bin/ukojak-verify-ENZ3QT5qd3/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)