./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm --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 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:26:25,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:26:25,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 23:26:25,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:26:25,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:26:25,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:26:25,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:26:25,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:26:25,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:26:25,794 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:26:25,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:26:25,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:26:25,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:26:25,794 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 23:26:25,794 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 23:26:25,795 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 23:26:25,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:26:25,795 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:26:25,795 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:26:25,795 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:26:25,795 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:26:25,795 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:26:25,795 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:26:25,795 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:26:25,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:26:25,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:26:25,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:26:25,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:26:25,796 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:26:25,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:26:25,796 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_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm 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 -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2024-11-13 23:26:26,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:26:26,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:26:26,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:26:26,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:26:26,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:26:26,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i Unable to find full path for "g++" [2024-11-13 23:26:28,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:26:28,715 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:26:28,716 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2024-11-13 23:26:28,732 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/data/68743f1ac/7425de81a64644028c41c594702ed818/FLAG780667445 [2024-11-13 23:26:28,749 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/data/68743f1ac/7425de81a64644028c41c594702ed818 [2024-11-13 23:26:28,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:26:28,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:26:28,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:26:28,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:26:28,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:26:28,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:28" (1/1) ... [2024-11-13 23:26:28,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b949e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:28, skipping insertion in model container [2024-11-13 23:26:28,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:28" (1/1) ... [2024-11-13 23:26:28,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:26:29,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:26:29,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:26:29,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:26:29,753 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:26:29,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:29 WrapperNode [2024-11-13 23:26:29,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:26:29,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:26:29,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:26:29,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:26:29,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:29" (1/1) ... [2024-11-13 23:26:29,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:29" (1/1) ... [2024-11-13 23:26:29,829 INFO L138 Inliner]: procedures = 168, calls = 70, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 32 [2024-11-13 23:26:29,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:26:29,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:26:29,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:26:29,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:26:29,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:29" (1/1) ... [2024-11-13 23:26:29,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:29" (1/1) ... [2024-11-13 23:26:29,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:29" (1/1) ... [2024-11-13 23:26:29,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:29" (1/1) ... [2024-11-13 23:26:29,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:29" (1/1) ... [2024-11-13 23:26:29,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:29" (1/1) ... [2024-11-13 23:26:29,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:29" (1/1) ... [2024-11-13 23:26:29,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:29" (1/1) ... [2024-11-13 23:26:29,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:26:29,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:26:29,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:26:29,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:26:29,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:29" (1/1) ... [2024-11-13 23:26:29,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:26:29,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:26:29,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:26:29,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:26:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:26:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:26:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:26:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:26:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:26:30,133 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:26:30,135 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:26:30,248 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 23:26:30,248 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:26:30,357 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:26:30,358 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:26:30,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:30 BoogieIcfgContainer [2024-11-13 23:26:30,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:26:30,360 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:26:30,360 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:26:30,373 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:26:30,374 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:30" (1/1) ... [2024-11-13 23:26:30,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:26:30,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:30,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 23:26:30,448 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 23:26:30,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 23:26:30,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:30,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:26:30,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:26:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:26:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:26:30,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:26:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:26:30,752 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:26:30,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:26:30 ImpRootNode [2024-11-13 23:26:30,779 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:26:30,779 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:26:30,780 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:26:30,781 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:26:30,782 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:30" (3/4) ... [2024-11-13 23:26:30,785 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:26:30,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:26:30,791 INFO L158 Benchmark]: Toolchain (without parser) took 2033.28ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 38.9MB in the end (delta: 52.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 23:26:30,792 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:26:30,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 995.40ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 69.6MB in the end (delta: 22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:26:30,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.45ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:26:30,793 INFO L158 Benchmark]: Boogie Preprocessor took 43.22ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 66.9MB in the end (delta: 928.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:26:30,794 INFO L158 Benchmark]: RCFGBuilder took 482.09ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 52.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:26:30,795 INFO L158 Benchmark]: CodeCheck took 419.20ms. Allocated memory is still 117.4MB. Free memory was 52.0MB in the beginning and 39.4MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:26:30,795 INFO L158 Benchmark]: Witness Printer took 6.96ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 38.9MB in the end (delta: 451.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:26:30,798 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; [L782] CALL entry_point() [L778] CALL alloc_20() [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L774] CALL ldv_register_device(&p->dev) [L763] saved_device_20 = dev [L774] RET ldv_register_device(&p->dev) [L778] RET alloc_20() [L779] saved_device_20 = 0 [L782] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 995.40ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 69.6MB in the end (delta: 22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.45ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.22ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 66.9MB in the end (delta: 928.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 482.09ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 52.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 419.20ms. Allocated memory is still 117.4MB. Free memory was 52.0MB in the beginning and 39.4MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.96ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 38.9MB in the end (delta: 451.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:26:30,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm --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 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:26:34,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:26:34,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 23:26:34,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:26:34,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:26:34,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:26:34,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:26:34,364 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:26:34,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:26:34,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:26:34,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:26:34,365 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 23:26:34,365 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 23:26:34,365 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 23:26:34,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:26:34,365 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:26:34,365 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:26:34,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:26:34,366 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:26:34,366 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:26:34,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:26:34,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:26:34,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:26:34,367 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:26:34,367 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:26:34,367 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:34,367 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:26:34,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:26:34,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:26:34,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:26:34,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:26:34,368 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:26:34,368 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:34,368 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:26:34,368 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_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm 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 -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2024-11-13 23:26:34,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:26:34,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:26:34,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:26:34,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:26:34,788 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:26:34,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i Unable to find full path for "g++" [2024-11-13 23:26:36,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:26:37,080 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:26:37,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2024-11-13 23:26:37,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/data/9c3116c9c/e9ea4ecb1c7f46fda09f179affd7d59f/FLAGad7c1fa08 [2024-11-13 23:26:37,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/data/9c3116c9c/e9ea4ecb1c7f46fda09f179affd7d59f [2024-11-13 23:26:37,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:26:37,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:26:37,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:26:37,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:26:37,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:26:37,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:37,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345759d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37, skipping insertion in model container [2024-11-13 23:26:37,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:37,193 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:26:37,613 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:26:37,681 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:26:37,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:26:37,713 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-13 23:26:37,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:26:37,789 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:26:37,833 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:26:37,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:26:37,845 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:26:37,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:26:37,951 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:26:37,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37 WrapperNode [2024-11-13 23:26:37,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:26:37,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:26:37,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:26:37,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:26:37,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:37,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:38,000 INFO L138 Inliner]: procedures = 169, calls = 70, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 32 [2024-11-13 23:26:38,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:26:38,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:26:38,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:26:38,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:26:38,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:38,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:38,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:38,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:38,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:38,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:38,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:38,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:38,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:26:38,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:26:38,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:26:38,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:26:38,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:38,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:26:38,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:26:38,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:26:38,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:26:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:26:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:26:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:26:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:26:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:26:38,243 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:26:38,269 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:26:38,379 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 23:26:38,379 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:26:38,498 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:26:38,498 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:26:38,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:38 BoogieIcfgContainer [2024-11-13 23:26:38,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:26:38,499 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:26:38,499 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:26:38,510 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:26:38,510 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:38" (1/1) ... [2024-11-13 23:26:38,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:26:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:38,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 23:26:38,575 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 23:26:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 23:26:38,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:38,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:38,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:38,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:38,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:26:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:26:38,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:26:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:26:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:26:38,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:26:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:26:38,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:26:38,898 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:26:38,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:26:38 ImpRootNode [2024-11-13 23:26:38,923 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:26:38,924 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:26:38,924 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:26:38,924 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:26:38,925 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:38" (3/4) ... [2024-11-13 23:26:38,927 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:26:38,928 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:26:38,931 INFO L158 Benchmark]: Toolchain (without parser) took 1790.41ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 35.7MB in the end (delta: 24.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-13 23:26:38,931 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:26:38,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.58ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 32.0MB in the end (delta: 27.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:26:38,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.29ms. Allocated memory is still 83.9MB. Free memory was 32.0MB in the beginning and 30.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:26:38,932 INFO L158 Benchmark]: Boogie Preprocessor took 25.39ms. Allocated memory is still 83.9MB. Free memory was 29.9MB in the beginning and 29.0MB in the end (delta: 921.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:26:38,932 INFO L158 Benchmark]: RCFGBuilder took 467.97ms. Allocated memory is still 83.9MB. Free memory was 29.0MB in the beginning and 48.0MB in the end (delta: -19.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-13 23:26:38,933 INFO L158 Benchmark]: CodeCheck took 424.08ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 36.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:26:38,933 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 83.9MB. Free memory was 36.3MB in the beginning and 35.7MB in the end (delta: 528.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:26:38,935 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; [L782] CALL entry_point() [L778] CALL alloc_20() [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L774] CALL ldv_register_device(&p->dev) [L763] saved_device_20 = dev [L774] RET ldv_register_device(&p->dev) [L778] RET alloc_20() [L779] saved_device_20 = 0 [L782] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.58ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 32.0MB in the end (delta: 27.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.29ms. Allocated memory is still 83.9MB. Free memory was 32.0MB in the beginning and 30.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.39ms. Allocated memory is still 83.9MB. Free memory was 29.9MB in the beginning and 29.0MB in the end (delta: 921.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.97ms. Allocated memory is still 83.9MB. Free memory was 29.0MB in the beginning and 48.0MB in the end (delta: -19.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 424.08ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 36.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 83.9MB. Free memory was 36.3MB in the beginning and 35.7MB in the end (delta: 528.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:26:38,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aee311df-594f-4fbc-9e4d-a391b483df30/bin/ukojak-verify-EEHR8qb7sm/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