./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm --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 c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:05:04,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:05:05,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 22:05:05,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:05:05,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:05:05,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:05:05,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:05:05,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:05:05,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:05:05,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:05:05,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:05:05,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:05:05,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:05:05,107 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:05:05,107 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:05:05,107 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:05:05,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:05:05,107 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:05:05,110 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:05:05,110 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:05:05,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:05:05,110 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:05:05,110 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:05:05,110 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:05:05,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:05:05,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:05,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:05:05,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:05:05,111 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:05:05,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:05:05,111 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_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm 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 -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2024-11-13 22:05:05,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:05:05,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:05:05,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:05:05,466 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:05:05,466 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:05:05,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i Unable to find full path for "g++" [2024-11-13 22:05:07,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:05:07,894 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:05:07,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2024-11-13 22:05:07,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/data/759389e95/e8583e716fc54f03a9da8b6f153a8b65/FLAGf351691ec [2024-11-13 22:05:07,935 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/data/759389e95/e8583e716fc54f03a9da8b6f153a8b65 [2024-11-13 22:05:07,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:05:07,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:05:07,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:07,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:05:07,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:05:07,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:07" (1/1) ... [2024-11-13 22:05:07,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5055435a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:07, skipping insertion in model container [2024-11-13 22:05:07,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:07" (1/1) ... [2024-11-13 22:05:08,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:05:08,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:08,482 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:05:08,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:08,596 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:05:08,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:08 WrapperNode [2024-11-13 22:05:08,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:08,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:08,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:05:08,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:05:08,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:08" (1/1) ... [2024-11-13 22:05:08,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:08" (1/1) ... [2024-11-13 22:05:08,647 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 29, calls inlined = 4, statements flattened = 22 [2024-11-13 22:05:08,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:08,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:05:08,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:05:08,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:05:08,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:08" (1/1) ... [2024-11-13 22:05:08,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:08" (1/1) ... [2024-11-13 22:05:08,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:08" (1/1) ... [2024-11-13 22:05:08,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:08" (1/1) ... [2024-11-13 22:05:08,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:08" (1/1) ... [2024-11-13 22:05:08,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:08" (1/1) ... [2024-11-13 22:05:08,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:08" (1/1) ... [2024-11-13 22:05:08,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:08" (1/1) ... [2024-11-13 22:05:08,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:05:08,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:05:08,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:05:08,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:05:08,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:08" (1/1) ... [2024-11-13 22:05:08,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:08,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:05:08,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:05:08,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:05:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:05:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:05:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 22:05:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:05:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:05:08,855 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:05:08,857 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:05:09,000 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 22:05:09,000 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:05:09,034 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:05:09,036 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:05:09,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:09 BoogieIcfgContainer [2024-11-13 22:05:09,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:05:09,037 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:05:09,037 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:05:09,048 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:05:09,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:09" (1/1) ... [2024-11-13 22:05:09,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:05:09,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:05:09,113 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:05:09,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:05:09,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:09,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:09,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:09,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:09,314 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:05:09,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:05:09 ImpRootNode [2024-11-13 22:05:09,337 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:05:09,338 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:05:09,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:05:09,338 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:05:09,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:09" (3/4) ... [2024-11-13 22:05:09,340 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:05:09,378 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:05:09,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:05:09,379 INFO L158 Benchmark]: Toolchain (without parser) took 1439.73ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 42.8MB in the end (delta: 47.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 22:05:09,380 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:09,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 657.91ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 68.4MB in the end (delta: 22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:05:09,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.97ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 66.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:09,381 INFO L158 Benchmark]: Boogie Preprocessor took 19.86ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 65.9MB in the end (delta: 826.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:09,382 INFO L158 Benchmark]: RCFGBuilder took 367.96ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 55.3MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:05:09,382 INFO L158 Benchmark]: CodeCheck took 300.18ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 44.4MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:05:09,382 INFO L158 Benchmark]: Witness Printer took 40.53ms. Allocated memory is still 117.4MB. Free memory was 44.4MB in the beginning and 42.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:09,385 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 3 NumberOfCodeBlocks, 3 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 - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L766] CALL entry_point() [L762] CALL, EXPR h_unsafe() [L759] return (int *)__VERIFIER_nondet_ulong(); [L762] RET, EXPR h_unsafe() [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={1:0}, p={0:1}] [L763] free(p) VAL [ldv_global_msg_list={1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 657.91ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 68.4MB in the end (delta: 22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.97ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 66.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.86ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 65.9MB in the end (delta: 826.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 367.96ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 55.3MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 300.18ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 44.4MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 40.53ms. Allocated memory is still 117.4MB. Free memory was 44.4MB in the beginning and 42.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:05:09,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a5ca6a-0723-4150-a7f3-54f66b7ce277/bin/ukojak-verify-EEHR8qb7sm/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)