./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcat_unsafe.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 22:31:35,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:31:35,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 22:31:35,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:31:35,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:31:35,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:31:35,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:31:35,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:31:35,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:31:35,971 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:31:35,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:31:35,972 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:31:35,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:31:35,973 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:31:35,974 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:31:35,975 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 22:31:35,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:31:35,976 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:31:35,976 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:31:35,977 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:31:35,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:31:35,978 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:31:35,979 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:31:35,979 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:31:35,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:31:35,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:31:35,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:31:35,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:31:35,982 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:31:35,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:31:35,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f35e4091ba483da9f0b2bb24c6ab92803922823d78b3627798806ae597763363 [2024-11-08 22:31:36,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:31:36,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:31:36,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:31:36,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:31:36,304 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:31:36,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-memsafety/cstrcat_unsafe.c Unable to find full path for "g++" [2024-11-08 22:31:38,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:31:38,701 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:31:38,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/sv-benchmarks/c/array-memsafety/cstrcat_unsafe.c [2024-11-08 22:31:38,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/data/a6840062d/fb3c3b511fc7440d8d3ba6b40e35855e/FLAG9577a916a [2024-11-08 22:31:38,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/data/a6840062d/fb3c3b511fc7440d8d3ba6b40e35855e [2024-11-08 22:31:38,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:31:38,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:31:38,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:31:38,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:31:38,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:31:38,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:31:38" (1/1) ... [2024-11-08 22:31:38,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70825869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:31:38, skipping insertion in model container [2024-11-08 22:31:38,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:31:38" (1/1) ... [2024-11-08 22:31:38,763 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:31:38,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:31:38,970 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:31:38,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:31:39,004 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:31:39,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:31:39 WrapperNode [2024-11-08 22:31:39,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:31:39,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:31:39,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:31:39,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:31:39,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:31:39" (1/1) ... [2024-11-08 22:31:39,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:31:39" (1/1) ... [2024-11-08 22:31:39,044 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2024-11-08 22:31:39,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:31:39,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:31:39,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:31:39,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:31:39,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:31:39" (1/1) ... [2024-11-08 22:31:39,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:31:39" (1/1) ... [2024-11-08 22:31:39,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:31:39" (1/1) ... [2024-11-08 22:31:39,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:31:39" (1/1) ... [2024-11-08 22:31:39,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:31:39" (1/1) ... [2024-11-08 22:31:39,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:31:39" (1/1) ... [2024-11-08 22:31:39,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:31:39" (1/1) ... [2024-11-08 22:31:39,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:31:39" (1/1) ... [2024-11-08 22:31:39,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:31:39,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:31:39,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:31:39,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:31:39,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:31:39" (1/1) ... [2024-11-08 22:31:39,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:31:39,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:31:39,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:31:39,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:31:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:31:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:31:39,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:31:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:31:39,278 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:31:39,281 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:31:39,444 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-08 22:31:39,444 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:31:39,509 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:31:39,510 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:31:39,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:31:39 BoogieIcfgContainer [2024-11-08 22:31:39,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:31:39,512 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:31:39,512 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:31:39,524 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:31:39,525 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:31:39" (1/1) ... [2024-11-08 22:31:39,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:31:39,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:39,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-08 22:31:39,623 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-08 22:31:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 22:31:39,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:39,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:31:39,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:31:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:31:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:31:39,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:31:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:31:39,827 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:31:39,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:31:39 ImpRootNode [2024-11-08 22:31:39,863 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:31:39,864 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:31:39,864 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:31:39,864 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:31:39,865 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:31:39" (3/4) ... [2024-11-08 22:31:39,866 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:31:39,920 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:31:39,921 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:31:39,923 INFO L158 Benchmark]: Toolchain (without parser) took 1191.53ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 81.6MB in the beginning and 119.2MB in the end (delta: -37.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-08 22:31:39,924 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 119.5MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:31:39,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.34ms. Allocated memory is still 119.5MB. Free memory was 81.2MB in the beginning and 69.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:31:39,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.01ms. Allocated memory is still 119.5MB. Free memory was 69.6MB in the beginning and 68.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:31:39,927 INFO L158 Benchmark]: Boogie Preprocessor took 38.11ms. Allocated memory is still 119.5MB. Free memory was 68.3MB in the beginning and 67.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:31:39,929 INFO L158 Benchmark]: RCFGBuilder took 425.43ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 66.9MB in the beginning and 128.6MB in the end (delta: -61.7MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-08 22:31:39,930 INFO L158 Benchmark]: CodeCheck took 350.75ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 120.5MB in the end (delta: 8.0MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-11-08 22:31:39,931 INFO L158 Benchmark]: Witness Printer took 57.72ms. Allocated memory is still 159.4MB. Free memory was 120.5MB in the beginning and 119.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:31:39,935 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 0.40ms. Allocated memory is still 119.5MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.34ms. Allocated memory is still 119.5MB. Free memory was 81.2MB in the beginning and 69.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.01ms. Allocated memory is still 119.5MB. Free memory was 69.6MB in the beginning and 68.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.11ms. Allocated memory is still 119.5MB. Free memory was 68.3MB in the beginning and 67.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.43ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 66.9MB in the beginning and 128.6MB in the end (delta: -61.7MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * CodeCheck took 350.75ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 120.5MB in the end (delta: 8.0MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Witness Printer took 57.72ms. Allocated memory is still 159.4MB. Free memory was 120.5MB in the beginning and 119.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:31:39,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82d4255e-4272-4dbf-8609-a9360872c88e/bin/ukojak-verify-ImItNfHLgk/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)