./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcat_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_fe15493b-d404-40c6-8486-58a77cd89857/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe15493b-d404-40c6-8486-58a77cd89857/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_fe15493b-d404-40c6-8486-58a77cd89857/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe15493b-d404-40c6-8486-58a77cd89857/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcat_unsafe.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe15493b-d404-40c6-8486-58a77cd89857/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_fe15493b-d404-40c6-8486-58a77cd89857/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 f35e4091ba483da9f0b2bb24c6ab92803922823d78b3627798806ae597763363 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:57:14,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:57:14,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe15493b-d404-40c6-8486-58a77cd89857/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 16:57:14,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:57:14,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:57:14,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:57:14,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:57:14,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:57:14,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:57:14,672 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:57:14,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:57:14,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:57:14,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:57:14,672 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:57:14,673 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:57:14,673 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 16:57:14,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:57:14,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:57:14,673 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:57:14,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:57:14,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:57:14,674 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:57:14,674 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:57:14,674 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:57:14,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:57:14,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:14,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:57:14,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:57:14,675 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:57:14,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:57:14,675 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_fe15493b-d404-40c6-8486-58a77cd89857/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 -> f35e4091ba483da9f0b2bb24c6ab92803922823d78b3627798806ae597763363 [2024-11-13 16:57:14,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:57:14,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:57:14,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:57:14,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:57:14,971 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:57:14,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe15493b-d404-40c6-8486-58a77cd89857/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-memsafety/cstrcat_unsafe.c Unable to find full path for "g++" [2024-11-13 16:57:16,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:57:17,214 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:57:17,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe15493b-d404-40c6-8486-58a77cd89857/sv-benchmarks/c/array-memsafety/cstrcat_unsafe.c [2024-11-13 16:57:17,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe15493b-d404-40c6-8486-58a77cd89857/bin/ukojak-verify-EEHR8qb7sm/data/58c17f0bc/83f5b3f95f394470a9d34f72ece21115/FLAG22c19f1e6 [2024-11-13 16:57:17,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe15493b-d404-40c6-8486-58a77cd89857/bin/ukojak-verify-EEHR8qb7sm/data/58c17f0bc/83f5b3f95f394470a9d34f72ece21115 [2024-11-13 16:57:17,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:57:17,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:57:17,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:17,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:57:17,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:57:17,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:17,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189d7dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:17, skipping insertion in model container [2024-11-13 16:57:17,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:17,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:57:17,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:17,485 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:57:17,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:17,512 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:57:17,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:17 WrapperNode [2024-11-13 16:57:17,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:17,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:17,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:57:17,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:57:17,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:17,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:17,558 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2024-11-13 16:57:17,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:17,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:57:17,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:57:17,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:57:17,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:17,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:17,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:17,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:17,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:17,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:17,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:17,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:17,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:57:17,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:57:17,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:57:17,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:57:17,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:17,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:17,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe15493b-d404-40c6-8486-58a77cd89857/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:57:17,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe15493b-d404-40c6-8486-58a77cd89857/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:57:17,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe15493b-d404-40c6-8486-58a77cd89857/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:57:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:57:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:57:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:57:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:57:17,789 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:57:17,792 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:57:17,974 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 16:57:17,974 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:57:17,995 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:57:17,998 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:57:17,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:17 BoogieIcfgContainer [2024-11-13 16:57:17,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:57:18,000 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:57:18,000 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:57:18,011 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:57:18,011 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:17" (1/1) ... [2024-11-13 16:57:18,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:57:18,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:18,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 16:57:18,080 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 16:57:18,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 16:57:18,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:18,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:18,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:57:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:18,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:57:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:18,269 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:57:18,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:57:18 ImpRootNode [2024-11-13 16:57:18,293 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:57:18,295 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:57:18,295 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:57:18,295 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:57:18,296 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:17" (3/4) ... [2024-11-13 16:57:18,297 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 16:57:18,334 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe15493b-d404-40c6-8486-58a77cd89857/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:57:18,337 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:57:18,341 INFO L158 Benchmark]: Toolchain (without parser) took 1059.96ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 59.1MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:57:18,341 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:18,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.46ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 83.5MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:57:18,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.14ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.7MB in the end (delta: 845.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:18,342 INFO L158 Benchmark]: Boogie Preprocessor took 27.31ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.9MB in the end (delta: 398.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:18,343 INFO L158 Benchmark]: RCFGBuilder took 410.86ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 70.3MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:57:18,343 INFO L158 Benchmark]: CodeCheck took 293.29ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 60.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:57:18,344 INFO L158 Benchmark]: Witness Printer took 42.82ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 59.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:18,346 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, 17 locations, 7 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, 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 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L15] char *s1; [L16] char *s2; [L17] CALL cstrcat(s1, s2) [L3] char *s = s1; VAL [s1={3:2}, s={3:2}] [L5] \read(*s) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.46ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 83.5MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.14ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.7MB in the end (delta: 845.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.31ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.9MB in the end (delta: 398.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.86ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 70.3MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 293.29ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 60.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 42.82ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 59.1MB 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 16:57:18,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe15493b-d404-40c6-8486-58a77cd89857/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)