./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi --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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:17,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:17,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:53:17,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:17,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:17,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:17,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:17,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:17,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:17,981 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:17,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:17,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:17,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:17,985 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:53:17,985 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:53:17,986 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:53:17,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:17,986 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:53:17,987 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:17,987 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:17,988 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:17,988 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:17,990 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:17,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:17,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:17,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:17,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:17,993 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:17,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:17,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2023-11-24 22:53:18,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:18,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:18,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:18,375 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:18,376 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:18,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2023-11-24 22:53:21,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:21,974 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:21,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2023-11-24 22:53:22,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/data/7ed14c210/64613fb587784930bc97e85c629ee750/FLAG6d166983f [2023-11-24 22:53:22,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/data/7ed14c210/64613fb587784930bc97e85c629ee750 [2023-11-24 22:53:22,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:22,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:22,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:22,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:22,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:22,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be7133d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22, skipping insertion in model container [2023-11-24 22:53:22,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:22,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:22,678 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:22,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:22,824 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:22,833 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:22,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22 WrapperNode [2023-11-24 22:53:22,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:22,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:22,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:22,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:22,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,912 INFO L138 Inliner]: procedures = 164, calls = 68, calls flagged for inlining = 29, calls inlined = 4, statements flattened = 24 [2023-11-24 22:53:22,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:22,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:22,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:22,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:22,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:22,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:22,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:22,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:22,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:22,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:22,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:23,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:53:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:53:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:23,205 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:23,209 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:23,287 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:23,397 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:23,407 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:53:23,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:23 BoogieIcfgContainer [2023-11-24 22:53:23,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:23,410 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:23,410 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:23,420 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:23,421 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:23" (1/1) ... [2023-11-24 22:53:23,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:23,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-24 22:53:23,498 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-24 22:53:23,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:53:23,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:23,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:23,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:23,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:23,772 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:53:23,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:53:23 ImpRootNode [2023-11-24 22:53:23,791 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:53:23,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:53:23,792 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:53:23,795 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:53:23,797 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:23" (3/4) ... [2023-11-24 22:53:23,799 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:53:23,802 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:53:23,803 INFO L158 Benchmark]: Toolchain (without parser) took 1765.60ms. Allocated memory is still 157.3MB. Free memory was 121.4MB in the beginning and 70.2MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-24 22:53:23,804 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 157.3MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:23,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.03ms. Allocated memory is still 157.3MB. Free memory was 120.9MB in the beginning and 99.5MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:53:23,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.82ms. Allocated memory is still 157.3MB. Free memory was 99.5MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:23,807 INFO L158 Benchmark]: Boogie Preprocessor took 46.86ms. Allocated memory is still 157.3MB. Free memory was 97.4MB in the beginning and 95.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:23,809 INFO L158 Benchmark]: RCFGBuilder took 448.48ms. Allocated memory is still 157.3MB. Free memory was 95.8MB in the beginning and 83.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:53:23,809 INFO L158 Benchmark]: CodeCheck took 381.19ms. Allocated memory is still 157.3MB. Free memory was 83.3MB in the beginning and 70.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:53:23,811 INFO L158 Benchmark]: Witness Printer took 10.56ms. Allocated memory is still 157.3MB. Free memory was 70.7MB in the beginning and 70.2MB in the end (delta: 522.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:23,817 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: 0.3s, 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 - UnprovableResult [Line: 760]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 760. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] CALL entry_point() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 157.3MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.03ms. Allocated memory is still 157.3MB. Free memory was 120.9MB in the beginning and 99.5MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.82ms. Allocated memory is still 157.3MB. Free memory was 99.5MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.86ms. Allocated memory is still 157.3MB. Free memory was 97.4MB in the beginning and 95.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.48ms. Allocated memory is still 157.3MB. Free memory was 95.8MB in the beginning and 83.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 381.19ms. Allocated memory is still 157.3MB. Free memory was 83.3MB in the beginning and 70.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 10.56ms. Allocated memory is still 157.3MB. Free memory was 70.7MB in the beginning and 70.2MB in the end (delta: 522.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:53:23,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi --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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:26,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:26,798 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 22:53:26,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:26,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:26,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:26,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:26,860 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:26,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:26,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:26,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:26,865 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:53:26,865 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:53:26,866 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:53:26,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:26,867 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:53:26,867 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:53:26,868 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:53:26,868 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:53:26,868 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:26,869 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:26,869 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:26,870 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:26,870 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:26,871 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:26,871 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:53:26,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:26,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:26,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:26,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:26,875 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:53:26,875 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:26,876 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:53:26,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:53:26,876 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2023-11-24 22:53:27,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:27,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:27,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:27,292 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:27,292 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:27,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2023-11-24 22:53:30,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:30,898 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:30,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2023-11-24 22:53:30,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/data/234482518/d619b2b069b849cbabbc2a5a99e58267/FLAG994f223b9 [2023-11-24 22:53:30,948 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/data/234482518/d619b2b069b849cbabbc2a5a99e58267 [2023-11-24 22:53:30,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:30,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:30,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:30,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:30,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:30,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:30" (1/1) ... [2023-11-24 22:53:30,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530ae78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:30, skipping insertion in model container [2023-11-24 22:53:30,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:30" (1/1) ... [2023-11-24 22:53:31,038 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:31,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:31,529 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:53:31,546 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:31,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:31,630 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:31,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:31,754 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:31,760 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:31,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:31 WrapperNode [2023-11-24 22:53:31,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:31,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:31,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:31,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:31,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:31" (1/1) ... [2023-11-24 22:53:31,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:31" (1/1) ... [2023-11-24 22:53:31,820 INFO L138 Inliner]: procedures = 165, calls = 68, calls flagged for inlining = 29, calls inlined = 4, statements flattened = 24 [2023-11-24 22:53:31,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:31,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:31,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:31,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:31,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:31" (1/1) ... [2023-11-24 22:53:31,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:31" (1/1) ... [2023-11-24 22:53:31,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:31" (1/1) ... [2023-11-24 22:53:31,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:31" (1/1) ... [2023-11-24 22:53:31,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:31" (1/1) ... [2023-11-24 22:53:31,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:31" (1/1) ... [2023-11-24 22:53:31,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:31" (1/1) ... [2023-11-24 22:53:31,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:31" (1/1) ... [2023-11-24 22:53:31,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:31,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:31,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:31,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:31,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:31" (1/1) ... [2023-11-24 22:53:31,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:31,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:31,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:31,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:53:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:53:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:32,115 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:32,117 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:32,267 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:32,373 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:32,373 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:53:32,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:32 BoogieIcfgContainer [2023-11-24 22:53:32,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:32,383 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:32,383 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:32,393 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:32,394 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:32" (1/1) ... [2023-11-24 22:53:32,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:32,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-24 22:53:32,475 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-24 22:53:32,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:53:32,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:32,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:32,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:53:32,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:53:32,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:53:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:32,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:32,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:32,738 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:53:32,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:53:32,747 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:53:32,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:53:32 ImpRootNode [2023-11-24 22:53:32,772 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:53:32,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:53:32,775 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:53:32,775 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:53:32,776 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:32" (3/4) ... [2023-11-24 22:53:32,778 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:53:32,780 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:53:32,780 INFO L158 Benchmark]: Toolchain (without parser) took 1824.24ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 63.2MB in the end (delta: 27.9MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2023-11-24 22:53:32,781 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:32,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 802.64ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 92.1MB in the end (delta: -1.4MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:32,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.48ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 90.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:32,783 INFO L158 Benchmark]: Boogie Preprocessor took 62.70ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:32,784 INFO L158 Benchmark]: RCFGBuilder took 498.10ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 74.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:53:32,791 INFO L158 Benchmark]: CodeCheck took 389.83ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 63.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:53:32,791 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 63.2MB in the end (delta: 530.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:32,797 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: 0.3s, 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 - UnprovableResult [Line: 760]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 760. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] CALL entry_point() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 802.64ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 92.1MB in the end (delta: -1.4MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.48ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 90.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.70ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 498.10ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 74.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 389.83ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 63.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 63.2MB in the end (delta: 530.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:53:32,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe37394c-2ee8-4c0e-aeb7-7434cb4ee357/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample