./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcat_unsafe.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b --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-d790fec [2024-12-06 05:38:41,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:38:41,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 05:38:41,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:38:41,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:38:41,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:38:41,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:38:41,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:38:41,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:38:41,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:38:41,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:38:41,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:38:41,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:38:41,553 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:38:41,553 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:38:41,553 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:38:41,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:38:41,553 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:38:41,553 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:38:41,553 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:38:41,554 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:38:41,554 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:38:41,554 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:38:41,554 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:38:41,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:38:41,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:38:41,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:38:41,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:38:41,554 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:38:41,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:38:41,555 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_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-06 05:38:41,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:38:41,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:38:41,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:38:41,814 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:38:41,814 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:38:41,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-memsafety/cstrcat_unsafe.c [2024-12-06 05:38:44,452 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/data/a7d91ce1a/d34f479c38794667a5b9380d616b26b0/FLAGd077a3fd0 [2024-12-06 05:38:44,658 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:38:44,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/sv-benchmarks/c/array-memsafety/cstrcat_unsafe.c [2024-12-06 05:38:44,665 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/data/a7d91ce1a/d34f479c38794667a5b9380d616b26b0/FLAGd077a3fd0 [2024-12-06 05:38:45,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/data/a7d91ce1a/d34f479c38794667a5b9380d616b26b0 [2024-12-06 05:38:45,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:38:45,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:38:45,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:38:45,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:38:45,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:38:45,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a3c451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45, skipping insertion in model container [2024-12-06 05:38:45,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:38:45,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:38:45,179 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:38:45,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:38:45,202 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:38:45,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45 WrapperNode [2024-12-06 05:38:45,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:38:45,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:38:45,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:38:45,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:38:45,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,229 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2024-12-06 05:38:45,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:38:45,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:38:45,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:38:45,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:38:45,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,240 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:38:45,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:38:45,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:38:45,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:38:45,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:38:45,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:38:45,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:38:45,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:38:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:38:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:38:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:38:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:38:45,365 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:38:45,367 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:38:45,493 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-06 05:38:45,493 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:38:45,518 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:38:45,519 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:38:45,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:38:45 BoogieIcfgContainer [2024-12-06 05:38:45,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:38:45,520 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:38:45,520 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:38:45,530 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:38:45,530 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:38:45" (1/1) ... [2024-12-06 05:38:45,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:38:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:38:45,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 05:38:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 05:38:45,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:38:45,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:38:45,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:38:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:38:45,665 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:38:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:38:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:38:45,695 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:38:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:38:45,709 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:38:45,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:38:45 ImpRootNode [2024-12-06 05:38:45,727 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:38:45,727 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:38:45,727 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:38:45,728 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:38:45,728 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:38:45" (3/4) ... [2024-12-06 05:38:45,729 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:38:45,758 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-12-06 05:38:45,788 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:38:45,788 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:38:45,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:38:45,789 INFO L158 Benchmark]: Toolchain (without parser) took 763.56ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 80.3MB in the end (delta: 37.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 05:38:45,790 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:38:45,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.33ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 107.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:38:45,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.07ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:38:45,791 INFO L158 Benchmark]: Boogie Preprocessor took 16.63ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.9MB in the end (delta: 837.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:38:45,791 INFO L158 Benchmark]: RCFGBuilder took 272.20ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 93.9MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:38:45,792 INFO L158 Benchmark]: CodeCheck took 207.00ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 84.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:38:45,792 INFO L158 Benchmark]: Witness Printer took 61.28ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 80.3MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:38:45,794 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, ConComCheckerStatistics: 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={2:3}, s={2:3}] [L5] \read(*s) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.33ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 107.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.07ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.63ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.9MB in the end (delta: 837.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 272.20ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 93.9MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 207.00ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 84.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 61.28ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 80.3MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:38:45,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b3c8c2b-3805-433c-85df-03e75b6dcb65/bin/ukojak-verify-CZk0znPC7b/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)