./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 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_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/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_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/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_9bf90d64-ae16-4c51-9242-7502ad99f0f6/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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:22:24,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:22:24,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-09 00:22:24,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:22:24,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:22:24,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:22:24,367 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:22:24,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:22:24,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:22:24,368 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:22:24,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:22:24,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:22:24,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:22:24,370 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:22:24,370 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:22:24,370 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 00:22:24,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:22:24,371 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:22:24,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:22:24,372 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:22:24,372 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:22:24,373 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:22:24,373 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:22:24,374 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:22:24,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:22:24,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:24,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:22:24,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:22:24,375 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:22:24,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:22:24,379 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_9bf90d64-ae16-4c51-9242-7502ad99f0f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2024-11-09 00:22:24,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:22:24,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:22:24,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:22:24,686 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:22:24,687 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:22:24,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i Unable to find full path for "g++" [2024-11-09 00:22:26,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:22:27,029 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:22:27,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-11-09 00:22:27,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/data/d4c943da4/762b5f1e173d46bd86f17e28de649cdc/FLAGd2eea0ea3 [2024-11-09 00:22:27,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/data/d4c943da4/762b5f1e173d46bd86f17e28de649cdc [2024-11-09 00:22:27,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:22:27,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:22:27,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:27,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:22:27,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:22:27,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:27" (1/1) ... [2024-11-09 00:22:27,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f517ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:27, skipping insertion in model container [2024-11-09 00:22:27,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:27" (1/1) ... [2024-11-09 00:22:27,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:22:27,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:27,646 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:22:27,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:27,814 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:22:27,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:27 WrapperNode [2024-11-09 00:22:27,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:27,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:27,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:22:27,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:22:27,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:27" (1/1) ... [2024-11-09 00:22:27,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:27" (1/1) ... [2024-11-09 00:22:27,885 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 39 [2024-11-09 00:22:27,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:27,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:22:27,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:22:27,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:22:27,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:27" (1/1) ... [2024-11-09 00:22:27,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:27" (1/1) ... [2024-11-09 00:22:27,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:27" (1/1) ... [2024-11-09 00:22:27,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:27" (1/1) ... [2024-11-09 00:22:27,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:27" (1/1) ... [2024-11-09 00:22:27,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:27" (1/1) ... [2024-11-09 00:22:27,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:27" (1/1) ... [2024-11-09 00:22:27,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:27" (1/1) ... [2024-11-09 00:22:27,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:22:27,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:22:27,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:22:27,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:22:27,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:27" (1/1) ... [2024-11-09 00:22:27,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:27,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:22:27,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:22:27,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:22:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:22:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:22:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 00:22:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:22:28,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:22:28,163 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:22:28,166 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:22:28,261 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 00:22:28,264 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:22:28,362 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:22:28,363 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:22:28,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:28 BoogieIcfgContainer [2024-11-09 00:22:28,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:22:28,365 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:22:28,365 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:22:28,377 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:22:28,377 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:28" (1/1) ... [2024-11-09 00:22:28,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:22:28,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:28,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-09 00:22:28,444 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-09 00:22:28,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 00:22:28,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:28,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:28,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:22:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:28,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:22:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:28,775 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:22:28,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:22:28 ImpRootNode [2024-11-09 00:22:28,798 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:22:28,800 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:22:28,802 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:22:28,802 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:22:28,802 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:28" (3/4) ... [2024-11-09 00:22:28,807 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:22:28,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:22:28,810 INFO L158 Benchmark]: Toolchain (without parser) took 1741.71ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 116.9MB in the beginning and 168.6MB in the end (delta: -51.7MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-11-09 00:22:28,812 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 153.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:22:28,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.12ms. Allocated memory is still 151.0MB. Free memory was 116.9MB in the beginning and 92.6MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 00:22:28,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.36ms. Allocated memory is still 151.0MB. Free memory was 92.6MB in the beginning and 90.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:22:28,816 INFO L158 Benchmark]: Boogie Preprocessor took 37.38ms. Allocated memory is still 151.0MB. Free memory was 90.1MB in the beginning and 89.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:22:28,816 INFO L158 Benchmark]: RCFGBuilder took 437.80ms. Allocated memory is still 151.0MB. Free memory was 89.0MB in the beginning and 72.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:22:28,819 INFO L158 Benchmark]: CodeCheck took 433.92ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 72.8MB in the beginning and 168.6MB in the end (delta: -95.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:22:28,820 INFO L158 Benchmark]: Witness Printer took 9.04ms. Allocated memory is still 203.4MB. Free memory is still 168.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:22:28,826 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: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L772] CALL entry_point() [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; [L769] RET, EXPR alloc_16(condition) [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 153.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.12ms. Allocated memory is still 151.0MB. Free memory was 116.9MB in the beginning and 92.6MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.36ms. Allocated memory is still 151.0MB. Free memory was 92.6MB in the beginning and 90.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.38ms. Allocated memory is still 151.0MB. Free memory was 90.1MB in the beginning and 89.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 437.80ms. Allocated memory is still 151.0MB. Free memory was 89.0MB in the beginning and 72.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 433.92ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 72.8MB in the beginning and 168.6MB in the end (delta: -95.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.04ms. Allocated memory is still 203.4MB. Free memory is still 168.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:22:28,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/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_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/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_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/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_9bf90d64-ae16-4c51-9242-7502ad99f0f6/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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:22:31,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:22:31,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-09 00:22:31,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:22:31,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:22:31,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:22:31,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:22:31,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:22:31,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:22:31,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:22:31,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:22:31,646 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:22:31,647 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:22:31,647 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 00:22:31,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:22:31,648 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:22:31,651 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:22:31,653 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:22:31,653 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:22:31,654 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:22:31,654 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:22:31,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:22:31,657 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:22:31,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:22:31,660 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:22:31,660 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:31,661 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:22:31,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:22:31,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:31,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:22:31,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:22:31,663 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:22:31,663 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:31,663 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:22:31,663 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_9bf90d64-ae16-4c51-9242-7502ad99f0f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2024-11-09 00:22:32,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:22:32,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:22:32,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:22:32,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:22:32,110 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:22:32,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i Unable to find full path for "g++" [2024-11-09 00:22:34,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:22:34,693 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:22:34,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-11-09 00:22:34,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/data/e7fa2c4f7/5d6d18cc750e4ab39632b28cd8fdb7c4/FLAG13146dce5 [2024-11-09 00:22:34,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/data/e7fa2c4f7/5d6d18cc750e4ab39632b28cd8fdb7c4 [2024-11-09 00:22:34,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:22:34,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:22:34,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:34,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:22:34,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:22:34,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c83c310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34, skipping insertion in model container [2024-11-09 00:22:34,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:22:35,439 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:22:35,530 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:22:35,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:35,567 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-09 00:22:35,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:22:35,645 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:22:35,693 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:22:35,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:35,711 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:22:35,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:35,836 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:22:35,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:35 WrapperNode [2024-11-09 00:22:35,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:35,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:35,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:22:35,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:22:35,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:35" (1/1) ... [2024-11-09 00:22:35,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:35" (1/1) ... [2024-11-09 00:22:35,908 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 38 [2024-11-09 00:22:35,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:35,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:22:35,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:22:35,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:22:35,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:35" (1/1) ... [2024-11-09 00:22:35,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:35" (1/1) ... [2024-11-09 00:22:35,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:35" (1/1) ... [2024-11-09 00:22:35,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:35" (1/1) ... [2024-11-09 00:22:35,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:35" (1/1) ... [2024-11-09 00:22:35,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:35" (1/1) ... [2024-11-09 00:22:35,945 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:35" (1/1) ... [2024-11-09 00:22:35,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:35" (1/1) ... [2024-11-09 00:22:35,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:22:35,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:22:35,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:22:35,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:22:35,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:35" (1/1) ... [2024-11-09 00:22:35,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:35,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:22:35,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:22:36,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:22:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:22:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:22:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 00:22:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:22:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:22:36,178 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:22:36,181 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:22:36,335 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 00:22:36,335 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:22:36,469 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:22:36,469 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:22:36,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:36 BoogieIcfgContainer [2024-11-09 00:22:36,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:22:36,472 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:22:36,473 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:22:36,485 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:22:36,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:36" (1/1) ... [2024-11-09 00:22:36,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:22:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:36,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-09 00:22:36,555 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-09 00:22:36,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 00:22:36,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:36,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:36,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:36,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:36,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:22:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:36,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:22:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:36,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:22:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:36,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:36,891 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:22:36,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:22:36 ImpRootNode [2024-11-09 00:22:36,916 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:22:36,916 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:22:36,917 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:22:36,918 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:22:36,918 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:36" (3/4) ... [2024-11-09 00:22:36,922 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:22:36,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:22:36,925 INFO L158 Benchmark]: Toolchain (without parser) took 2092.93ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 56.6MB in the beginning and 74.6MB in the end (delta: -18.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-09 00:22:36,925 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 57.6MB in the end (delta: 23.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:22:36,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1004.53ms. Allocated memory is still 81.8MB. Free memory was 56.3MB in the beginning and 48.2MB in the end (delta: 8.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 00:22:36,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.95ms. Allocated memory is still 81.8MB. Free memory was 48.2MB in the beginning and 46.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:22:36,929 INFO L158 Benchmark]: Boogie Preprocessor took 41.50ms. Allocated memory is still 81.8MB. Free memory was 46.0MB in the beginning and 44.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:22:36,930 INFO L158 Benchmark]: RCFGBuilder took 517.14ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 44.7MB in the beginning and 87.6MB in the end (delta: -42.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-09 00:22:36,932 INFO L158 Benchmark]: CodeCheck took 443.73ms. Allocated memory is still 119.5MB. Free memory was 87.6MB in the beginning and 74.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:22:36,932 INFO L158 Benchmark]: Witness Printer took 7.06ms. Allocated memory is still 119.5MB. Free memory was 74.9MB in the beginning and 74.6MB in the end (delta: 254.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:22:36,936 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: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L772] CALL entry_point() [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; [L769] RET, EXPR alloc_16(condition) [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 57.6MB in the end (delta: 23.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1004.53ms. Allocated memory is still 81.8MB. Free memory was 56.3MB in the beginning and 48.2MB in the end (delta: 8.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.95ms. Allocated memory is still 81.8MB. Free memory was 48.2MB in the beginning and 46.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.50ms. Allocated memory is still 81.8MB. Free memory was 46.0MB in the beginning and 44.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 517.14ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 44.7MB in the beginning and 87.6MB in the end (delta: -42.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * CodeCheck took 443.73ms. Allocated memory is still 119.5MB. Free memory was 87.6MB in the beginning and 74.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.06ms. Allocated memory is still 119.5MB. Free memory was 74.9MB in the beginning and 74.6MB in the end (delta: 254.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:22:36,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf90d64-ae16-4c51-9242-7502ad99f0f6/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