./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_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_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/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_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/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_b326aff0-6522-47ed-ac34-ab30b943bffb/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 e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:35:44,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:35:44,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 23:35:44,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:35:44,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:35:44,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:35:44,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:35:44,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:35:44,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:35:44,292 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:35:44,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:35:44,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:35:44,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:35:44,292 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 23:35:44,292 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 23:35:44,292 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 23:35:44,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:35:44,293 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:35:44,293 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:35:44,293 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:35:44,293 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:35:44,293 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:35:44,293 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:35:44,293 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:35:44,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:35:44,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:35:44,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:35:44,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:35:44,294 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:35:44,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:35:44,294 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_b326aff0-6522-47ed-ac34-ab30b943bffb/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 -> e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b [2024-12-05 23:35:44,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:35:44,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:35:44,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:35:44,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:35:44,537 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:35:44,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2024-12-05 23:35:47,192 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/data/e7f508032/5ea2016a622949c8b150bf9035a485d4/FLAGfb8c90fa5 [2024-12-05 23:35:47,438 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:35:47,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2024-12-05 23:35:47,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/data/e7f508032/5ea2016a622949c8b150bf9035a485d4/FLAGfb8c90fa5 [2024-12-05 23:35:47,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/data/e7f508032/5ea2016a622949c8b150bf9035a485d4 [2024-12-05 23:35:47,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:35:47,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:35:47,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:35:47,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:35:47,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:35:47,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73368b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47, skipping insertion in model container [2024-12-05 23:35:47,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,498 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:35:47,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:35:47,766 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:35:47,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:35:47,846 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:35:47,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47 WrapperNode [2024-12-05 23:35:47,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:35:47,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:35:47,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:35:47,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:35:47,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,883 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 27 [2024-12-05 23:35:47,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:35:47,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:35:47,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:35:47,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:35:47,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,898 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:35:47,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:35:47,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:35:47,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:35:47,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:47" (1/1) ... [2024-12-05 23:35:47,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:35:47,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:35:47,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:35:47,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:35:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:35:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:35:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 23:35:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:35:47,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:35:48,041 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:35:48,042 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:35:48,106 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 23:35:48,107 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:35:48,149 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:35:48,149 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:35:48,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:48 BoogieIcfgContainer [2024-12-05 23:35:48,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:35:48,150 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:35:48,150 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:35:48,157 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:35:48,157 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:48" (1/1) ... [2024-12-05 23:35:48,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:35:48,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:48,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-05 23:35:48,197 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-05 23:35:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:35:48,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:48,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:48,267 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:35:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:48,314 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:35:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:48,331 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:35:48,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:35:48 ImpRootNode [2024-12-05 23:35:48,342 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:35:48,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:35:48,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:35:48,343 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:35:48,344 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:48" (3/4) ... [2024-12-05 23:35:48,345 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:35:48,346 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:35:48,347 INFO L158 Benchmark]: Toolchain (without parser) took 879.75ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 67.6MB in the end (delta: 48.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-05 23:35:48,347 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:48,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.42ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 94.4MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:35:48,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.52ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 92.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:48,348 INFO L158 Benchmark]: Boogie Preprocessor took 18.86ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 91.7MB in the end (delta: 783.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:48,349 INFO L158 Benchmark]: RCFGBuilder took 246.55ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 79.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:35:48,349 INFO L158 Benchmark]: CodeCheck took 192.37ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 67.8MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:35:48,350 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 67.6MB in the end (delta: 260.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:48,352 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: 763]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 763. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L764] CALL entry_point() [L761] CALL f5() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET f5() [L764] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.42ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 94.4MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.52ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 92.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.86ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 91.7MB in the end (delta: 783.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.55ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 79.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 192.37ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 67.8MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 67.6MB in the end (delta: 260.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:35:48,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/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_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/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_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/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_b326aff0-6522-47ed-ac34-ab30b943bffb/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 e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:35:50,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:35:50,357 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-05 23:35:50,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:35:50,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:35:50,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:35:50,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:35:50,382 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:35:50,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:35:50,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:35:50,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:35:50,383 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 23:35:50,383 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 23:35:50,383 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 23:35:50,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:35:50,383 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:35:50,383 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:35:50,383 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:35:50,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:35:50,383 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:35:50,383 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:35:50,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:35:50,384 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:35:50,384 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:35:50,384 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:35:50,384 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:35:50,384 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:35:50,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:35:50,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:35:50,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:35:50,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:35:50,384 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:35:50,384 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:35:50,385 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:35:50,385 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_b326aff0-6522-47ed-ac34-ab30b943bffb/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 -> e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b [2024-12-05 23:35:50,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:35:50,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:35:50,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:35:50,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:35:50,625 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:35:50,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2024-12-05 23:35:53,301 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/data/4ca9f1068/f47153ec15cb4dd0842cd53c85206aad/FLAG265092501 [2024-12-05 23:35:53,523 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:35:53,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2024-12-05 23:35:53,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/data/4ca9f1068/f47153ec15cb4dd0842cd53c85206aad/FLAG265092501 [2024-12-05 23:35:53,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/data/4ca9f1068/f47153ec15cb4dd0842cd53c85206aad [2024-12-05 23:35:53,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:35:53,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:35:53,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:35:53,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:35:53,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:35:53,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:35:53" (1/1) ... [2024-12-05 23:35:53,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7643a07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:53, skipping insertion in model container [2024-12-05 23:35:53,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:35:53" (1/1) ... [2024-12-05 23:35:53,887 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:35:54,102 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:35:54,142 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:35:54,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:35:54,159 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-05 23:35:54,166 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:35:54,192 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:35:54,210 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:35:54,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:35:54,216 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:35:54,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:35:54,292 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:35:54,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:54 WrapperNode [2024-12-05 23:35:54,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:35:54,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:35:54,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:35:54,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:35:54,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:54" (1/1) ... [2024-12-05 23:35:54,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:54" (1/1) ... [2024-12-05 23:35:54,329 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 27 [2024-12-05 23:35:54,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:35:54,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:35:54,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:35:54,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:35:54,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:54" (1/1) ... [2024-12-05 23:35:54,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:54" (1/1) ... [2024-12-05 23:35:54,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:54" (1/1) ... [2024-12-05 23:35:54,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:54" (1/1) ... [2024-12-05 23:35:54,346 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:54" (1/1) ... [2024-12-05 23:35:54,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:54" (1/1) ... [2024-12-05 23:35:54,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:54" (1/1) ... [2024-12-05 23:35:54,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:54" (1/1) ... [2024-12-05 23:35:54,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:54" (1/1) ... [2024-12-05 23:35:54,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:35:54,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:35:54,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:35:54,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:35:54,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:35:54" (1/1) ... [2024-12-05 23:35:54,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:35:54,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:35:54,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:35:54,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:35:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:35:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:35:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 23:35:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:35:54,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:35:54,484 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:35:54,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:35:54,544 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 23:35:54,544 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:35:54,595 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:35:54,595 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:35:54,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:54 BoogieIcfgContainer [2024-12-05 23:35:54,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:35:54,596 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:35:54,596 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:35:54,605 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:35:54,605 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:54" (1/1) ... [2024-12-05 23:35:54,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:35:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:54,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-05 23:35:54,645 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-05 23:35:54,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:35:54,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:54,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:35:54,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:35:54,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:35:54,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:35:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:54,734 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:35:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:54,794 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:35:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:54,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:35:54,814 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:35:54,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:35:54 ImpRootNode [2024-12-05 23:35:54,828 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:35:54,828 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:35:54,828 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:35:54,828 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:35:54,829 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:54" (3/4) ... [2024-12-05 23:35:54,831 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:35:54,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:35:54,832 INFO L158 Benchmark]: Toolchain (without parser) took 976.70ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 45.3MB in the end (delta: 23.5MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-12-05 23:35:54,833 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:54,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.72ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 41.4MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:35:54,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.74ms. Allocated memory is still 92.3MB. Free memory was 41.4MB in the beginning and 39.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:54,834 INFO L158 Benchmark]: Boogie Preprocessor took 21.92ms. Allocated memory is still 92.3MB. Free memory was 39.6MB in the beginning and 69.4MB in the end (delta: -29.8MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-12-05 23:35:54,834 INFO L158 Benchmark]: RCFGBuilder took 243.48ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 56.0MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:35:54,834 INFO L158 Benchmark]: CodeCheck took 231.34ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 45.6MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:35:54,835 INFO L158 Benchmark]: Witness Printer took 3.27ms. Allocated memory is still 92.3MB. Free memory was 45.6MB in the beginning and 45.3MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:54,837 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: 763]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 763. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L764] CALL entry_point() [L761] CALL f5() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET f5() [L764] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.72ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 41.4MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.74ms. Allocated memory is still 92.3MB. Free memory was 41.4MB in the beginning and 39.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.92ms. Allocated memory is still 92.3MB. Free memory was 39.6MB in the beginning and 69.4MB in the end (delta: -29.8MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * RCFGBuilder took 243.48ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 56.0MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 231.34ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 45.6MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.27ms. Allocated memory is still 92.3MB. Free memory was 45.6MB in the beginning and 45.3MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:35:54,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b326aff0-6522-47ed-ac34-ab30b943bffb/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