./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.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_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/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_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/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_3e81bed7-fa27-4db7-bc3d-90658aea6c49/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 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:19:01,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:19:01,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 06:19:01,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:19:01,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:19:01,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:19:01,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:19:01,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:19:01,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:19:01,817 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:19:01,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:19:01,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:19:01,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:19:01,817 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 06:19:01,817 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 06:19:01,817 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 06:19:01,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:19:01,817 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:19:01,818 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:19:01,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:19:01,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:19:01,818 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:19:01,818 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:19:01,818 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:19:01,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:19:01,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:19:01,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:19:01,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:19:01,819 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:19:01,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:19:01,819 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_3e81bed7-fa27-4db7-bc3d-90658aea6c49/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 -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2024-12-06 06:19:02,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:19:02,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:19:02,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:19:02,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:19:02,032 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:19:02,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2024-12-06 06:19:04,725 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/data/478b4d866/80485b3eb3ee41349cef05d812d076db/FLAGa56633d88 [2024-12-06 06:19:04,961 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:19:04,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2024-12-06 06:19:04,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/data/478b4d866/80485b3eb3ee41349cef05d812d076db/FLAGa56633d88 [2024-12-06 06:19:04,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/data/478b4d866/80485b3eb3ee41349cef05d812d076db [2024-12-06 06:19:04,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:19:04,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:19:04,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:19:04,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:19:04,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:19:04,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:19:04" (1/1) ... [2024-12-06 06:19:04,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6a4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:04, skipping insertion in model container [2024-12-06 06:19:04,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:19:04" (1/1) ... [2024-12-06 06:19:05,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:19:05,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:19:05,341 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:19:05,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:19:05,423 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:19:05,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:05 WrapperNode [2024-12-06 06:19:05,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:19:05,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:19:05,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:19:05,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:19:05,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:05" (1/1) ... [2024-12-06 06:19:05,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:05" (1/1) ... [2024-12-06 06:19:05,453 INFO L138 Inliner]: procedures = 168, calls = 70, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 32 [2024-12-06 06:19:05,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:19:05,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:19:05,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:19:05,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:19:05,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:05" (1/1) ... [2024-12-06 06:19:05,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:05" (1/1) ... [2024-12-06 06:19:05,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:05" (1/1) ... [2024-12-06 06:19:05,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:05" (1/1) ... [2024-12-06 06:19:05,468 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:05" (1/1) ... [2024-12-06 06:19:05,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:05" (1/1) ... [2024-12-06 06:19:05,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:05" (1/1) ... [2024-12-06 06:19:05,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:05" (1/1) ... [2024-12-06 06:19:05,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:05" (1/1) ... [2024-12-06 06:19:05,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:19:05,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:19:05,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:19:05,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:19:05,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:05" (1/1) ... [2024-12-06 06:19:05,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:19:05,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:19:05,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:19:05,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:19:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 06:19:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:19:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 06:19:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:19:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:19:05,622 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:19:05,623 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:19:05,697 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 06:19:05,697 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:19:05,764 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:19:05,764 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:19:05,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:19:05 BoogieIcfgContainer [2024-12-06 06:19:05,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:19:05,765 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:19:05,765 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:19:05,772 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:19:05,772 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:19:05" (1/1) ... [2024-12-06 06:19:05,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:19:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 06:19:05,815 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 06:19:05,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 06:19:05,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:05,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:19:05,889 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:19:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:19:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:19:05,949 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:19:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:19:05,969 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:19:05,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:19:05 ImpRootNode [2024-12-06 06:19:05,983 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:19:05,984 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:19:05,984 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:19:05,984 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:19:05,985 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:19:05" (3/4) ... [2024-12-06 06:19:05,986 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:19:05,987 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:19:05,988 INFO L158 Benchmark]: Toolchain (without parser) took 996.73ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 63.7MB in the end (delta: 53.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 06:19:05,988 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:19:05,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.27ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 94.6MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:19:05,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.04ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 92.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:19:05,989 INFO L158 Benchmark]: Boogie Preprocessor took 19.50ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 91.9MB in the end (delta: 970.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:19:05,990 INFO L158 Benchmark]: RCFGBuilder took 290.14ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 76.4MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:19:05,990 INFO L158 Benchmark]: CodeCheck took 218.12ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 63.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:19:05,990 INFO L158 Benchmark]: Witness Printer took 3.46ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 63.7MB in the end (delta: 185.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:19:05,993 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: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; [L782] CALL entry_point() [L778] CALL alloc_20() [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L774] CALL ldv_register_device(&p->dev) [L763] saved_device_20 = dev [L774] RET ldv_register_device(&p->dev) [L778] RET alloc_20() [L779] saved_device_20 = 0 [L782] 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 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.27ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 94.6MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.04ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 92.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.50ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 91.9MB in the end (delta: 970.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 290.14ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 76.4MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 218.12ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 63.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.46ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 63.7MB in the end (delta: 185.6kB). 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 06:19:06,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/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_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/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_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/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_3e81bed7-fa27-4db7-bc3d-90658aea6c49/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 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:19:08,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:19:08,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 06:19:08,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:19:08,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:19:08,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:19:08,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:19:08,114 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:19:08,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:19:08,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:19:08,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:19:08,115 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 06:19:08,115 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 06:19:08,115 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 06:19:08,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:19:08,115 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:19:08,115 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:19:08,115 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:19:08,116 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:19:08,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:19:08,116 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:19:08,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:19:08,116 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:19:08,116 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:19:08,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:19:08,116 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:19:08,116 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:19:08,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:19:08,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:19:08,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:19:08,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:19:08,117 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:19:08,117 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:19:08,117 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:19:08,117 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_3e81bed7-fa27-4db7-bc3d-90658aea6c49/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 -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2024-12-06 06:19:08,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:19:08,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:19:08,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:19:08,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:19:08,350 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:19:08,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2024-12-06 06:19:11,016 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/data/1f6d332e9/d98bfee2cae0488ba080183f5c47acaf/FLAG75773126d [2024-12-06 06:19:11,227 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:19:11,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2024-12-06 06:19:11,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/data/1f6d332e9/d98bfee2cae0488ba080183f5c47acaf/FLAG75773126d [2024-12-06 06:19:11,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/data/1f6d332e9/d98bfee2cae0488ba080183f5c47acaf [2024-12-06 06:19:11,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:19:11,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:19:11,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:19:11,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:19:11,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:19:11,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355145c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11, skipping insertion in model container [2024-12-06 06:19:11,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:19:11,515 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 06:19:11,563 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 06:19:11,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:19:11,583 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 06:19:11,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:19:11,617 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 06:19:11,637 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 06:19:11,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:19:11,644 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:19:11,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:19:11,724 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:19:11,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11 WrapperNode [2024-12-06 06:19:11,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:19:11,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:19:11,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:19:11,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:19:11,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,765 INFO L138 Inliner]: procedures = 169, calls = 70, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 32 [2024-12-06 06:19:11,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:19:11,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:19:11,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:19:11,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:19:11,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,781 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:19:11,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:19:11,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:19:11,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:19:11,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:11" (1/1) ... [2024-12-06 06:19:11,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:19:11,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:19:11,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:19:11,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:19:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 06:19:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:19:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 06:19:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:19:11,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:19:11,924 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:19:11,926 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:19:12,012 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 06:19:12,013 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:19:12,103 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:19:12,103 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:19:12,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:19:12 BoogieIcfgContainer [2024-12-06 06:19:12,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:19:12,104 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:19:12,104 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:19:12,114 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:19:12,114 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:19:12" (1/1) ... [2024-12-06 06:19:12,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:19:12,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 06:19:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 06:19:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 06:19:12,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:12,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:19:12,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:19:12,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:19:12,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:19:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:19:12,277 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:19:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:19:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:19:12,347 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:19:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:19:12,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:19:12,371 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:19:12,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:19:12 ImpRootNode [2024-12-06 06:19:12,385 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:19:12,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:19:12,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:19:12,386 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:19:12,387 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:19:12" (3/4) ... [2024-12-06 06:19:12,388 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:19:12,389 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:19:12,390 INFO L158 Benchmark]: Toolchain (without parser) took 1132.80ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 37.4MB in the end (delta: 31.2MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-12-06 06:19:12,390 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:19:12,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.32ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 41.0MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:19:12,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.74ms. Allocated memory is still 92.3MB. Free memory was 40.9MB in the beginning and 69.0MB in the end (delta: -28.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 06:19:12,391 INFO L158 Benchmark]: Boogie Preprocessor took 21.15ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 68.0MB in the end (delta: 996.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:19:12,391 INFO L158 Benchmark]: RCFGBuilder took 315.83ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 49.2MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:19:12,392 INFO L158 Benchmark]: CodeCheck took 281.04ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 37.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:19:12,392 INFO L158 Benchmark]: Witness Printer took 3.22ms. Allocated memory is still 92.3MB. Free memory was 37.7MB in the beginning and 37.4MB in the end (delta: 318.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:19:12,394 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: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; [L782] CALL entry_point() [L778] CALL alloc_20() [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L774] CALL ldv_register_device(&p->dev) [L763] saved_device_20 = dev [L774] RET ldv_register_device(&p->dev) [L778] RET alloc_20() [L779] saved_device_20 = 0 [L782] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.32ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 41.0MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.74ms. Allocated memory is still 92.3MB. Free memory was 40.9MB in the beginning and 69.0MB in the end (delta: -28.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.15ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 68.0MB in the end (delta: 996.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 315.83ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 49.2MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 281.04ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 37.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.22ms. Allocated memory is still 92.3MB. Free memory was 37.7MB in the beginning and 37.4MB in the end (delta: 318.8kB). 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 06:19:12,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e81bed7-fa27-4db7-bc3d-90658aea6c49/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