./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_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_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/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_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/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_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/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 e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:56:30,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:56:30,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 01:56:30,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:56:30,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:56:30,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:56:30,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:56:30,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:56:30,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:56:30,123 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:56:30,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:56:30,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:56:30,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:56:30,123 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 01:56:30,123 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 01:56:30,123 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 01:56:30,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:56:30,124 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:56:30,124 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:56:30,124 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:56:30,124 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:56:30,124 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:56:30,124 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:56:30,124 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:56:30,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:56:30,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:56:30,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:56:30,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:56:30,125 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:56:30,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:56:30,125 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_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/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 -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2024-12-06 01:56:30,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:56:30,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:56:30,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:56:30,336 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:56:30,337 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:56:30,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2024-12-06 01:56:33,217 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/data/a791768f6/a523fda40d2f4ac3bcb984822215ed26/FLAG451e625b1 [2024-12-06 01:56:33,512 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:56:33,513 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2024-12-06 01:56:33,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/data/a791768f6/a523fda40d2f4ac3bcb984822215ed26/FLAG451e625b1 [2024-12-06 01:56:33,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/data/a791768f6/a523fda40d2f4ac3bcb984822215ed26 [2024-12-06 01:56:33,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:56:33,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:56:33,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:56:33,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:56:33,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:56:33,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:56:33" (1/1) ... [2024-12-06 01:56:33,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ea6840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:33, skipping insertion in model container [2024-12-06 01:56:33,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:56:33" (1/1) ... [2024-12-06 01:56:33,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:56:34,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:56:34,219 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:56:34,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:56:34,333 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:56:34,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:34 WrapperNode [2024-12-06 01:56:34,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:56:34,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:56:34,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:56:34,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:56:34,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:34" (1/1) ... [2024-12-06 01:56:34,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:34" (1/1) ... [2024-12-06 01:56:34,376 INFO L138 Inliner]: procedures = 166, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 39 [2024-12-06 01:56:34,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:56:34,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:56:34,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:56:34,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:56:34,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:34" (1/1) ... [2024-12-06 01:56:34,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:34" (1/1) ... [2024-12-06 01:56:34,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:34" (1/1) ... [2024-12-06 01:56:34,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:34" (1/1) ... [2024-12-06 01:56:34,395 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:34" (1/1) ... [2024-12-06 01:56:34,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:34" (1/1) ... [2024-12-06 01:56:34,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:34" (1/1) ... [2024-12-06 01:56:34,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:34" (1/1) ... [2024-12-06 01:56:34,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:34" (1/1) ... [2024-12-06 01:56:34,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:56:34,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:56:34,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:56:34,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:56:34,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:34" (1/1) ... [2024-12-06 01:56:34,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:56:34,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:56:34,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:56:34,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:56:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:56:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:56:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:56:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 01:56:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:56:34,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:56:34,570 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:56:34,571 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:56:34,671 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 01:56:34,671 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:56:34,719 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:56:34,719 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:56:34,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:56:34 BoogieIcfgContainer [2024-12-06 01:56:34,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:56:34,720 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:56:34,720 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:56:34,729 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:56:34,730 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:56:34" (1/1) ... [2024-12-06 01:56:34,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:56:34,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:34,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:56:34,786 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:56:34,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 01:56:34,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:34,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:56:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:34,966 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 01:56:35,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2024-12-06 01:56:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-12-06 01:56:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:56:35,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:35,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:56:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:56:35,030 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:56:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:56:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:56:35,105 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:56:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:56:35,125 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:56:35,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:56:35 ImpRootNode [2024-12-06 01:56:35,153 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:56:35,153 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:56:35,153 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:56:35,154 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:56:35,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:56:34" (3/4) ... [2024-12-06 01:56:35,157 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:56:35,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:56:35,160 INFO L158 Benchmark]: Toolchain (without parser) took 1374.81ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 87.9MB in the end (delta: 3.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-12-06 01:56:35,160 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:56:35,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.83ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 68.7MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:56:35,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.42ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 67.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:56:35,161 INFO L158 Benchmark]: Boogie Preprocessor took 24.29ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 66.1MB in the end (delta: 931.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:56:35,162 INFO L158 Benchmark]: RCFGBuilder took 318.04ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 53.0MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:56:35,162 INFO L158 Benchmark]: CodeCheck took 432.66ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 88.0MB in the end (delta: -35.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:56:35,163 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 87.9MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:56:35,165 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, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 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, 4 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: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; [L773] CALL entry_point() [L766] CALL, EXPR probe_9_2() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] return - -3; [L766] RET, EXPR probe_9_2() [L766] int ret = probe_9_2(); [L767] COND FALSE !(ret==0) VAL [a9={29405:0}, ldv_global_msg_list={1:0}] [L770] a9 = 0 [L773] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.83ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 68.7MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.42ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 67.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.29ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 66.1MB in the end (delta: 931.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 318.04ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 53.0MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 432.66ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 88.0MB in the end (delta: -35.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 87.9MB in the end (delta: 21.1kB). 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 01:56:35,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/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_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/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_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/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_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/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 e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:56:37,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:56:37,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 01:56:37,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:56:37,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:56:37,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:56:37,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:56:37,221 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:56:37,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:56:37,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:56:37,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:56:37,221 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 01:56:37,221 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 01:56:37,221 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 01:56:37,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:56:37,222 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:56:37,222 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:56:37,222 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:56:37,222 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:56:37,222 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:56:37,222 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:56:37,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:56:37,222 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:56:37,222 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:56:37,223 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:56:37,223 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:37,223 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:56:37,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:56:37,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:56:37,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:56:37,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:56:37,223 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:56:37,223 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:37,223 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:56:37,224 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_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/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 -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2024-12-06 01:56:37,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:56:37,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:56:37,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:56:37,465 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:56:37,465 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:56:37,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2024-12-06 01:56:40,488 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/data/ddd0694bf/d6ad12583aad4f5e8316c677a5e9caa1/FLAG3b158ba25 [2024-12-06 01:56:40,800 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:56:40,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2024-12-06 01:56:40,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/data/ddd0694bf/d6ad12583aad4f5e8316c677a5e9caa1/FLAG3b158ba25 [2024-12-06 01:56:40,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/data/ddd0694bf/d6ad12583aad4f5e8316c677a5e9caa1 [2024-12-06 01:56:40,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:56:40,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:56:40,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:56:40,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:56:40,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:56:40,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:56:40" (1/1) ... [2024-12-06 01:56:40,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd99594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:40, skipping insertion in model container [2024-12-06 01:56:40,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:56:40" (1/1) ... [2024-12-06 01:56:40,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:56:41,185 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 01:56:41,244 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 01:56:41,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:56:41,271 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 01:56:41,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:56:41,314 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 01:56:41,340 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 01:56:41,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:56:41,351 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:56:41,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:56:41,466 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:56:41,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:41 WrapperNode [2024-12-06 01:56:41,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:56:41,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:56:41,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:56:41,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:56:41,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:41" (1/1) ... [2024-12-06 01:56:41,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:41" (1/1) ... [2024-12-06 01:56:41,525 INFO L138 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 38 [2024-12-06 01:56:41,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:56:41,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:56:41,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:56:41,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:56:41,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:41" (1/1) ... [2024-12-06 01:56:41,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:41" (1/1) ... [2024-12-06 01:56:41,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:41" (1/1) ... [2024-12-06 01:56:41,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:41" (1/1) ... [2024-12-06 01:56:41,544 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:41" (1/1) ... [2024-12-06 01:56:41,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:41" (1/1) ... [2024-12-06 01:56:41,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:41" (1/1) ... [2024-12-06 01:56:41,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:41" (1/1) ... [2024-12-06 01:56:41,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:41" (1/1) ... [2024-12-06 01:56:41,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:56:41,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:56:41,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:56:41,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:56:41,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:41" (1/1) ... [2024-12-06 01:56:41,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:56:41,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:56:41,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:56:41,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:56:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:56:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:56:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:56:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 01:56:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:56:41,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:56:41,752 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:56:41,753 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:56:41,867 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 01:56:41,868 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:56:41,942 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:56:41,943 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:56:41,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:56:41 BoogieIcfgContainer [2024-12-06 01:56:41,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:56:41,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:56:41,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:56:41,956 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:56:41,957 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:56:41" (1/1) ... [2024-12-06 01:56:41,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:56:42,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:42,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:56:42,019 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:56:42,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 01:56:42,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:42,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:42,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:56:42,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:56:42,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:56:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:42,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:56:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:42,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:56:42,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:56:42,264 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 01:56:42,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-06 01:56:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:42,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 01:56:42,298 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 01:56:42,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:56:42,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:42,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:42,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:56:42,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:56:42,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:56:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:56:42,403 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:56:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:56:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:56:42,472 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:56:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:56:42,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:56:42,500 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:56:42,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:56:42 ImpRootNode [2024-12-06 01:56:42,527 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:56:42,528 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:56:42,528 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:56:42,528 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:56:42,529 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:56:41" (3/4) ... [2024-12-06 01:56:42,532 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:56:42,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:56:42,534 INFO L158 Benchmark]: Toolchain (without parser) took 1692.98ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 28.7MB in the end (delta: 38.6MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-12-06 01:56:42,534 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:56:42,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.50ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 39.8MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:56:42,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.52ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 68.3MB in the end (delta: -28.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-12-06 01:56:42,536 INFO L158 Benchmark]: Boogie Preprocessor took 26.83ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 67.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:56:42,536 INFO L158 Benchmark]: RCFGBuilder took 390.11ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 51.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:56:42,536 INFO L158 Benchmark]: CodeCheck took 583.34ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 29.0MB in the end (delta: 22.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:56:42,537 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 92.3MB. Free memory is still 28.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:56:42,539 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, 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, 20 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: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; [L773] CALL entry_point() [L766] CALL, EXPR probe_9_2() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] return - -3; [L766] RET, EXPR probe_9_2() [L766] int ret = probe_9_2(); [L767] COND FALSE !(ret==0) VAL [a9={2:0}, ldv_global_msg_list={1:0}] [L770] a9 = 0 [L773] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 625.50ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 39.8MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.52ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 68.3MB in the end (delta: -28.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.83ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 67.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 390.11ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 51.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 583.34ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 29.0MB in the end (delta: 22.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 92.3MB. Free memory is still 28.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:56:42,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb22785f-6ca5-44f9-ad07-49afd3cd2ea0/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