./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.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_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/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_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/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_bb518311-95dc-4f5e-bc2c-f30e83385ab4/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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:26:29,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:26:29,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 01:26:29,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:26:29,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:26:29,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:26:29,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:26:29,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:26:29,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:26:29,701 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:26:29,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:26:29,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:26:29,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:26:29,701 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 01:26:29,701 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 01:26:29,701 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 01:26:29,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:26:29,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:26:29,702 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:26:29,702 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:26:29,702 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:26:29,702 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:26:29,702 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:26:29,702 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:26:29,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:26:29,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:26:29,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:26:29,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:26:29,703 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:26:29,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:26:29,703 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_bb518311-95dc-4f5e-bc2c-f30e83385ab4/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 -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2024-12-06 01:26:29,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:26:29,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:26:29,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:26:29,937 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:26:29,937 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:26:29,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2024-12-06 01:26:32,520 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/data/2a4cb45c1/9edeb0e8aaa24381968287071881ed1e/FLAG12a810d9d [2024-12-06 01:26:32,763 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:26:32,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2024-12-06 01:26:32,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/data/2a4cb45c1/9edeb0e8aaa24381968287071881ed1e/FLAG12a810d9d [2024-12-06 01:26:33,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/data/2a4cb45c1/9edeb0e8aaa24381968287071881ed1e [2024-12-06 01:26:33,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:26:33,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:26:33,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:26:33,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:26:33,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:26:33,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc6bb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33, skipping insertion in model container [2024-12-06 01:26:33,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:26:33,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:26:33,400 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:26:33,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:26:33,480 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:26:33,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33 WrapperNode [2024-12-06 01:26:33,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:26:33,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:26:33,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:26:33,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:26:33,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,515 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 35 [2024-12-06 01:26:33,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:26:33,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:26:33,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:26:33,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:26:33,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,526 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:26:33,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:26:33,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:26:33,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:26:33,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:26:33,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:26:33,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:26:33,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:26:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:26:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:26:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 01:26:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:26:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:26:33,655 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:26:33,657 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:26:33,719 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:26:33,719 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:26:33,774 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:26:33,774 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:26:33,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:26:33 BoogieIcfgContainer [2024-12-06 01:26:33,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:26:33,775 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:26:33,775 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:26:33,785 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:26:33,785 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:26:33" (1/1) ... [2024-12-06 01:26:33,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:26:33,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 01:26:33,841 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 01:26:33,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 01:26:33,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:33,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:26:33,924 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:26:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:26:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:26:33,979 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:26:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:26:34,000 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:26:34,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:26:34 ImpRootNode [2024-12-06 01:26:34,018 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:26:34,019 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:26:34,019 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:26:34,019 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:26:34,019 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:26:33" (3/4) ... [2024-12-06 01:26:34,022 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:26:34,022 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:26:34,023 INFO L158 Benchmark]: Toolchain (without parser) took 922.99ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 40.9MB in the end (delta: 51.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 01:26:34,024 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:26:34,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.01ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 70.0MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:26:34,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.42ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 68.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:26:34,025 INFO L158 Benchmark]: Boogie Preprocessor took 15.88ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 67.6MB in the end (delta: 777.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:26:34,025 INFO L158 Benchmark]: RCFGBuilder took 242.50ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 53.5MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:26:34,026 INFO L158 Benchmark]: CodeCheck took 243.03ms. Allocated memory is still 117.4MB. Free memory was 53.3MB in the beginning and 41.3MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:26:34,026 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 117.4MB. Free memory was 41.1MB in the beginning and 40.9MB in the end (delta: 190.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:26:34,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; [L770] CALL entry_point() [L766] CALL probe_9() [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] COND TRUE \read(*a9) [L761] return 0; [L766] RET probe_9() [L767] a9 = 0 [L770] 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 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.01ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 70.0MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.42ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 68.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.88ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 67.6MB in the end (delta: 777.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 242.50ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 53.5MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 243.03ms. Allocated memory is still 117.4MB. Free memory was 53.3MB in the beginning and 41.3MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 117.4MB. Free memory was 41.1MB in the beginning and 40.9MB in the end (delta: 190.4kB). 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 01:26:34,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/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_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/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_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/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_bb518311-95dc-4f5e-bc2c-f30e83385ab4/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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:26:35,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:26:36,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 01:26:36,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:26:36,087 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:26:36,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:26:36,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:26:36,088 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:26:36,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:26:36,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:26:36,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:26:36,088 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 01:26:36,088 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 01:26:36,088 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 01:26:36,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:26:36,088 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:26:36,088 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:26:36,089 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:26:36,089 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:26:36,089 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:26:36,089 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:26:36,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:26:36,089 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:26:36,089 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:26:36,089 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:26:36,089 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:26:36,089 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:26:36,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:26:36,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:26:36,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:26:36,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:26:36,090 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:26:36,090 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:26:36,090 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:26:36,090 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_bb518311-95dc-4f5e-bc2c-f30e83385ab4/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 -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2024-12-06 01:26:36,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:26:36,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:26:36,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:26:36,337 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:26:36,337 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:26:36,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2024-12-06 01:26:39,011 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/data/2cadaaa9b/14bf31b745f14630b1e94c2d5469be06/FLAG43ca845f5 [2024-12-06 01:26:39,232 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:26:39,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2024-12-06 01:26:39,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/data/2cadaaa9b/14bf31b745f14630b1e94c2d5469be06/FLAG43ca845f5 [2024-12-06 01:26:39,564 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/data/2cadaaa9b/14bf31b745f14630b1e94c2d5469be06 [2024-12-06 01:26:39,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:26:39,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:26:39,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:26:39,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:26:39,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:26:39,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:26:39" (1/1) ... [2024-12-06 01:26:39,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3180bb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:39, skipping insertion in model container [2024-12-06 01:26:39,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:26:39" (1/1) ... [2024-12-06 01:26:39,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:26:39,829 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 01:26:39,871 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 01:26:39,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:26:39,886 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 01:26:39,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:26:39,918 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 01:26:39,936 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 01:26:39,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:26:39,943 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:26:39,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:26:40,017 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:26:40,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:40 WrapperNode [2024-12-06 01:26:40,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:26:40,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:26:40,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:26:40,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:26:40,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:40" (1/1) ... [2024-12-06 01:26:40,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:40" (1/1) ... [2024-12-06 01:26:40,053 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 34 [2024-12-06 01:26:40,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:26:40,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:26:40,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:26:40,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:26:40,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:40" (1/1) ... [2024-12-06 01:26:40,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:40" (1/1) ... [2024-12-06 01:26:40,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:40" (1/1) ... [2024-12-06 01:26:40,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:40" (1/1) ... [2024-12-06 01:26:40,072 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:40" (1/1) ... [2024-12-06 01:26:40,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:40" (1/1) ... [2024-12-06 01:26:40,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:40" (1/1) ... [2024-12-06 01:26:40,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:40" (1/1) ... [2024-12-06 01:26:40,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:40" (1/1) ... [2024-12-06 01:26:40,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:26:40,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:26:40,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:26:40,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:26:40,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:40" (1/1) ... [2024-12-06 01:26:40,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:26:40,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:26:40,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:26:40,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:26:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:26:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:26:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 01:26:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:26:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:26:40,212 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:26:40,213 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:26:40,283 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 01:26:40,284 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:26:40,360 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:26:40,361 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:26:40,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:26:40 BoogieIcfgContainer [2024-12-06 01:26:40,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:26:40,362 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:26:40,362 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:26:40,370 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:26:40,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:26:40" (1/1) ... [2024-12-06 01:26:40,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:26:40,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 01:26:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 01:26:40,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 01:26:40,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:40,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:26:40,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:26:40,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:26:40,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:26:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:26:40,500 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:26:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:26:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:26:40,559 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:26:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:26:40,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:26:40,583 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:26:40,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:26:40 ImpRootNode [2024-12-06 01:26:40,597 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:26:40,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:26:40,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:26:40,597 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:26:40,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:26:40" (3/4) ... [2024-12-06 01:26:40,600 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:26:40,601 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:26:40,602 INFO L158 Benchmark]: Toolchain (without parser) took 1034.62ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 41.0MB in the end (delta: 27.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-12-06 01:26:40,602 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:26:40,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.06ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 41.0MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:26:40,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.52ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 39.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:26:40,603 INFO L158 Benchmark]: Boogie Preprocessor took 24.58ms. Allocated memory is still 92.3MB. Free memory was 39.2MB in the beginning and 69.1MB in the end (delta: -29.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-12-06 01:26:40,603 INFO L158 Benchmark]: RCFGBuilder took 282.03ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 52.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:26:40,604 INFO L158 Benchmark]: CodeCheck took 235.00ms. Allocated memory is still 92.3MB. Free memory was 52.1MB in the beginning and 41.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:26:40,604 INFO L158 Benchmark]: Witness Printer took 3.55ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 41.0MB in the end (delta: 317.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:26:40,606 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; [L770] CALL entry_point() [L766] CALL probe_9() [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] COND TRUE \read(*a9) [L761] return 0; [L766] RET probe_9() [L767] a9 = 0 [L770] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.06ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 41.0MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.52ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 39.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.58ms. Allocated memory is still 92.3MB. Free memory was 39.2MB in the beginning and 69.1MB in the end (delta: -29.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * RCFGBuilder took 282.03ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 52.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 235.00ms. Allocated memory is still 92.3MB. Free memory was 52.1MB in the beginning and 41.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.55ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 41.0MB in the end (delta: 317.5kB). 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 01:26:40,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb518311-95dc-4f5e-bc2c-f30e83385ab4/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