./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:26,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:26,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:51:26,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:26,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:26,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:26,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:26,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:26,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:26,669 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:26,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:26,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:26,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:26,673 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:51:26,674 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:51:26,674 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:51:26,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:26,675 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:26,676 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:26,676 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:26,676 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:26,677 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:26,677 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:26,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:26,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:26,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:26,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:26,681 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:26,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:26,682 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_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2023-11-24 22:51:26,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:26,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:26,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:26,989 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:26,990 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:26,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2023-11-24 22:51:30,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:30,518 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:30,518 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2023-11-24 22:51:30,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/data/3bad7be2e/005f6c4cb0db4198808e7c001750637d/FLAG2ce07406b [2023-11-24 22:51:30,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/data/3bad7be2e/005f6c4cb0db4198808e7c001750637d [2023-11-24 22:51:30,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:30,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:30,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:30,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:30,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:30,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5e0e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:30, skipping insertion in model container [2023-11-24 22:51:30,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:30" (1/1) ... [2023-11-24 22:51:30,652 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:31,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:31,108 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:31,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:31,229 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:31,237 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:31,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31 WrapperNode [2023-11-24 22:51:31,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:31,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:31,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:31,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:31,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:31,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:31,306 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 32 [2023-11-24 22:51:31,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:31,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:31,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:31,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:31,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:31,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:31,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:31,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:31,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:31,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:31,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:31,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:31,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:31,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:31,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:31,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:31,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:31,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:31,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:31,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:31,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:51:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:51:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:31,637 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:31,641 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:31,800 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:31,925 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:31,932 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:51:31,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:31 BoogieIcfgContainer [2023-11-24 22:51:31,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:31,936 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:31,936 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:31,947 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:31,947 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:31" (1/1) ... [2023-11-24 22:51:31,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:32,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-24 22:51:32,031 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-24 22:51:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:51:32,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:32,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:32,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:32,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:32,277 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:51:32,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:51:32 ImpRootNode [2023-11-24 22:51:32,296 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:51:32,297 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:51:32,297 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:51:32,298 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:51:32,298 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:31" (3/4) ... [2023-11-24 22:51:32,301 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:51:32,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:51:32,303 INFO L158 Benchmark]: Toolchain (without parser) took 1735.99ms. Allocated memory is still 140.5MB. Free memory was 100.0MB in the beginning and 104.3MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:32,303 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:32,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 669.71ms. Allocated memory is still 140.5MB. Free memory was 99.5MB in the beginning and 77.5MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:51:32,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.12ms. Allocated memory is still 140.5MB. Free memory was 77.5MB in the beginning and 75.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:51:32,305 INFO L158 Benchmark]: Boogie Preprocessor took 63.32ms. Allocated memory is still 140.5MB. Free memory was 74.9MB in the beginning and 73.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:32,306 INFO L158 Benchmark]: RCFGBuilder took 564.03ms. Allocated memory is still 140.5MB. Free memory was 73.9MB in the beginning and 59.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:51:32,307 INFO L158 Benchmark]: CodeCheck took 360.97ms. Allocated memory is still 140.5MB. Free memory was 59.2MB in the beginning and 105.0MB in the end (delta: -45.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:32,308 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 140.5MB. Free memory was 105.0MB in the beginning and 104.3MB in the end (delta: 719.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:51:32,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 0.28ms. Allocated memory is still 107.0MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 669.71ms. Allocated memory is still 140.5MB. Free memory was 99.5MB in the beginning and 77.5MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.12ms. Allocated memory is still 140.5MB. Free memory was 77.5MB in the beginning and 75.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.32ms. Allocated memory is still 140.5MB. Free memory was 74.9MB in the beginning and 73.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 564.03ms. Allocated memory is still 140.5MB. Free memory was 73.9MB in the beginning and 59.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 360.97ms. Allocated memory is still 140.5MB. Free memory was 59.2MB in the beginning and 105.0MB in the end (delta: -45.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 140.5MB. Free memory was 105.0MB in the beginning and 104.3MB in the end (delta: 719.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:51:32,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:35,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:35,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 22:51:35,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:35,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:35,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:35,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:35,232 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:35,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:35,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:35,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:35,239 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:51:35,240 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:51:35,242 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:51:35,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:35,243 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:51:35,243 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:51:35,244 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:51:35,244 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:35,244 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:35,245 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:35,246 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:35,246 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:35,246 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:35,247 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:35,247 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:51:35,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:35,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:35,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:35,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:35,251 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:51:35,251 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:35,252 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:51:35,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:51:35,252 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_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2023-11-24 22:51:35,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:35,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:35,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:35,680 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:35,681 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:35,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2023-11-24 22:51:38,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:39,189 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:39,190 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2023-11-24 22:51:39,214 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/data/85d19fead/9db2f2822c9f401ca5c63b167c20bc7b/FLAG9712b782d [2023-11-24 22:51:39,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/data/85d19fead/9db2f2822c9f401ca5c63b167c20bc7b [2023-11-24 22:51:39,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:39,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:39,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:39,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:39,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:39,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:39" (1/1) ... [2023-11-24 22:51:39,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b4779d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:39, skipping insertion in model container [2023-11-24 22:51:39,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:39" (1/1) ... [2023-11-24 22:51:39,327 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:39,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:39,879 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:51:39,904 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:39,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:39,960 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:40,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:40,128 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:40,137 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:40,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:40 WrapperNode [2023-11-24 22:51:40,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:40,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:40,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:40,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:40,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:40" (1/1) ... [2023-11-24 22:51:40,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:40" (1/1) ... [2023-11-24 22:51:40,237 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 32 [2023-11-24 22:51:40,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:40,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:40,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:40,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:40,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:40" (1/1) ... [2023-11-24 22:51:40,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:40" (1/1) ... [2023-11-24 22:51:40,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:40" (1/1) ... [2023-11-24 22:51:40,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:40" (1/1) ... [2023-11-24 22:51:40,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:40" (1/1) ... [2023-11-24 22:51:40,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:40" (1/1) ... [2023-11-24 22:51:40,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:40" (1/1) ... [2023-11-24 22:51:40,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:40" (1/1) ... [2023-11-24 22:51:40,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:40,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:40,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:40,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:40,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:40" (1/1) ... [2023-11-24 22:51:40,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:40,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:40,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:40,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:51:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:51:40,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:40,546 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:40,548 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:40,654 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:40,752 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:40,752 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:51:40,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:40 BoogieIcfgContainer [2023-11-24 22:51:40,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:40,755 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:40,755 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:40,765 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:40,766 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:40" (1/1) ... [2023-11-24 22:51:40,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:40,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:40,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-24 22:51:40,838 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-24 22:51:40,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:51:40,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:40,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:40,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:40,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:40,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:51:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:40,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:41,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:41,090 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:51:41,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:51:41,098 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:51:41,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:51:41 ImpRootNode [2023-11-24 22:51:41,116 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:51:41,117 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:51:41,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:51:41,117 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:51:41,118 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:40" (3/4) ... [2023-11-24 22:51:41,119 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:51:41,120 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:51:41,121 INFO L158 Benchmark]: Toolchain (without parser) took 1882.29ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 50.0MB in the end (delta: 29.6MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2023-11-24 22:51:41,122 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:41,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 897.79ms. Allocated memory is still 104.9MB. Free memory was 79.3MB in the beginning and 51.0MB in the end (delta: 28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 22:51:41,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.91ms. Allocated memory is still 104.9MB. Free memory was 51.0MB in the beginning and 81.5MB in the end (delta: -30.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-24 22:51:41,124 INFO L158 Benchmark]: Boogie Preprocessor took 57.69ms. Allocated memory is still 104.9MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:41,125 INFO L158 Benchmark]: RCFGBuilder took 453.07ms. Allocated memory is still 104.9MB. Free memory was 80.2MB in the beginning and 62.6MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:51:41,125 INFO L158 Benchmark]: CodeCheck took 361.25ms. Allocated memory is still 104.9MB. Free memory was 62.6MB in the beginning and 50.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:51:41,126 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 104.9MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:41,130 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 0.51ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 897.79ms. Allocated memory is still 104.9MB. Free memory was 79.3MB in the beginning and 51.0MB in the end (delta: 28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.91ms. Allocated memory is still 104.9MB. Free memory was 51.0MB in the beginning and 81.5MB in the end (delta: -30.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.69ms. Allocated memory is still 104.9MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.07ms. Allocated memory is still 104.9MB. Free memory was 80.2MB in the beginning and 62.6MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 361.25ms. Allocated memory is still 104.9MB. Free memory was 62.6MB in the beginning and 50.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 104.9MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:51:41,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de9c77-865e-44ab-b1e9-8524de3fe52b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample