./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_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_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/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_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/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_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:03:51,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:03:51,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 05:03:51,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:03:51,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:03:51,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:03:51,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:03:51,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:03:51,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:03:51,662 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:03:51,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:03:51,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:03:51,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:03:51,663 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:03:51,663 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:03:51,663 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:03:51,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:03:51,663 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:03:51,663 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:03:51,663 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:03:51,664 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:03:51,664 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:03:51,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:03:51,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:03:51,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:03:51,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:03:51,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:03:51,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:03:51,664 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:03:51,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:03:51,665 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_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/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 -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2024-12-06 05:03:51,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:03:51,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:03:51,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:03:51,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:03:51,876 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:03:51,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-12-06 05:03:54,450 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/data/c656bc64d/e909071aa88b4cbcb3872405774248bf/FLAG16fc2dd7a [2024-12-06 05:03:54,718 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:03:54,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-12-06 05:03:54,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/data/c656bc64d/e909071aa88b4cbcb3872405774248bf/FLAG16fc2dd7a [2024-12-06 05:03:55,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/data/c656bc64d/e909071aa88b4cbcb3872405774248bf [2024-12-06 05:03:55,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:03:55,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:03:55,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:03:55,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:03:55,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:03:55,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55, skipping insertion in model container [2024-12-06 05:03:55,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:03:55,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:03:55,299 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:03:55,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:03:55,379 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:03:55,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55 WrapperNode [2024-12-06 05:03:55,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:03:55,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:03:55,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:03:55,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:03:55,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,412 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 39 [2024-12-06 05:03:55,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:03:55,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:03:55,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:03:55,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:03:55,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,424 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:03:55,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:03:55,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:03:55,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:03:55,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:03:55,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:03:55,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:03:55,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:03:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 05:03:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:03:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 05:03:55,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:03:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:03:55,554 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:03:55,555 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:03:55,617 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-06 05:03:55,617 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:03:55,678 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:03:55,679 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:03:55,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:03:55 BoogieIcfgContainer [2024-12-06 05:03:55,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:03:55,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:03:55,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:03:55,688 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:03:55,688 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:03:55" (1/1) ... [2024-12-06 05:03:55,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:03:55,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:55,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 05:03:55,739 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 05:03:55,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:03:55,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:55,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:03:55,824 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:03:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:03:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:03:55,875 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:03:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:03:55,899 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:03:55,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:03:55 ImpRootNode [2024-12-06 05:03:55,916 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:03:55,917 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:03:55,917 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:03:55,917 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:03:55,917 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:03:55" (3/4) ... [2024-12-06 05:03:55,920 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:03:55,920 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:03:55,921 INFO L158 Benchmark]: Toolchain (without parser) took 909.38ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 65.9MB in the end (delta: 52.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 05:03:55,922 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:03:55,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.75ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 96.7MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:03:55,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.32ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 94.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:03:55,923 INFO L158 Benchmark]: Boogie Preprocessor took 15.59ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 94.1MB in the end (delta: 792.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:03:55,923 INFO L158 Benchmark]: RCFGBuilder took 250.01ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 79.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:03:55,924 INFO L158 Benchmark]: CodeCheck took 236.33ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 66.2MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:03:55,924 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 65.9MB in the end (delta: 242.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:03:55,926 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: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L772] CALL entry_point() [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; [L769] RET, EXPR alloc_16(condition) [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.75ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 96.7MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.32ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 94.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.59ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 94.1MB in the end (delta: 792.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 250.01ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 79.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 236.33ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 66.2MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 65.9MB in the end (delta: 242.5kB). 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 05:03:55,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/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_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/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_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/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_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:03:57,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:03:57,899 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 05:03:57,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:03:57,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:03:57,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:03:57,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:03:57,928 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:03:57,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:03:57,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:03:57,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:03:57,929 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:03:57,929 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:03:57,929 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:03:57,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:03:57,929 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:03:57,929 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:03:57,929 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:03:57,930 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:03:57,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:03:57,930 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:03:57,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:03:57,930 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:03:57,930 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:03:57,930 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:03:57,930 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:03:57,930 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:03:57,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:03:57,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:03:57,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:03:57,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:03:57,931 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:03:57,931 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:03:57,931 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:03:57,931 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_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/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 -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2024-12-06 05:03:58,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:03:58,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:03:58,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:03:58,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:03:58,158 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:03:58,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-12-06 05:04:00,800 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/data/e4f4196ef/8c4be57432c2491a807970cc9eb2072a/FLAGeb57fb8a1 [2024-12-06 05:04:01,011 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:04:01,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-12-06 05:04:01,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/data/e4f4196ef/8c4be57432c2491a807970cc9eb2072a/FLAGeb57fb8a1 [2024-12-06 05:04:01,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/data/e4f4196ef/8c4be57432c2491a807970cc9eb2072a [2024-12-06 05:04:01,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:04:01,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:04:01,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:01,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:04:01,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:04:01,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510bab79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01, skipping insertion in model container [2024-12-06 05:04:01,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:04:01,317 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 05:04:01,360 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 05:04:01,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:01,377 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 05:04:01,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:04:01,410 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 05:04:01,428 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 05:04:01,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:01,434 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:04:01,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:01,509 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:04:01,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01 WrapperNode [2024-12-06 05:04:01,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:01,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:01,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:04:01,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:04:01,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,541 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 38 [2024-12-06 05:04:01,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:01,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:04:01,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:04:01,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:04:01,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,562 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:04:01,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:04:01,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:04:01,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:04:01,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:04:01,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:04:01,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:04:01,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:04:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 05:04:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:04:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 05:04:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:04:01,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:04:01,710 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:04:01,711 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:04:01,786 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-06 05:04:01,787 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:04:01,859 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:04:01,859 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:04:01,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:01 BoogieIcfgContainer [2024-12-06 05:04:01,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:04:01,861 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:04:01,861 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:04:01,870 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:04:01,870 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:01" (1/1) ... [2024-12-06 05:04:01,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:04:01,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:01,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 05:04:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 05:04:01,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:04:01,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:01,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:01,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:01,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:01,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:04:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:02,011 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:04:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:02,083 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:04:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:02,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:04:02,110 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:04:02,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:04:02 ImpRootNode [2024-12-06 05:04:02,126 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:04:02,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:04:02,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:04:02,127 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:04:02,127 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:01" (3/4) ... [2024-12-06 05:04:02,129 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:04:02,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:04:02,131 INFO L158 Benchmark]: Toolchain (without parser) took 1089.06ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 39.5MB in the end (delta: 29.1MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-12-06 05:04:02,131 INFO L158 Benchmark]: CDTParser took 0.26ms. 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 05:04:02,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.31ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 41.2MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:04:02,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.77ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 39.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:02,132 INFO L158 Benchmark]: Boogie Preprocessor took 25.11ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 68.9MB in the end (delta: -29.6MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-12-06 05:04:02,133 INFO L158 Benchmark]: RCFGBuilder took 291.95ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 51.6MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:04:02,133 INFO L158 Benchmark]: CodeCheck took 265.45ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 39.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:04:02,133 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 39.5MB in the end (delta: 317.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:02,135 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: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L772] CALL entry_point() [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; [L769] RET, EXPR alloc_16(condition) [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.31ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 41.2MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.77ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 39.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.11ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 68.9MB in the end (delta: -29.6MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * RCFGBuilder took 291.95ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 51.6MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 265.45ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 39.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 39.5MB in the end (delta: 317.4kB). 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 05:04:02,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb9efaa-81d9-4316-97fb-cb5ce18fe7ac/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