./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.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_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/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_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/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_965aac34-abc0-456f-b9b3-862d7f144095/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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:50:59,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:50:59,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 04:50:59,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:50:59,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:50:59,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:50:59,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:50:59,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:50:59,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:50:59,175 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:50:59,175 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:50:59,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:50:59,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:50:59,175 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:50:59,175 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:50:59,175 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:50:59,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:50:59,176 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:50:59,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:50:59,176 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:50:59,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:50:59,176 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:50:59,176 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:50:59,176 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:50:59,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:50:59,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:50:59,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:50:59,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:50:59,177 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:50:59,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:50:59,177 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_965aac34-abc0-456f-b9b3-862d7f144095/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 -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2024-12-06 04:50:59,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:50:59,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:50:59,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:50:59,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:50:59,438 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:50:59,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2024-12-06 04:51:02,064 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/data/9a10b647c/6a99dafa062e45fcb815286a5b2425e5/FLAG1d55a10b3 [2024-12-06 04:51:02,292 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:51:02,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2024-12-06 04:51:02,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/data/9a10b647c/6a99dafa062e45fcb815286a5b2425e5/FLAG1d55a10b3 [2024-12-06 04:51:02,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/data/9a10b647c/6a99dafa062e45fcb815286a5b2425e5 [2024-12-06 04:51:02,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:51:02,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:51:02,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:51:02,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:51:02,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:51:02,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715f7ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02, skipping insertion in model container [2024-12-06 04:51:02,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:51:02,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:51:02,629 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:51:02,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:51:02,714 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:51:02,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02 WrapperNode [2024-12-06 04:51:02,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:51:02,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:51:02,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:51:02,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:51:02,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,751 INFO L138 Inliner]: procedures = 164, calls = 68, calls flagged for inlining = 29, calls inlined = 4, statements flattened = 25 [2024-12-06 04:51:02,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:51:02,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:51:02,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:51:02,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:51:02,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,771 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:51:02,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:51:02,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:51:02,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:51:02,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:02" (1/1) ... [2024-12-06 04:51:02,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:51:02,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:51:02,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:51:02,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:51:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:51:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:51:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 04:51:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:51:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:51:02,917 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:51:02,918 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:51:02,973 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 04:51:02,973 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:51:03,017 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:51:03,017 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:51:03,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:51:03 BoogieIcfgContainer [2024-12-06 04:51:03,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:51:03,018 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:51:03,018 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:51:03,026 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:51:03,026 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:51:03" (1/1) ... [2024-12-06 04:51:03,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:51:03,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:03,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 04:51:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 04:51:03,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 04:51:03,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:03,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:51:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:51:03,147 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:51:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:51:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:51:03,195 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:51:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:51:03,211 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:51:03,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:51:03 ImpRootNode [2024-12-06 04:51:03,227 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:51:03,228 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:51:03,228 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:51:03,228 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:51:03,229 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:51:03" (3/4) ... [2024-12-06 04:51:03,231 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:51:03,232 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:51:03,233 INFO L158 Benchmark]: Toolchain (without parser) took 912.08ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 67.7MB in the end (delta: 48.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 04:51:03,233 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:03,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.11ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 94.0MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:51:03,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.66ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 92.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:03,234 INFO L158 Benchmark]: Boogie Preprocessor took 25.20ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 91.5MB in the end (delta: 804.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:03,234 INFO L158 Benchmark]: RCFGBuilder took 239.37ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 79.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:51:03,235 INFO L158 Benchmark]: CodeCheck took 209.25ms. Allocated memory is still 142.6MB. Free memory was 79.2MB in the beginning and 67.9MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:51:03,235 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 67.7MB in the end (delta: 190.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:03,237 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: 760]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 760. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] CALL entry_point() [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 entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.11ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 94.0MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.66ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 92.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.20ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 91.5MB in the end (delta: 804.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 239.37ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 79.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 209.25ms. Allocated memory is still 142.6MB. Free memory was 79.2MB in the beginning and 67.9MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 67.7MB in the end (delta: 190.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:51:03,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/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_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/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_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/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_965aac34-abc0-456f-b9b3-862d7f144095/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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:51:05,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:51:05,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 04:51:05,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:51:05,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:51:05,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:51:05,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:51:05,283 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:51:05,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:51:05,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:51:05,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:51:05,284 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:51:05,284 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:51:05,284 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:51:05,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:51:05,284 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:51:05,284 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:51:05,284 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:51:05,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:51:05,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:51:05,285 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:51:05,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:51:05,285 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:51:05,285 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:51:05,285 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:51:05,285 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:05,285 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:51:05,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:51:05,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:51:05,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:51:05,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:51:05,286 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:51:05,286 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:05,286 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:51:05,286 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_965aac34-abc0-456f-b9b3-862d7f144095/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 -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2024-12-06 04:51:05,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:51:05,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:51:05,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:51:05,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:51:05,513 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:51:05,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2024-12-06 04:51:08,232 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/data/78b65424e/04a04f5f460b47e09d115cbc3887a887/FLAG68d9ea50b [2024-12-06 04:51:08,460 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:51:08,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2024-12-06 04:51:08,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/data/78b65424e/04a04f5f460b47e09d115cbc3887a887/FLAG68d9ea50b [2024-12-06 04:51:08,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/data/78b65424e/04a04f5f460b47e09d115cbc3887a887 [2024-12-06 04:51:08,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:51:08,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:51:08,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:51:08,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:51:08,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:51:08,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:08,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a89a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08, skipping insertion in model container [2024-12-06 04:51:08,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:08,519 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:51:08,745 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 04:51:08,787 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 04:51:08,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:51:08,803 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 04:51:08,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:51:08,836 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 04:51:08,856 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 04:51:08,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:51:08,862 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:51:08,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:51:08,940 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:51:08,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08 WrapperNode [2024-12-06 04:51:08,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:51:08,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:51:08,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:51:08,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:51:08,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:08,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:08,977 INFO L138 Inliner]: procedures = 165, calls = 68, calls flagged for inlining = 29, calls inlined = 4, statements flattened = 25 [2024-12-06 04:51:08,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:51:08,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:51:08,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:51:08,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:51:08,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:08,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:08,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:08,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:08,998 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:08,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:09,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:09,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:09,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:09,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:51:09,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:51:09,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:51:09,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:51:09,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:08" (1/1) ... [2024-12-06 04:51:09,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:51:09,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:51:09,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:51:09,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:51:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:51:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:51:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 04:51:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:51:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:51:09,133 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:51:09,134 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:51:09,191 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 04:51:09,191 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:51:09,243 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:51:09,243 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:51:09,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:51:09 BoogieIcfgContainer [2024-12-06 04:51:09,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:51:09,245 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:51:09,245 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:51:09,252 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:51:09,252 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:51:09" (1/1) ... [2024-12-06 04:51:09,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:51:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 04:51:09,300 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 04:51:09,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 04:51:09,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:09,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:09,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:09,304 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:09,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:51:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:51:09,385 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:51:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:51:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:51:09,439 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:51:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:51:09,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:51:09,459 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:51:09,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:51:09 ImpRootNode [2024-12-06 04:51:09,476 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:51:09,476 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:51:09,476 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:51:09,477 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:51:09,477 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:51:09" (3/4) ... [2024-12-06 04:51:09,479 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:51:09,480 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:51:09,481 INFO L158 Benchmark]: Toolchain (without parser) took 995.14ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 45.3MB in the end (delta: 23.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-12-06 04:51:09,481 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:09,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.28ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 41.3MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:51:09,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.13ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 39.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:09,483 INFO L158 Benchmark]: Boogie Preprocessor took 24.65ms. Allocated memory is still 92.3MB. Free memory was 39.4MB in the beginning and 69.1MB in the end (delta: -29.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-12-06 04:51:09,483 INFO L158 Benchmark]: RCFGBuilder took 240.28ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 55.9MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:51:09,483 INFO L158 Benchmark]: CodeCheck took 231.20ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 45.7MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:51:09,484 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 92.3MB. Free memory was 45.7MB in the beginning and 45.3MB in the end (delta: 321.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:09,486 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: 760]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 760. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] CALL entry_point() [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 entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.28ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 41.3MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.13ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 39.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.65ms. Allocated memory is still 92.3MB. Free memory was 39.4MB in the beginning and 69.1MB in the end (delta: -29.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * RCFGBuilder took 240.28ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 55.9MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 231.20ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 45.7MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 92.3MB. Free memory was 45.7MB in the beginning and 45.3MB in the end (delta: 321.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:51:09,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965aac34-abc0-456f-b9b3-862d7f144095/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