./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 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_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:24:53,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:24:53,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 22:24:53,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:24:53,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:24:53,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:24:53,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:24:53,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:24:53,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:24:53,886 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:24:53,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:24:53,887 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:24:53,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:24:53,888 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:24:53,890 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:24:53,890 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 22:24:53,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:24:53,891 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:24:53,891 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:24:53,892 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:24:53,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:24:53,895 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:24:53,895 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:24:53,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:24:53,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:24:53,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:24:53,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:24:53,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:24:53,900 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:24:53,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:24:53,900 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_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2024-11-08 22:24:54,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:24:54,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:24:54,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:24:54,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:24:54,241 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:24:54,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i Unable to find full path for "g++" [2024-11-08 22:24:56,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:24:56,672 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:24:56,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2024-11-08 22:24:56,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/data/0c5679bec/a40cd5492a884479ab7dfc53126b6c8b/FLAG9f04b43d5 [2024-11-08 22:24:56,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/data/0c5679bec/a40cd5492a884479ab7dfc53126b6c8b [2024-11-08 22:24:56,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:24:56,920 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:24:56,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:24:56,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:24:56,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:24:56,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:24:56" (1/1) ... [2024-11-08 22:24:56,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a287a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:56, skipping insertion in model container [2024-11-08 22:24:56,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:24:56" (1/1) ... [2024-11-08 22:24:56,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:24:57,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:57,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:24:57,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:57,591 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:24:57,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:57 WrapperNode [2024-11-08 22:24:57,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:24:57,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:57,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:24:57,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:24:57,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:57" (1/1) ... [2024-11-08 22:24:57,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:57" (1/1) ... [2024-11-08 22:24:57,640 INFO L138 Inliner]: procedures = 168, calls = 70, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 32 [2024-11-08 22:24:57,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:57,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:24:57,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:24:57,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:24:57,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:57" (1/1) ... [2024-11-08 22:24:57,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:57" (1/1) ... [2024-11-08 22:24:57,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:57" (1/1) ... [2024-11-08 22:24:57,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:57" (1/1) ... [2024-11-08 22:24:57,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:57" (1/1) ... [2024-11-08 22:24:57,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:57" (1/1) ... [2024-11-08 22:24:57,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:57" (1/1) ... [2024-11-08 22:24:57,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:57" (1/1) ... [2024-11-08 22:24:57,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:24:57,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:24:57,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:24:57,667 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:24:57,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:57" (1/1) ... [2024-11-08 22:24:57,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:24:57,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:24:57,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:24:57,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:24:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:24:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:24:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 22:24:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:24:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:24:57,864 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:24:57,866 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:24:58,015 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 22:24:58,015 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:24:58,110 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:24:58,110 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:24:58,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:58 BoogieIcfgContainer [2024-11-08 22:24:58,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:24:58,113 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:24:58,116 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:24:58,129 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:24:58,129 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:58" (1/1) ... [2024-11-08 22:24:58,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:24:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-08 22:24:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-08 22:24:58,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 22:24:58,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:58,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:24:58,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:24:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:24:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:24:58,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:24:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:24:58,456 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:24:58,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:24:58 ImpRootNode [2024-11-08 22:24:58,480 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:24:58,484 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:24:58,484 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:24:58,484 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:24:58,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:58" (3/4) ... [2024-11-08 22:24:58,488 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:24:58,490 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:24:58,491 INFO L158 Benchmark]: Toolchain (without parser) took 1573.87ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 99.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-08 22:24:58,492 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 151.0MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:24:58,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.56ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 85.0MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 22:24:58,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.99ms. Allocated memory is still 151.0MB. Free memory was 85.0MB in the beginning and 83.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:24:58,495 INFO L158 Benchmark]: Boogie Preprocessor took 25.16ms. Allocated memory is still 151.0MB. Free memory was 83.0MB in the beginning and 81.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:24:58,497 INFO L158 Benchmark]: RCFGBuilder took 444.13ms. Allocated memory is still 151.0MB. Free memory was 81.8MB in the beginning and 113.4MB in the end (delta: -31.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:24:58,498 INFO L158 Benchmark]: CodeCheck took 367.33ms. Allocated memory is still 151.0MB. Free memory was 113.4MB in the beginning and 100.1MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:24:58,499 INFO L158 Benchmark]: Witness Printer took 6.31ms. Allocated memory is still 151.0MB. Free memory was 100.1MB in the beginning and 99.5MB in the end (delta: 618.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:24:58,506 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: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; [L782] CALL entry_point() [L778] CALL alloc_20() [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L774] CALL ldv_register_device(&p->dev) [L763] saved_device_20 = dev [L774] RET ldv_register_device(&p->dev) [L778] RET alloc_20() [L779] saved_device_20 = 0 [L782] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 151.0MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.56ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 85.0MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.99ms. Allocated memory is still 151.0MB. Free memory was 85.0MB in the beginning and 83.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.16ms. Allocated memory is still 151.0MB. Free memory was 83.0MB in the beginning and 81.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 444.13ms. Allocated memory is still 151.0MB. Free memory was 81.8MB in the beginning and 113.4MB in the end (delta: -31.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 367.33ms. Allocated memory is still 151.0MB. Free memory was 113.4MB in the beginning and 100.1MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.31ms. Allocated memory is still 151.0MB. Free memory was 100.1MB in the beginning and 99.5MB in the end (delta: 618.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:24:58,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/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_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:25:00,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:25:01,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-08 22:25:01,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:25:01,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:25:01,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:25:01,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:25:01,128 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:25:01,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:25:01,130 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:25:01,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:25:01,131 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:25:01,131 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:25:01,132 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 22:25:01,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:25:01,132 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:25:01,133 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:25:01,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:25:01,137 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:25:01,137 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:25:01,140 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:25:01,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:25:01,141 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:25:01,142 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:25:01,142 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:25:01,142 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:01,143 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:25:01,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:25:01,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:25:01,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:25:01,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:25:01,144 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:25:01,145 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:01,145 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:25:01,145 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_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2024-11-08 22:25:01,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:25:01,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:25:01,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:25:01,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:25:01,597 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:25:01,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i Unable to find full path for "g++" [2024-11-08 22:25:03,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:25:04,178 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:25:04,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2024-11-08 22:25:04,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/data/89e523dec/286903d0675c455ca10bc49b0ab298ac/FLAGd2d2830db [2024-11-08 22:25:04,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/data/89e523dec/286903d0675c455ca10bc49b0ab298ac [2024-11-08 22:25:04,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:25:04,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:25:04,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:25:04,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:25:04,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:25:04,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:25:04" (1/1) ... [2024-11-08 22:25:04,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f438e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:04, skipping insertion in model container [2024-11-08 22:25:04,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:25:04" (1/1) ... [2024-11-08 22:25:04,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:25:04,972 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 22:25:05,068 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 22:25:05,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:25:05,100 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-08 22:25:05,121 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:25:05,158 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 22:25:05,194 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 22:25:05,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:25:05,208 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:25:05,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:25:05,370 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:25:05,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:05 WrapperNode [2024-11-08 22:25:05,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:25:05,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:25:05,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:25:05,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:25:05,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:05" (1/1) ... [2024-11-08 22:25:05,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:05" (1/1) ... [2024-11-08 22:25:05,443 INFO L138 Inliner]: procedures = 169, calls = 70, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 32 [2024-11-08 22:25:05,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:25:05,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:25:05,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:25:05,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:25:05,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:05" (1/1) ... [2024-11-08 22:25:05,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:05" (1/1) ... [2024-11-08 22:25:05,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:05" (1/1) ... [2024-11-08 22:25:05,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:05" (1/1) ... [2024-11-08 22:25:05,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:05" (1/1) ... [2024-11-08 22:25:05,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:05" (1/1) ... [2024-11-08 22:25:05,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:05" (1/1) ... [2024-11-08 22:25:05,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:05" (1/1) ... [2024-11-08 22:25:05,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:25:05,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:25:05,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:25:05,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:25:05,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:05" (1/1) ... [2024-11-08 22:25:05,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:25:05,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:25:05,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:25:05,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:25:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:25:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:25:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 22:25:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:25:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:25:05,674 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:25:05,677 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:25:05,839 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 22:25:05,841 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:25:05,991 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:25:05,994 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:25:05,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:25:05 BoogieIcfgContainer [2024-11-08 22:25:05,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:25:05,996 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:25:05,996 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:25:06,014 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:25:06,015 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:25:05" (1/1) ... [2024-11-08 22:25:06,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:25:06,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-08 22:25:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-08 22:25:06,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 22:25:06,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:06,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:06,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:06,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:06,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:25:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:25:06,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:25:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:25:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:25:06,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:25:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:25:06,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:25:06,396 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:25:06,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:25:06 ImpRootNode [2024-11-08 22:25:06,421 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:25:06,422 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:25:06,423 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:25:06,424 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:25:06,424 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:25:05" (3/4) ... [2024-11-08 22:25:06,428 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:25:06,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:25:06,432 INFO L158 Benchmark]: Toolchain (without parser) took 2038.33ms. Allocated memory is still 73.4MB. Free memory was 47.4MB in the beginning and 33.7MB in the end (delta: 13.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-08 22:25:06,432 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 58.7MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:25:06,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 977.29ms. Allocated memory is still 73.4MB. Free memory was 47.3MB in the beginning and 49.0MB in the end (delta: -1.7MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-11-08 22:25:06,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.66ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:25:06,436 INFO L158 Benchmark]: Boogie Preprocessor took 25.13ms. Allocated memory is still 73.4MB. Free memory was 46.9MB in the beginning and 45.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:25:06,437 INFO L158 Benchmark]: RCFGBuilder took 525.51ms. Allocated memory is still 73.4MB. Free memory was 45.5MB in the beginning and 46.7MB in the end (delta: -1.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:25:06,438 INFO L158 Benchmark]: CodeCheck took 425.56ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 34.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:25:06,439 INFO L158 Benchmark]: Witness Printer took 7.92ms. Allocated memory is still 73.4MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:25:06,442 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: 0.4s, 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: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; [L782] CALL entry_point() [L778] CALL alloc_20() [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L774] CALL ldv_register_device(&p->dev) [L763] saved_device_20 = dev [L774] RET ldv_register_device(&p->dev) [L778] RET alloc_20() [L779] saved_device_20 = 0 [L782] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 58.7MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 977.29ms. Allocated memory is still 73.4MB. Free memory was 47.3MB in the beginning and 49.0MB in the end (delta: -1.7MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.66ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.13ms. Allocated memory is still 73.4MB. Free memory was 46.9MB in the beginning and 45.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 525.51ms. Allocated memory is still 73.4MB. Free memory was 45.5MB in the beginning and 46.7MB in the end (delta: -1.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 425.56ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 34.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.92ms. Allocated memory is still 73.4MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:25:06,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8318e08-6b19-4799-977a-f06b359509fd/bin/ukojak-verify-ImItNfHLgk/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