./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort_unsafe.c --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_58d98706-9cd2-4546-9c24-4531a825dae2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d98706-9cd2-4546-9c24-4531a825dae2/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_58d98706-9cd2-4546-9c24-4531a825dae2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d98706-9cd2-4546-9c24-4531a825dae2/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort_unsafe.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d98706-9cd2-4546-9c24-4531a825dae2/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_58d98706-9cd2-4546-9c24-4531a825dae2/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 5eaae4e0e100231882d4e227389aa6df1e49e6fa56c0a085febf2800aa4ad8fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:16:34,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:16:35,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d98706-9cd2-4546-9c24-4531a825dae2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 22:16:35,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:16:35,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:16:35,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:16:35,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:16:35,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:16:35,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:16:35,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:16:35,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:16:35,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:16:35,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:16:35,082 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:16:35,082 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:16:35,082 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:16:35,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:16:35,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:16:35,082 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:16:35,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:16:35,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:16:35,085 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:16:35,086 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:16:35,086 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:16:35,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:16:35,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:16:35,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:16:35,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:16:35,086 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:16:35,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:16:35,086 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_58d98706-9cd2-4546-9c24-4531a825dae2/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 -> 5eaae4e0e100231882d4e227389aa6df1e49e6fa56c0a085febf2800aa4ad8fe [2024-11-13 22:16:35,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:16:35,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:16:35,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:16:35,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:16:35,521 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:16:35,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d98706-9cd2-4546-9c24-4531a825dae2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-memsafety/bubblesort_unsafe.c Unable to find full path for "g++" [2024-11-13 22:16:37,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:16:38,075 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:16:38,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d98706-9cd2-4546-9c24-4531a825dae2/sv-benchmarks/c/array-memsafety/bubblesort_unsafe.c [2024-11-13 22:16:38,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d98706-9cd2-4546-9c24-4531a825dae2/bin/ukojak-verify-EEHR8qb7sm/data/53f0c3182/9a5d1ec9c4be4b90b0dfe2660d206227/FLAG6bcd502b6 [2024-11-13 22:16:38,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d98706-9cd2-4546-9c24-4531a825dae2/bin/ukojak-verify-EEHR8qb7sm/data/53f0c3182/9a5d1ec9c4be4b90b0dfe2660d206227 [2024-11-13 22:16:38,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:16:38,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:16:38,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:16:38,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:16:38,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:16:38,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:16:38" (1/1) ... [2024-11-13 22:16:38,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd46fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:38, skipping insertion in model container [2024-11-13 22:16:38,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:16:38" (1/1) ... [2024-11-13 22:16:38,177 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:16:38,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:16:38,382 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:16:38,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:16:38,410 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:16:38,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:38 WrapperNode [2024-11-13 22:16:38,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:16:38,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:16:38,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:16:38,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:16:38,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:38" (1/1) ... [2024-11-13 22:16:38,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:38" (1/1) ... [2024-11-13 22:16:38,461 INFO L138 Inliner]: procedures = 8, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2024-11-13 22:16:38,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:16:38,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:16:38,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:16:38,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:16:38,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:38" (1/1) ... [2024-11-13 22:16:38,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:38" (1/1) ... [2024-11-13 22:16:38,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:38" (1/1) ... [2024-11-13 22:16:38,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:38" (1/1) ... [2024-11-13 22:16:38,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:38" (1/1) ... [2024-11-13 22:16:38,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:38" (1/1) ... [2024-11-13 22:16:38,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:38" (1/1) ... [2024-11-13 22:16:38,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:38" (1/1) ... [2024-11-13 22:16:38,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:16:38,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:16:38,499 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:16:38,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:16:38,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:38" (1/1) ... [2024-11-13 22:16:38,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:16:38,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d98706-9cd2-4546-9c24-4531a825dae2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:16:38,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d98706-9cd2-4546-9c24-4531a825dae2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:16:38,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d98706-9cd2-4546-9c24-4531a825dae2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:16:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:16:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:16:38,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:16:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:16:38,700 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:16:38,703 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:16:38,971 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-13 22:16:38,971 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:16:39,018 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:16:39,018 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:16:39,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:16:39 BoogieIcfgContainer [2024-11-13 22:16:39,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:16:39,020 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:16:39,020 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:16:39,033 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:16:39,034 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:16:39" (1/1) ... [2024-11-13 22:16:39,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:16:39,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:39,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2024-11-13 22:16:39,124 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-11-13 22:16:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:16:39,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:39,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:16:39,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:39,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2024-11-13 22:16:39,369 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-11-13 22:16:39,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:16:39,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:39,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:16:39,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:16:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:16:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:16:39,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:16:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:16:39,458 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:16:39,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:16:39 ImpRootNode [2024-11-13 22:16:39,498 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:16:39,499 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:16:39,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:16:39,501 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:16:39,502 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:16:39" (3/4) ... [2024-11-13 22:16:39,504 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:16:39,551 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d98706-9cd2-4546-9c24-4531a825dae2/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:16:39,551 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:16:39,553 INFO L158 Benchmark]: Toolchain (without parser) took 1417.51ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 77.3MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 22:16:39,553 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:16:39,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.63ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 109.2MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:16:39,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.44ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 107.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:16:39,555 INFO L158 Benchmark]: Boogie Preprocessor took 35.05ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 107.0MB in the end (delta: 852.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:16:39,558 INFO L158 Benchmark]: RCFGBuilder took 521.08ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 92.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:16:39,558 INFO L158 Benchmark]: CodeCheck took 478.14ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 78.9MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:16:39,559 INFO L158 Benchmark]: Witness Printer took 52.52ms. Allocated memory is still 142.6MB. Free memory was 78.9MB in the beginning and 77.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:16:39,562 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, 26 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L19] int* numbers; [L20] int array_size = __VERIFIER_nondet_int(); [L21] CALL bubbleSort(numbers, array_size) [L5] int i, j, temp; [L7] i = (array_size - 1) VAL [i=1] [L7] COND TRUE i >= 0 [L8] j = 1 VAL [i=1, j=1] [L8] COND TRUE j <= i VAL [i=1, j=1] [L9] numbers[j-1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.63ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 109.2MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.44ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 107.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.05ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 107.0MB in the end (delta: 852.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 521.08ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 92.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 478.14ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 78.9MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 52.52ms. Allocated memory is still 142.6MB. Free memory was 78.9MB in the beginning and 77.3MB 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 22:16:39,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d98706-9cd2-4546-9c24-4531a825dae2/bin/ukojak-verify-EEHR8qb7sm/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)