./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL --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 a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:11:21,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:11:21,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:11:21,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:11:21,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:11:21,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:11:21,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:11:21,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:11:21,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:11:21,857 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:11:21,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:11:21,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:11:21,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:11:21,862 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:11:21,863 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:11:21,863 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:11:21,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:11:21,864 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:11:21,865 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:11:21,865 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:11:21,866 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:11:21,867 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:11:21,867 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:11:21,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:11:21,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:21,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:11:21,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:11:21,870 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:11:21,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:11:21,871 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_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2023-11-19 03:11:22,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:11:22,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:11:22,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:11:22,287 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:11:22,288 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:11:22,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2023-11-19 03:11:25,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:11:26,192 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:11:26,193 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2023-11-19 03:11:26,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/data/0f9303d8f/fabadc14ca444c15b40998be76df4247/FLAG457001192 [2023-11-19 03:11:26,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/data/0f9303d8f/fabadc14ca444c15b40998be76df4247 [2023-11-19 03:11:26,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:11:26,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:11:26,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:26,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:11:26,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:11:26,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:26" (1/1) ... [2023-11-19 03:11:26,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6d4f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:26, skipping insertion in model container [2023-11-19 03:11:26,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:26" (1/1) ... [2023-11-19 03:11:26,357 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:11:27,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:27,059 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:11:27,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:27,215 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:11:27,224 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:11:27,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:27 WrapperNode [2023-11-19 03:11:27,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:27,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:27,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:11:27,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:11:27,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:27" (1/1) ... [2023-11-19 03:11:27,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:27" (1/1) ... [2023-11-19 03:11:27,312 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 32 [2023-11-19 03:11:27,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:27,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:11:27,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:11:27,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:11:27,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:27" (1/1) ... [2023-11-19 03:11:27,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:27" (1/1) ... [2023-11-19 03:11:27,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:27" (1/1) ... [2023-11-19 03:11:27,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:27" (1/1) ... [2023-11-19 03:11:27,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:27" (1/1) ... [2023-11-19 03:11:27,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:27" (1/1) ... [2023-11-19 03:11:27,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:27" (1/1) ... [2023-11-19 03:11:27,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:27" (1/1) ... [2023-11-19 03:11:27,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:11:27,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:11:27,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:11:27,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:11:27,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:27" (1/1) ... [2023-11-19 03:11:27,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:27,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:11:27,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:11:27,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:11:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:11:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:11:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:11:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:11:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:11:27,600 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:11:27,602 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:11:27,725 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:11:27,899 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:11:27,901 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:11:27,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:27 BoogieIcfgContainer [2023-11-19 03:11:27,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:11:27,910 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:11:27,911 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:11:27,930 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:11:27,930 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:27" (1/1) ... [2023-11-19 03:11:27,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:11:28,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-19 03:11:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-19 03:11:28,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:11:28,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:28,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:11:28,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:11:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:11:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:11:28,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:11:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:11:28,341 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:11:28,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:11:28 ImpRootNode [2023-11-19 03:11:28,367 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:11:28,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:11:28,368 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:11:28,368 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:11:28,369 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:27" (3/4) ... [2023-11-19 03:11:28,397 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:11:28,398 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:11:28,404 INFO L158 Benchmark]: Toolchain (without parser) took 2152.52ms. Allocated memory is still 207.6MB. Free memory was 159.5MB in the beginning and 175.4MB in the end (delta: -15.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-19 03:11:28,405 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:11:28,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 976.76ms. Allocated memory is still 207.6MB. Free memory was 159.5MB in the beginning and 137.5MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:11:28,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.08ms. Allocated memory is still 207.6MB. Free memory was 137.5MB in the beginning and 135.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:11:28,410 INFO L158 Benchmark]: Boogie Preprocessor took 42.07ms. Allocated memory is still 207.6MB. Free memory was 135.4MB in the beginning and 134.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:11:28,413 INFO L158 Benchmark]: RCFGBuilder took 552.77ms. Allocated memory is still 207.6MB. Free memory was 134.3MB in the beginning and 118.2MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:11:28,414 INFO L158 Benchmark]: CodeCheck took 456.91ms. Allocated memory is still 207.6MB. Free memory was 118.2MB in the beginning and 105.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:11:28,418 INFO L158 Benchmark]: Witness Printer took 30.23ms. Allocated memory is still 207.6MB. Free memory was 105.6MB in the beginning and 175.4MB in the end (delta: -69.8MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-19 03:11:28,426 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: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L773] CALL entry_point() [L770] CALL, EXPR alloc_21() [L762] CALL, EXPR ldv_malloc(sizeof(struct A21)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A21)) [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; [L770] RET, EXPR alloc_21() [L770] struct ldv_device *dev = alloc_21(); [L773] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 976.76ms. Allocated memory is still 207.6MB. Free memory was 159.5MB in the beginning and 137.5MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.08ms. Allocated memory is still 207.6MB. Free memory was 137.5MB in the beginning and 135.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.07ms. Allocated memory is still 207.6MB. Free memory was 135.4MB in the beginning and 134.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 552.77ms. Allocated memory is still 207.6MB. Free memory was 134.3MB in the beginning and 118.2MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 456.91ms. Allocated memory is still 207.6MB. Free memory was 118.2MB in the beginning and 105.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 30.23ms. Allocated memory is still 207.6MB. Free memory was 105.6MB in the beginning and 175.4MB in the end (delta: -69.8MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:11:28,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL --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 a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:11:31,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:11:31,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:11:31,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:11:31,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:11:31,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:11:31,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:11:31,818 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:11:31,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:11:31,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:11:31,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:11:31,827 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:11:31,827 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:11:31,829 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:11:31,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:11:31,830 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:11:31,831 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:11:31,832 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:11:31,832 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:11:31,833 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:11:31,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:11:31,835 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:11:31,835 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:11:31,836 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:11:31,836 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:11:31,837 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:11:31,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:11:31,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:31,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:11:31,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:11:31,841 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:11:31,841 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:11:31,842 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:11:31,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:11:31,842 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2023-11-19 03:11:32,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:11:32,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:11:32,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:11:32,395 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:11:32,396 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:11:32,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2023-11-19 03:11:36,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:11:36,464 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:11:36,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2023-11-19 03:11:36,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/data/3284c75eb/7fcd7ad6f85041f5b491381ed6cc6e2d/FLAG0ca0fcb23 [2023-11-19 03:11:36,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/data/3284c75eb/7fcd7ad6f85041f5b491381ed6cc6e2d [2023-11-19 03:11:36,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:11:36,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:11:36,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:36,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:11:36,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:11:36,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:36" (1/1) ... [2023-11-19 03:11:36,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e98011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:36, skipping insertion in model container [2023-11-19 03:11:36,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:36" (1/1) ... [2023-11-19 03:11:36,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:11:37,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:37,408 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:11:37,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:11:37,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:37,558 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:11:37,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:37,725 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:11:37,736 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:11:37,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:37 WrapperNode [2023-11-19 03:11:37,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:37,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:37,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:11:37,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:11:37,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:37" (1/1) ... [2023-11-19 03:11:37,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:37" (1/1) ... [2023-11-19 03:11:37,849 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 32 [2023-11-19 03:11:37,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:37,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:11:37,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:11:37,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:11:37,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:37" (1/1) ... [2023-11-19 03:11:37,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:37" (1/1) ... [2023-11-19 03:11:37,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:37" (1/1) ... [2023-11-19 03:11:37,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:37" (1/1) ... [2023-11-19 03:11:37,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:37" (1/1) ... [2023-11-19 03:11:37,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:37" (1/1) ... [2023-11-19 03:11:37,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:37" (1/1) ... [2023-11-19 03:11:37,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:37" (1/1) ... [2023-11-19 03:11:37,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:11:37,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:11:37,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:11:37,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:11:37,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:37" (1/1) ... [2023-11-19 03:11:37,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:37,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:11:37,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:11:37,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:11:38,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:11:38,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:11:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:11:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:11:38,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:11:38,181 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:11:38,184 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:11:38,357 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:11:38,555 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:11:38,556 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:11:38,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:38 BoogieIcfgContainer [2023-11-19 03:11:38,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:11:38,562 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:11:38,564 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:11:38,574 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:11:38,574 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:38" (1/1) ... [2023-11-19 03:11:38,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:11:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:38,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-19 03:11:38,679 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-19 03:11:38,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:11:38,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:38,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:11:38,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:11:38,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:11:38,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:11:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:11:38,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:11:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:11:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:11:39,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:11:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:11:39,029 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:11:39,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:11:39,038 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:11:39,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:11:39 ImpRootNode [2023-11-19 03:11:39,069 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:11:39,070 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:11:39,070 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:11:39,071 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:11:39,071 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:38" (3/4) ... [2023-11-19 03:11:39,075 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:11:39,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:11:39,078 INFO L158 Benchmark]: Toolchain (without parser) took 2554.73ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 39.6MB in the beginning and 56.7MB in the end (delta: -17.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-19 03:11:39,078 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 65.0MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:11:39,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1213.27ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 39.5MB in the beginning and 45.6MB in the end (delta: -6.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-19 03:11:39,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.09ms. Allocated memory is still 86.0MB. Free memory was 45.6MB in the beginning and 43.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:11:39,081 INFO L158 Benchmark]: Boogie Preprocessor took 75.30ms. Allocated memory is still 86.0MB. Free memory was 43.6MB in the beginning and 63.8MB in the end (delta: -20.2MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-19 03:11:39,082 INFO L158 Benchmark]: RCFGBuilder took 633.31ms. Allocated memory is still 86.0MB. Free memory was 63.8MB in the beginning and 44.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:11:39,083 INFO L158 Benchmark]: CodeCheck took 507.51ms. Allocated memory is still 86.0MB. Free memory was 44.9MB in the beginning and 56.8MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:11:39,084 INFO L158 Benchmark]: Witness Printer took 6.47ms. Allocated memory is still 86.0MB. Free memory was 56.8MB in the beginning and 56.7MB in the end (delta: 97.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:11:39,088 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: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L773] CALL entry_point() [L770] CALL, EXPR alloc_21() [L762] CALL, EXPR ldv_malloc(sizeof(struct A21)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A21)) [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; [L770] RET, EXPR alloc_21() [L770] struct ldv_device *dev = alloc_21(); [L773] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 65.0MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1213.27ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 39.5MB in the beginning and 45.6MB in the end (delta: -6.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.09ms. Allocated memory is still 86.0MB. Free memory was 45.6MB in the beginning and 43.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.30ms. Allocated memory is still 86.0MB. Free memory was 43.6MB in the beginning and 63.8MB in the end (delta: -20.2MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 633.31ms. Allocated memory is still 86.0MB. Free memory was 63.8MB in the beginning and 44.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 507.51ms. Allocated memory is still 86.0MB. Free memory was 44.9MB in the beginning and 56.8MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.47ms. Allocated memory is still 86.0MB. Free memory was 56.8MB in the beginning and 56.7MB in the end (delta: 97.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:11:39,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb2efd4-285d-4986-b409-705db2827f1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample