./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:40:39,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:40:39,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 04:40:39,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:40:39,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:40:39,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:40:39,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:40:39,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:40:39,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:40:39,194 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:40:39,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:40:39,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:40:39,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:40:39,195 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 04:40:39,195 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 04:40:39,195 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 04:40:39,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:40:39,195 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:40:39,195 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:40:39,195 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:40:39,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:40:39,196 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:40:39,196 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:40:39,196 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:40:39,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:40:39,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:40:39,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:40:39,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:40:39,196 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:40:39,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:40:39,197 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_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2024-11-25 04:40:39,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:40:39,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:40:39,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:40:39,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:40:39,514 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:40:39,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2024-11-25 04:40:42,483 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/data/b1fbc3594/8bc16b5515a04ddb80327a56a9fa63b6/FLAGe399e6fc6 [2024-11-25 04:40:42,919 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:40:42,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2024-11-25 04:40:42,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/data/b1fbc3594/8bc16b5515a04ddb80327a56a9fa63b6/FLAGe399e6fc6 [2024-11-25 04:40:42,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/data/b1fbc3594/8bc16b5515a04ddb80327a56a9fa63b6 [2024-11-25 04:40:42,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:40:42,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:40:42,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:40:42,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:40:42,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:40:42,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:40:42" (1/1) ... [2024-11-25 04:40:42,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297d85d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:42, skipping insertion in model container [2024-11-25 04:40:42,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:40:42" (1/1) ... [2024-11-25 04:40:43,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:40:43,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:40:43,468 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:40:43,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:40:43,552 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:40:43,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:43 WrapperNode [2024-11-25 04:40:43,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:40:43,553 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:40:43,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:40:43,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:40:43,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:43" (1/1) ... [2024-11-25 04:40:43,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:43" (1/1) ... [2024-11-25 04:40:43,588 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 33 [2024-11-25 04:40:43,588 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:40:43,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:40:43,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:40:43,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:40:43,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:43" (1/1) ... [2024-11-25 04:40:43,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:43" (1/1) ... [2024-11-25 04:40:43,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:43" (1/1) ... [2024-11-25 04:40:43,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:43" (1/1) ... [2024-11-25 04:40:43,604 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:43" (1/1) ... [2024-11-25 04:40:43,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:43" (1/1) ... [2024-11-25 04:40:43,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:43" (1/1) ... [2024-11-25 04:40:43,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:43" (1/1) ... [2024-11-25 04:40:43,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:43" (1/1) ... [2024-11-25 04:40:43,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:40:43,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:40:43,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:40:43,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:40:43,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:43" (1/1) ... [2024-11-25 04:40:43,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:40:43,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:40:43,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:40:43,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:40:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:40:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:40:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 04:40:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:40:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:40:43,811 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:40:43,813 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:40:43,932 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-25 04:40:43,932 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:40:44,030 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:40:44,031 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:40:44,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:44 BoogieIcfgContainer [2024-11-25 04:40:44,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:40:44,032 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:40:44,032 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:40:44,042 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:40:44,042 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:44" (1/1) ... [2024-11-25 04:40:44,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:40:44,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:44,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-25 04:40:44,103 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-25 04:40:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:40:44,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:44,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:40:44,221 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:40:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:40:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:40:44,287 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:40:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:40:44,309 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:40:44,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:40:44 ImpRootNode [2024-11-25 04:40:44,331 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:40:44,331 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:40:44,331 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:40:44,332 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:40:44,332 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:44" (3/4) ... [2024-11-25 04:40:44,335 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:40:44,336 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:40:44,336 INFO L158 Benchmark]: Toolchain (without parser) took 1367.56ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 40.1MB in the end (delta: 51.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 04:40:44,337 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:40:44,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.50ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 70.2MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:40:44,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.17ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 68.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:40:44,338 INFO L158 Benchmark]: Boogie Preprocessor took 20.53ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 67.5MB in the end (delta: 996.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:40:44,338 INFO L158 Benchmark]: RCFGBuilder took 421.26ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 52.6MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:40:44,339 INFO L158 Benchmark]: CodeCheck took 298.78ms. Allocated memory is still 117.4MB. Free memory was 52.6MB in the beginning and 40.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:40:44,339 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 117.4MB. Free memory was 40.5MB in the beginning and 40.1MB in the end (delta: 329.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:40:44,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L773] CALL entry_point() [L770] CALL, EXPR alloc_21() [L762] CALL, EXPR ldv_malloc(sizeof(struct A21)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A21)) [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; [L770] RET, EXPR alloc_21() [L770] struct ldv_device *dev = alloc_21(); [L773] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 582.50ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 70.2MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.17ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 68.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.53ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 67.5MB in the end (delta: 996.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 421.26ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 52.6MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 298.78ms. Allocated memory is still 117.4MB. Free memory was 52.6MB in the beginning and 40.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 117.4MB. Free memory was 40.5MB in the beginning and 40.1MB in the end (delta: 329.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:40:44,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:40:47,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:40:47,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-25 04:40:47,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:40:47,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:40:47,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:40:47,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:40:47,214 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:40:47,214 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:40:47,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:40:47,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:40:47,215 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 04:40:47,215 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 04:40:47,215 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 04:40:47,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:40:47,215 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:40:47,215 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:40:47,217 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:40:47,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:40:47,218 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:40:47,218 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:40:47,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:40:47,219 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:40:47,219 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:40:47,219 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:40:47,219 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:47,219 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:40:47,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:40:47,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:40:47,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:40:47,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:40:47,220 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:40:47,220 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:47,220 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:40:47,220 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_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2024-11-25 04:40:47,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:40:47,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:40:47,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:40:47,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:40:47,580 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:40:47,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2024-11-25 04:40:50,545 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/data/eb525b4df/ec65bf2b39b54fd685bffd7a23a612aa/FLAG631866945 [2024-11-25 04:40:50,906 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:40:50,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2024-11-25 04:40:50,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/data/eb525b4df/ec65bf2b39b54fd685bffd7a23a612aa/FLAG631866945 [2024-11-25 04:40:50,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/data/eb525b4df/ec65bf2b39b54fd685bffd7a23a612aa [2024-11-25 04:40:50,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:40:50,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:40:50,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:40:50,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:40:50,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:40:50,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:40:50" (1/1) ... [2024-11-25 04:40:50,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb76a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:50, skipping insertion in model container [2024-11-25 04:40:50,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:40:50" (1/1) ... [2024-11-25 04:40:51,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:40:51,369 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:40:51,421 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:40:51,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:40:51,441 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-25 04:40:51,449 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:40:51,494 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:40:51,514 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:40:51,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:40:51,522 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:40:51,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:40:51,619 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:40:51,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51 WrapperNode [2024-11-25 04:40:51,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:40:51,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:40:51,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:40:51,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:40:51,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51" (1/1) ... [2024-11-25 04:40:51,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51" (1/1) ... [2024-11-25 04:40:51,694 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 33 [2024-11-25 04:40:51,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:40:51,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:40:51,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:40:51,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:40:51,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51" (1/1) ... [2024-11-25 04:40:51,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51" (1/1) ... [2024-11-25 04:40:51,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51" (1/1) ... [2024-11-25 04:40:51,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51" (1/1) ... [2024-11-25 04:40:51,715 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51" (1/1) ... [2024-11-25 04:40:51,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51" (1/1) ... [2024-11-25 04:40:51,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51" (1/1) ... [2024-11-25 04:40:51,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51" (1/1) ... [2024-11-25 04:40:51,727 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51" (1/1) ... [2024-11-25 04:40:51,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:40:51,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:40:51,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:40:51,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:40:51,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51" (1/1) ... [2024-11-25 04:40:51,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:40:51,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:40:51,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:40:51,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:40:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:40:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:40:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 04:40:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:40:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:40:51,956 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:40:51,958 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:40:52,074 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-25 04:40:52,075 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:40:52,179 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:40:52,179 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:40:52,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:52 BoogieIcfgContainer [2024-11-25 04:40:52,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:40:52,181 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:40:52,181 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:40:52,192 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:40:52,192 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:52" (1/1) ... [2024-11-25 04:40:52,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:40:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:52,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-25 04:40:52,254 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-25 04:40:52,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:40:52,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:52,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:52,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:52,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:52,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:40:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:40:52,430 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:40:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:40:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:40:52,542 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:40:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:40:52,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:40:52,580 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:40:52,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:40:52 ImpRootNode [2024-11-25 04:40:52,601 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:40:52,602 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:40:52,602 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:40:52,602 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:40:52,603 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:52" (3/4) ... [2024-11-25 04:40:52,606 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:40:52,607 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:40:52,609 INFO L158 Benchmark]: Toolchain (without parser) took 1651.63ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 28.7MB in the end (delta: 28.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-25 04:40:52,610 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory was 63.0MB in the beginning and 63.0MB in the end (delta: 18.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:40:52,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.46ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 29.9MB in the end (delta: 27.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:40:52,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.19ms. Allocated memory is still 83.9MB. Free memory was 29.9MB in the beginning and 58.2MB in the end (delta: -28.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-25 04:40:52,611 INFO L158 Benchmark]: Boogie Preprocessor took 37.80ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 56.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:40:52,613 INFO L158 Benchmark]: RCFGBuilder took 446.19ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 39.6MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:40:52,613 INFO L158 Benchmark]: CodeCheck took 420.19ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 29.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:40:52,614 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 83.9MB. Free memory is still 28.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:40:52,617 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L773] CALL entry_point() [L770] CALL, EXPR alloc_21() [L762] CALL, EXPR ldv_malloc(sizeof(struct A21)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A21)) [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; [L770] RET, EXPR alloc_21() [L770] struct ldv_device *dev = alloc_21(); [L773] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory was 63.0MB in the beginning and 63.0MB in the end (delta: 18.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.46ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 29.9MB in the end (delta: 27.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.19ms. Allocated memory is still 83.9MB. Free memory was 29.9MB in the beginning and 58.2MB in the end (delta: -28.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.80ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 56.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 446.19ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 39.6MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 420.19ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 29.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 83.9MB. Free memory is still 28.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:40:52,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752de628-3109-4091-b86d-72754f05aa5c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample