./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_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/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_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/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_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/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 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:25:34,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:25:34,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 01:25:34,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:25:34,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:25:34,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:25:34,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:25:34,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:25:34,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:25:34,760 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:25:34,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:25:34,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:25:34,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:25:34,761 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 01:25:34,761 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 01:25:34,761 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 01:25:34,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:25:34,761 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:25:34,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:25:34,761 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:25:34,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:25:34,762 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:25:34,762 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:25:34,762 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:25:34,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:25:34,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:25:34,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:25:34,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:25:34,762 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:25:34,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:25:34,763 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_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/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 -> 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 [2024-12-06 01:25:34,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:25:35,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:25:35,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:25:35,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:25:35,006 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:25:35,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2024-12-06 01:25:37,600 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/data/a7dace6f0/97198d3178234887b17824b160eec7bc/FLAGed6bae851 [2024-12-06 01:25:37,841 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:25:37,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2024-12-06 01:25:37,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/data/a7dace6f0/97198d3178234887b17824b160eec7bc/FLAGed6bae851 [2024-12-06 01:25:37,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/data/a7dace6f0/97198d3178234887b17824b160eec7bc [2024-12-06 01:25:37,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:25:37,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:25:37,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:25:37,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:25:37,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:25:37,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:25:37" (1/1) ... [2024-12-06 01:25:37,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24cba8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:37, skipping insertion in model container [2024-12-06 01:25:37,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:25:37" (1/1) ... [2024-12-06 01:25:37,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:25:38,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:25:38,187 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:25:38,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:25:38,272 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:25:38,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:38 WrapperNode [2024-12-06 01:25:38,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:25:38,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:25:38,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:25:38,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:25:38,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:38" (1/1) ... [2024-12-06 01:25:38,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:38" (1/1) ... [2024-12-06 01:25:38,301 INFO L138 Inliner]: procedures = 166, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 43 [2024-12-06 01:25:38,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:25:38,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:25:38,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:25:38,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:25:38,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:38" (1/1) ... [2024-12-06 01:25:38,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:38" (1/1) ... [2024-12-06 01:25:38,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:38" (1/1) ... [2024-12-06 01:25:38,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:38" (1/1) ... [2024-12-06 01:25:38,312 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:38" (1/1) ... [2024-12-06 01:25:38,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:38" (1/1) ... [2024-12-06 01:25:38,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:38" (1/1) ... [2024-12-06 01:25:38,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:38" (1/1) ... [2024-12-06 01:25:38,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:38" (1/1) ... [2024-12-06 01:25:38,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:25:38,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:25:38,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:25:38,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:25:38,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:38" (1/1) ... [2024-12-06 01:25:38,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:25:38,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:25:38,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:25:38,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:25:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:25:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:25:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:25:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 01:25:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:25:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:25:38,447 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:25:38,448 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:25:38,534 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 01:25:38,534 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:25:38,582 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:25:38,582 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:25:38,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:38 BoogieIcfgContainer [2024-12-06 01:25:38,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:25:38,583 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:25:38,583 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:25:38,592 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:25:38,593 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:38" (1/1) ... [2024-12-06 01:25:38,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:25:38,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:38,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:25:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:25:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 01:25:38,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:38,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:25:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:38,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:25:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 01:25:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 01:25:38,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:25:38,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:38,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:25:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:38,861 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:25:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:38,908 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:25:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:38,930 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:25:38,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:25:38 ImpRootNode [2024-12-06 01:25:38,952 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:25:38,953 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:25:38,953 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:25:38,953 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:25:38,953 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:38" (3/4) ... [2024-12-06 01:25:38,956 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:25:38,956 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:25:38,957 INFO L158 Benchmark]: Toolchain (without parser) took 1091.37ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 57.5MB in the end (delta: 58.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 01:25:38,957 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:38,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.60ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 93.6MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:25:38,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.09ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 91.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:38,959 INFO L158 Benchmark]: Boogie Preprocessor took 14.63ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 90.9MB in the end (delta: 992.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:38,959 INFO L158 Benchmark]: RCFGBuilder took 265.69ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 76.3MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:25:38,959 INFO L158 Benchmark]: CodeCheck took 369.02ms. Allocated memory is still 142.6MB. Free memory was 76.3MB in the beginning and 57.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:25:38,960 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 57.9MB in the beginning and 57.5MB in the end (delta: 371.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:38,962 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: 0.3s, 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: 0.0s SsaConstructionTime, 0.0s 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 0.18ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.60ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 93.6MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.09ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 91.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.63ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 90.9MB in the end (delta: 992.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 265.69ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 76.3MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 369.02ms. Allocated memory is still 142.6MB. Free memory was 76.3MB in the beginning and 57.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 57.9MB in the beginning and 57.5MB in the end (delta: 371.4kB). 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 01:25:38,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/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_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/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_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/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_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/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 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:25:40,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:25:40,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 01:25:40,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:25:40,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:25:40,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:25:40,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:25:40,977 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:25:40,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:25:40,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:25:40,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:25:40,978 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 01:25:40,978 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 01:25:40,978 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 01:25:40,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:25:40,978 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:25:40,978 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:25:40,978 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:25:40,979 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:25:40,979 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:25:40,979 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:25:40,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:25:40,979 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:25:40,979 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:25:40,979 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:25:40,979 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:40,979 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:25:40,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:25:40,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:25:40,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:25:40,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:25:40,980 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:25:40,980 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:40,980 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:25:40,980 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_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/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 -> 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 [2024-12-06 01:25:41,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:25:41,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:25:41,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:25:41,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:25:41,226 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:25:41,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2024-12-06 01:25:43,957 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/data/2a05decc3/a1f6d080a4914d09b0ed12b1346417ce/FLAGdf4537ed8 [2024-12-06 01:25:44,196 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:25:44,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2024-12-06 01:25:44,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/data/2a05decc3/a1f6d080a4914d09b0ed12b1346417ce/FLAGdf4537ed8 [2024-12-06 01:25:44,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/data/2a05decc3/a1f6d080a4914d09b0ed12b1346417ce [2024-12-06 01:25:44,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:25:44,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:25:44,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:25:44,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:25:44,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:25:44,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51aed66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44, skipping insertion in model container [2024-12-06 01:25:44,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:25:44,470 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 01:25:44,511 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 01:25:44,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:25:44,530 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 01:25:44,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:25:44,563 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 01:25:44,582 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 01:25:44,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:25:44,589 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:25:44,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:25:44,664 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:25:44,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44 WrapperNode [2024-12-06 01:25:44,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:25:44,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:25:44,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:25:44,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:25:44,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,707 INFO L138 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 42 [2024-12-06 01:25:44,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:25:44,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:25:44,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:25:44,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:25:44,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,721 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:25:44,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:25:44,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:25:44,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:25:44,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:44" (1/1) ... [2024-12-06 01:25:44,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:25:44,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:25:44,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:25:44,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:25:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:25:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:25:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:25:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 01:25:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:25:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:25:44,861 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:25:44,863 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:25:44,964 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 01:25:44,964 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:25:45,020 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:25:45,020 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:25:45,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:45 BoogieIcfgContainer [2024-12-06 01:25:45,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:25:45,021 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:25:45,021 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:25:45,030 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:25:45,030 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:45" (1/1) ... [2024-12-06 01:25:45,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:25:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:25:45,079 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:25:45,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 01:25:45,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:45,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:45,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:25:45,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:25:45,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:25:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:45,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:25:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:45,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:25:45,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:25:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:25:45,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:25:45,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:45,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 01:25:45,298 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 01:25:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:25:45,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:45,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:45,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:25:45,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:25:45,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:25:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:45,392 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:25:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:45,447 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:25:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:45,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:25:45,471 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:25:45,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:25:45 ImpRootNode [2024-12-06 01:25:45,491 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:25:45,491 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:25:45,491 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:25:45,491 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:25:45,492 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:45" (3/4) ... [2024-12-06 01:25:45,494 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:25:45,495 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:25:45,496 INFO L158 Benchmark]: Toolchain (without parser) took 1270.68ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 29.3MB in the end (delta: 38.8MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-12-06 01:25:45,496 INFO L158 Benchmark]: CDTParser took 0.29ms. 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 01:25:45,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.88ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 40.5MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:25:45,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.64ms. Allocated memory is still 92.3MB. Free memory was 40.5MB in the beginning and 68.6MB in the end (delta: -28.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 01:25:45,497 INFO L158 Benchmark]: Boogie Preprocessor took 20.16ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 67.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:45,497 INFO L158 Benchmark]: RCFGBuilder took 292.17ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 51.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:25:45,497 INFO L158 Benchmark]: CodeCheck took 469.76ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 29.6MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:25:45,498 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 92.3MB. Free memory is still 29.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:45,499 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: 0.4s, 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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.88ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 40.5MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.64ms. Allocated memory is still 92.3MB. Free memory was 40.5MB in the beginning and 68.6MB in the end (delta: -28.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.16ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 67.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.17ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 51.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 469.76ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 29.6MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 92.3MB. Free memory is still 29.3MB. 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 01:25:45,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c995e6-4c08-482c-b44a-8a0ffa1cdea9/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