./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:18:23,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:18:23,809 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 04:18:23,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:18:23,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:18:23,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:18:23,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:18:23,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:18:23,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:18:23,840 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:18:23,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:18:23,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:18:23,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:18:23,840 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 04:18:23,840 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 04:18:23,840 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 04:18:23,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:18:23,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:18:23,840 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:18:23,841 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:18:23,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:18:23,841 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:18:23,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:18:23,841 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:18:23,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:18:23,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:18:23,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:18:23,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:18:23,842 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:18:23,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:18:23,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2024-11-25 04:18:24,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:18:24,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:18:24,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:18:24,151 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:18:24,151 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:18:24,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2024-11-25 04:18:27,298 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/data/e1ef99ea5/9458b9c237c3426b95ee99bfce821250/FLAGe2f35f366 [2024-11-25 04:18:27,739 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:18:27,741 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2024-11-25 04:18:27,763 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/data/e1ef99ea5/9458b9c237c3426b95ee99bfce821250/FLAGe2f35f366 [2024-11-25 04:18:27,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/data/e1ef99ea5/9458b9c237c3426b95ee99bfce821250 [2024-11-25 04:18:27,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:18:27,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:18:27,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:18:27,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:18:27,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:18:27,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:18:27" (1/1) ... [2024-11-25 04:18:27,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777fe326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:27, skipping insertion in model container [2024-11-25 04:18:27,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:18:27" (1/1) ... [2024-11-25 04:18:27,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:18:28,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:18:28,289 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:18:28,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:18:28,396 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:18:28,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:28 WrapperNode [2024-11-25 04:18:28,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:18:28,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:18:28,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:18:28,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:18:28,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:28" (1/1) ... [2024-11-25 04:18:28,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:28" (1/1) ... [2024-11-25 04:18:28,438 INFO L138 Inliner]: procedures = 168, calls = 70, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 32 [2024-11-25 04:18:28,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:18:28,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:18:28,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:18:28,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:18:28,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:28" (1/1) ... [2024-11-25 04:18:28,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:28" (1/1) ... [2024-11-25 04:18:28,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:28" (1/1) ... [2024-11-25 04:18:28,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:28" (1/1) ... [2024-11-25 04:18:28,455 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:28" (1/1) ... [2024-11-25 04:18:28,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:28" (1/1) ... [2024-11-25 04:18:28,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:28" (1/1) ... [2024-11-25 04:18:28,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:28" (1/1) ... [2024-11-25 04:18:28,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:28" (1/1) ... [2024-11-25 04:18:28,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:18:28,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:18:28,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:18:28,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:18:28,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:28" (1/1) ... [2024-11-25 04:18:28,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:18:28,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:18:28,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:18:28,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:18:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:18:28,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:18:28,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 04:18:28,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:18:28,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:18:28,670 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:18:28,672 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:18:28,771 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-25 04:18:28,772 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:18:28,873 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:18:28,873 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:18:28,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:28 BoogieIcfgContainer [2024-11-25 04:18:28,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:18:28,874 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:18:28,874 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:18:28,884 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:18:28,885 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:28" (1/1) ... [2024-11-25 04:18:28,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:18:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:28,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-25 04:18:28,956 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-25 04:18:28,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:18:28,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:28,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:18:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:29,079 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:18:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:29,170 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:18:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:29,205 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:18:29,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:18:29 ImpRootNode [2024-11-25 04:18:29,226 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:18:29,227 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:18:29,227 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:18:29,227 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:18:29,228 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:28" (3/4) ... [2024-11-25 04:18:29,230 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:18:29,231 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:18:29,232 INFO L158 Benchmark]: Toolchain (without parser) took 1439.27ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 65.3MB in the end (delta: 53.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 04:18:29,233 INFO L158 Benchmark]: CDTParser took 1.95ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:18:29,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.78ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 96.2MB in the end (delta: 22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:18:29,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.86ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:18:29,234 INFO L158 Benchmark]: Boogie Preprocessor took 21.93ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 93.4MB in the end (delta: 830.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:18:29,235 INFO L158 Benchmark]: RCFGBuilder took 407.38ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 78.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:18:29,235 INFO L158 Benchmark]: CodeCheck took 352.04ms. Allocated memory is still 142.6MB. Free memory was 78.0MB in the beginning and 65.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:18:29,236 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 142.6MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:18:29,238 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; [L782] CALL entry_point() [L778] CALL alloc_20() [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L774] CALL ldv_register_device(&p->dev) [L763] saved_device_20 = dev [L774] RET ldv_register_device(&p->dev) [L778] RET alloc_20() [L779] saved_device_20 = 0 [L782] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.95ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.78ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 96.2MB in the end (delta: 22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.86ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.93ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 93.4MB in the end (delta: 830.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 407.38ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 78.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 352.04ms. Allocated memory is still 142.6MB. Free memory was 78.0MB in the beginning and 65.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 142.6MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:18:29,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:18:32,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:18:32,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-25 04:18:32,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:18:32,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:18:32,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:18:32,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:18:32,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:18:32,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:18:32,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:18:32,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:18:32,260 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 04:18:32,260 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 04:18:32,260 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 04:18:32,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:18:32,260 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:18:32,260 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:18:32,260 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:18:32,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:18:32,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:18:32,261 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:18:32,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:18:32,263 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:18:32,263 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:18:32,263 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:18:32,263 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:32,264 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:18:32,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:18:32,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:18:32,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:18:32,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:18:32,265 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:18:32,265 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:32,265 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:18:32,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2024-11-25 04:18:32,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:18:32,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:18:32,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:18:32,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:18:32,653 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:18:32,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2024-11-25 04:18:35,888 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/data/0fd4115e9/c4727b96c2b5424089d7f332886f511d/FLAGb67502e2b [2024-11-25 04:18:36,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:18:36,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2024-11-25 04:18:36,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/data/0fd4115e9/c4727b96c2b5424089d7f332886f511d/FLAGb67502e2b [2024-11-25 04:18:36,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/data/0fd4115e9/c4727b96c2b5424089d7f332886f511d [2024-11-25 04:18:36,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:18:36,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:18:36,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:18:36,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:18:36,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:18:36,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:18:36" (1/1) ... [2024-11-25 04:18:36,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406a75f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:36, skipping insertion in model container [2024-11-25 04:18:36,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:18:36" (1/1) ... [2024-11-25 04:18:36,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:18:36,743 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:18:36,806 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:18:36,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:18:36,835 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-25 04:18:36,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:18:36,890 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:18:36,918 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:18:36,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:18:36,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:18:37,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:18:37,066 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:18:37,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:37 WrapperNode [2024-11-25 04:18:37,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:18:37,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:18:37,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:18:37,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:18:37,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:37" (1/1) ... [2024-11-25 04:18:37,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:37" (1/1) ... [2024-11-25 04:18:37,119 INFO L138 Inliner]: procedures = 169, calls = 70, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 32 [2024-11-25 04:18:37,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:18:37,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:18:37,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:18:37,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:18:37,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:37" (1/1) ... [2024-11-25 04:18:37,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:37" (1/1) ... [2024-11-25 04:18:37,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:37" (1/1) ... [2024-11-25 04:18:37,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:37" (1/1) ... [2024-11-25 04:18:37,140 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:37" (1/1) ... [2024-11-25 04:18:37,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:37" (1/1) ... [2024-11-25 04:18:37,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:37" (1/1) ... [2024-11-25 04:18:37,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:37" (1/1) ... [2024-11-25 04:18:37,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:37" (1/1) ... [2024-11-25 04:18:37,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:18:37,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:18:37,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:18:37,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:18:37,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:37" (1/1) ... [2024-11-25 04:18:37,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:18:37,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:18:37,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:18:37,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:18:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:18:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:18:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 04:18:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:18:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:18:37,365 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:18:37,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:18:37,532 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-25 04:18:37,532 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:18:37,652 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:18:37,652 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:18:37,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:37 BoogieIcfgContainer [2024-11-25 04:18:37,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:18:37,653 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:18:37,654 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:18:37,664 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:18:37,664 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:37" (1/1) ... [2024-11-25 04:18:37,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:18:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:37,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-25 04:18:37,729 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-25 04:18:37,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:18:37,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:37,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:37,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:37,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:37,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:18:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:37,876 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:18:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:38,001 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:18:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:38,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:18:38,045 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:18:38,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:18:38 ImpRootNode [2024-11-25 04:18:38,075 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:18:38,077 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:18:38,077 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:18:38,078 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:18:38,078 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:37" (3/4) ... [2024-11-25 04:18:38,082 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:18:38,083 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:18:38,087 INFO L158 Benchmark]: Toolchain (without parser) took 1821.06ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 36.9MB in the end (delta: 22.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-25 04:18:38,087 INFO L158 Benchmark]: CDTParser took 3.46ms. Allocated memory is still 83.9MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:18:38,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 800.25ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 32.1MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:18:38,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.44ms. Allocated memory is still 83.9MB. Free memory was 32.1MB in the beginning and 30.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:18:38,091 INFO L158 Benchmark]: Boogie Preprocessor took 28.01ms. Allocated memory is still 83.9MB. Free memory was 30.1MB in the beginning and 29.2MB in the end (delta: 864.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:18:38,092 INFO L158 Benchmark]: RCFGBuilder took 503.84ms. Allocated memory is still 83.9MB. Free memory was 29.2MB in the beginning and 48.9MB in the end (delta: -19.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-25 04:18:38,092 INFO L158 Benchmark]: CodeCheck took 421.60ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 37.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:18:38,093 INFO L158 Benchmark]: Witness Printer took 5.86ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 36.9MB in the end (delta: 520.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:18:38,097 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; [L782] CALL entry_point() [L778] CALL alloc_20() [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L774] CALL ldv_register_device(&p->dev) [L763] saved_device_20 = dev [L774] RET ldv_register_device(&p->dev) [L778] RET alloc_20() [L779] saved_device_20 = 0 [L782] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.46ms. Allocated memory is still 83.9MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 800.25ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 32.1MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.44ms. Allocated memory is still 83.9MB. Free memory was 32.1MB in the beginning and 30.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.01ms. Allocated memory is still 83.9MB. Free memory was 30.1MB in the beginning and 29.2MB in the end (delta: 864.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 503.84ms. Allocated memory is still 83.9MB. Free memory was 29.2MB in the beginning and 48.9MB in the end (delta: -19.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * CodeCheck took 421.60ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 37.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.86ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 36.9MB in the end (delta: 520.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:18:38,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d83292-bacc-4341-a69e-90a4612f13fa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample