./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_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_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/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_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/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_72d6a6f7-8b83-490d-b391-469e97db34e5/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 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:27:09,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:27:09,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 02:27:09,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:27:09,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:27:09,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:27:09,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:27:09,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:27:09,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:27:09,854 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:27:09,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:27:09,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:27:09,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:27:09,855 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 02:27:09,855 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 02:27:09,855 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 02:27:09,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:27:09,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:27:09,857 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:27:09,857 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:27:09,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:27:09,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:27:09,857 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:27:09,858 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:27:09,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:27:09,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:27:09,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:27:09,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:27:09,858 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:27:09,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:27:09,859 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_72d6a6f7-8b83-490d-b391-469e97db34e5/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 -> 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 [2024-11-25 02:27:10,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:27:10,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:27:10,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:27:10,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:27:10,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:27:10,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2024-11-25 02:27:13,291 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/data/5704303ef/2aa54f426af94628b83a5a71565974b7/FLAG488e30577 [2024-11-25 02:27:13,714 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:27:13,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2024-11-25 02:27:13,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/data/5704303ef/2aa54f426af94628b83a5a71565974b7/FLAG488e30577 [2024-11-25 02:27:13,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/data/5704303ef/2aa54f426af94628b83a5a71565974b7 [2024-11-25 02:27:13,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:27:13,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:27:13,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:27:13,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:27:13,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:27:13,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:27:13" (1/1) ... [2024-11-25 02:27:13,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8fe593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:13, skipping insertion in model container [2024-11-25 02:27:13,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:27:13" (1/1) ... [2024-11-25 02:27:13,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:27:14,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:14,191 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:27:14,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:14,309 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:27:14,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:14 WrapperNode [2024-11-25 02:27:14,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:27:14,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:14,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:27:14,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:27:14,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:14" (1/1) ... [2024-11-25 02:27:14,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:14" (1/1) ... [2024-11-25 02:27:14,386 INFO L138 Inliner]: procedures = 166, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 43 [2024-11-25 02:27:14,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:14,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:27:14,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:27:14,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:27:14,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:14" (1/1) ... [2024-11-25 02:27:14,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:14" (1/1) ... [2024-11-25 02:27:14,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:14" (1/1) ... [2024-11-25 02:27:14,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:14" (1/1) ... [2024-11-25 02:27:14,404 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:14" (1/1) ... [2024-11-25 02:27:14,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:14" (1/1) ... [2024-11-25 02:27:14,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:14" (1/1) ... [2024-11-25 02:27:14,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:14" (1/1) ... [2024-11-25 02:27:14,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:14" (1/1) ... [2024-11-25 02:27:14,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:27:14,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:27:14,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:27:14,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:27:14,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:14" (1/1) ... [2024-11-25 02:27:14,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:27:14,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:27:14,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:27:14,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:27:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 02:27:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:27:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:27:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 02:27:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:27:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:27:14,638 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:27:14,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:27:14,800 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-25 02:27:14,800 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:27:14,894 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:27:14,894 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:27:14,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:14 BoogieIcfgContainer [2024-11-25 02:27:14,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:27:14,895 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:27:14,895 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:27:14,907 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:27:14,908 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:14" (1/1) ... [2024-11-25 02:27:14,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:27:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 02:27:14,980 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 02:27:14,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:27:14,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:14,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:15,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:15,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-25 02:27:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-25 02:27:15,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:27:15,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:15,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:27:15,266 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:27:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:27:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:27:15,376 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:27:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:27:15,418 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:27:15,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:27:15 ImpRootNode [2024-11-25 02:27:15,448 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:27:15,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:27:15,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:27:15,449 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:27:15,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:14" (3/4) ... [2024-11-25 02:27:15,451 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:27:15,452 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:27:15,453 INFO L158 Benchmark]: Toolchain (without parser) took 1698.97ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 87.5MB in the end (delta: 5.6MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-11-25 02:27:15,453 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:15,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.26ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 71.0MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:27:15,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.02ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:15,454 INFO L158 Benchmark]: Boogie Preprocessor took 28.50ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 68.2MB in the end (delta: 711.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:15,455 INFO L158 Benchmark]: RCFGBuilder took 478.62ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 53.5MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:27:15,455 INFO L158 Benchmark]: CodeCheck took 552.84ms. Allocated memory is still 117.4MB. Free memory was 53.5MB in the beginning and 87.6MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:15,456 INFO L158 Benchmark]: Witness Printer took 3.59ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 87.5MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:15,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 774]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 774. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L775] CALL entry_point() [L770] int condition = __VERIFIER_nondet_int(); [L771] CALL, EXPR alloc_unsafe_16(condition) [L761] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L761] RET, EXPR ldv_malloc(sizeof(struct A16)) [L761] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L762] return p; [L771] RET, EXPR alloc_unsafe_16(condition) [L771] struct A16 *p = alloc_unsafe_16(condition); [L772] CALL free_16(p, condition) [L765] COND FALSE !(\read(condition)) VAL [ldv_global_msg_list={1:0}, p={-1:0}] [L772] RET free_16(p, condition) [L775] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.26ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 71.0MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.02ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.50ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 68.2MB in the end (delta: 711.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 478.62ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 53.5MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 552.84ms. Allocated memory is still 117.4MB. Free memory was 53.5MB in the beginning and 87.6MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.59ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 87.5MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:27:15,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/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_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/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_72d6a6f7-8b83-490d-b391-469e97db34e5/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 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:27:18,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:27:18,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-25 02:27:18,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:27:18,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:27:18,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:27:18,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:27:18,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:27:18,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:27:18,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:27:18,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:27:18,808 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 02:27:18,808 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 02:27:18,808 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 02:27:18,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:27:18,809 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:27:18,809 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:27:18,809 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:27:18,809 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:27:18,809 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:27:18,809 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:27:18,809 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:27:18,809 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:27:18,809 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:27:18,810 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:27:18,810 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:27:18,810 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:27:18,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:27:18,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:27:18,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:27:18,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:27:18,811 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:27:18,811 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:27:18,811 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:27:18,812 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_72d6a6f7-8b83-490d-b391-469e97db34e5/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 -> 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 [2024-11-25 02:27:19,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:27:19,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:27:19,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:27:19,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:27:19,229 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:27:19,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2024-11-25 02:27:22,317 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/data/02eb9d9ee/7868de632e274aa89e1dfcec29ea660b/FLAG5aaf53085 [2024-11-25 02:27:22,759 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:27:22,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2024-11-25 02:27:22,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/data/02eb9d9ee/7868de632e274aa89e1dfcec29ea660b/FLAG5aaf53085 [2024-11-25 02:27:22,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/data/02eb9d9ee/7868de632e274aa89e1dfcec29ea660b [2024-11-25 02:27:22,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:27:22,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:27:22,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:27:22,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:27:22,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:27:22,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:27:22" (1/1) ... [2024-11-25 02:27:22,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ef3348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:22, skipping insertion in model container [2024-11-25 02:27:22,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:27:22" (1/1) ... [2024-11-25 02:27:22,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:27:23,349 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 02:27:23,425 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 02:27:23,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:23,458 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-25 02:27:23,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:27:23,542 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 02:27:23,587 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 02:27:23,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:23,608 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:27:23,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:23,765 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:27:23,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23 WrapperNode [2024-11-25 02:27:23,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:27:23,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:23,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:27:23,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:27:23,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,843 INFO L138 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 42 [2024-11-25 02:27:23,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:23,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:27:23,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:27:23,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:27:23,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,870 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:27:23,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:27:23,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:27:23,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:27:23,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:27:23,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:27:23,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:27:23,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:27:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 02:27:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:27:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:27:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 02:27:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:27:23,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:27:24,121 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:27:24,123 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:27:24,291 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-25 02:27:24,291 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:27:24,363 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:27:24,363 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:27:24,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:24 BoogieIcfgContainer [2024-11-25 02:27:24,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:27:24,364 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:27:24,365 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:27:24,376 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:27:24,376 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:24" (1/1) ... [2024-11-25 02:27:24,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:27:24,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 02:27:24,441 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 02:27:24,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:27:24,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:24,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:27:24,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:27:24,446 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:27:24,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:27:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:24,561 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:27:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:24,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:27:24,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:24,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:27:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-25 02:27:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-25 02:27:24,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:27:24,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:24,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:27:24,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:27:24,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:27:24,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:27:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:27:24,924 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:27:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:27:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:27:25,009 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:27:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:27:25,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:27:25,050 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:27:25,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:27:25 ImpRootNode [2024-11-25 02:27:25,079 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:27:25,079 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:27:25,079 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:27:25,080 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:27:25,081 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:24" (3/4) ... [2024-11-25 02:27:25,083 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:27:25,084 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:27:25,088 INFO L158 Benchmark]: Toolchain (without parser) took 2175.91ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 27.6MB in the end (delta: 31.5MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-25 02:27:25,088 INFO L158 Benchmark]: CDTParser took 3.53ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:25,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 856.48ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 31.5MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:27:25,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.25ms. Allocated memory is still 83.9MB. Free memory was 31.5MB in the beginning and 29.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:27:25,089 INFO L158 Benchmark]: Boogie Preprocessor took 49.36ms. Allocated memory is still 83.9MB. Free memory was 29.4MB in the beginning and 28.5MB in the end (delta: 884.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:25,090 INFO L158 Benchmark]: RCFGBuilder took 468.57ms. Allocated memory is still 83.9MB. Free memory was 28.5MB in the beginning and 49.7MB in the end (delta: -21.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-25 02:27:25,093 INFO L158 Benchmark]: CodeCheck took 714.14ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 28.1MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:27:25,093 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 83.9MB. Free memory was 28.1MB in the beginning and 27.6MB in the end (delta: 522.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:25,095 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 4 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 774]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 774. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L775] CALL entry_point() [L770] int condition = __VERIFIER_nondet_int(); [L771] CALL, EXPR alloc_unsafe_16(condition) [L761] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L761] RET, EXPR ldv_malloc(sizeof(struct A16)) [L761] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L762] return p; [L771] RET, EXPR alloc_unsafe_16(condition) [L771] struct A16 *p = alloc_unsafe_16(condition); [L772] CALL free_16(p, condition) [L765] COND FALSE !(\read(condition)) VAL [ldv_global_msg_list={1:0}, p={2:0}] [L772] RET free_16(p, condition) [L775] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.53ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 856.48ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 31.5MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.25ms. Allocated memory is still 83.9MB. Free memory was 31.5MB in the beginning and 29.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.36ms. Allocated memory is still 83.9MB. Free memory was 29.4MB in the beginning and 28.5MB in the end (delta: 884.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.57ms. Allocated memory is still 83.9MB. Free memory was 28.5MB in the beginning and 49.7MB in the end (delta: -21.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * CodeCheck took 714.14ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 28.1MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 83.9MB. Free memory was 28.1MB in the beginning and 27.6MB in the end (delta: 522.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:27:25,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d6a6f7-8b83-490d-b391-469e97db34e5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample