./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncat_unsafe_false-valid-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncat_unsafe_false-valid-deref.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --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 ead5f421f9d611f4b4a72e6a7fba37c936b2240c ................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:39:55,500 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:39:55,501 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:39:55,507 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:39:55,508 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:39:55,508 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:39:55,509 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:39:55,510 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:39:55,511 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:39:55,512 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:39:55,512 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:39:55,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:39:55,513 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:39:55,514 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:39:55,515 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:39:55,515 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:39:55,516 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:39:55,517 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:39:55,519 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:39:55,520 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:39:55,521 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:39:55,521 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:39:55,523 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:39:55,523 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:39:55,524 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:39:55,524 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:39:55,525 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:39:55,526 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:39:55,526 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:39:55,527 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:39:55,527 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:39:55,527 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:39:55,527 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:39:55,528 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:39:55,528 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:39:55,529 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:39:55,529 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-11-18 09:39:55,537 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:39:55,537 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:39:55,538 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:39:55,539 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:39:55,539 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:39:55,539 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:39:55,539 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:39:55,539 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:39:55,539 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:39:55,539 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:39:55,540 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 09:39:55,540 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 09:39:55,540 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 09:39:55,540 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:39:55,540 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:39:55,540 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:39:55,540 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:39:55,541 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:39:55,541 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:39:55,541 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:39:55,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:39:55,541 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:39:55,541 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:39:55,541 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:39:55,542 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:39:55,542 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml 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 -> ead5f421f9d611f4b4a72e6a7fba37c936b2240c [2018-11-18 09:39:55,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:39:55,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:39:55,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:39:55,581 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:39:55,581 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:39:55,582 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/cstrncat_unsafe_false-valid-deref.i [2018-11-18 09:39:55,633 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak/data/66263f638/800340f5164d4d8cb31dc1cdd840e33a/FLAGc3140e42b [2018-11-18 09:39:55,989 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:39:55,990 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/sv-benchmarks/c/array-memsafety/cstrncat_unsafe_false-valid-deref.i [2018-11-18 09:39:55,994 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak/data/66263f638/800340f5164d4d8cb31dc1cdd840e33a/FLAGc3140e42b [2018-11-18 09:39:56,005 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak/data/66263f638/800340f5164d4d8cb31dc1cdd840e33a [2018-11-18 09:39:56,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:39:56,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:39:56,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:39:56,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:39:56,012 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:39:56,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:39:56" (1/1) ... [2018-11-18 09:39:56,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36486ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:56, skipping insertion in model container [2018-11-18 09:39:56,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:39:56" (1/1) ... [2018-11-18 09:39:56,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:39:56,034 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:39:56,153 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:39:56,161 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:39:56,172 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:39:56,183 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:39:56,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:56 WrapperNode [2018-11-18 09:39:56,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:39:56,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:39:56,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:39:56,184 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:39:56,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:56" (1/1) ... [2018-11-18 09:39:56,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:56" (1/1) ... [2018-11-18 09:39:56,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:39:56,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:39:56,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:39:56,216 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:39:56,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:56" (1/1) ... [2018-11-18 09:39:56,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:56" (1/1) ... [2018-11-18 09:39:56,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:56" (1/1) ... [2018-11-18 09:39:56,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:56" (1/1) ... [2018-11-18 09:39:56,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:56" (1/1) ... [2018-11-18 09:39:56,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:56" (1/1) ... [2018-11-18 09:39:56,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:56" (1/1) ... [2018-11-18 09:39:56,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:39:56,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:39:56,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:39:56,234 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:39:56,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:39:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 09:39:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:39:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:39:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:39:56,551 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:39:56,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:39:56 BoogieIcfgContainer [2018-11-18 09:39:56,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:39:56,553 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:39:56,553 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:39:56,561 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:39:56,561 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:39:56" (1/1) ... [2018-11-18 09:39:56,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:56,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:39:56,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2018-11-18 09:39:56,590 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2018-11-18 09:39:56,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 09:39:56,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:39:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:39:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:39:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:39:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:39:56,717 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 09:39:56,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:39:56 ImpRootNode [2018-11-18 09:39:56,736 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:39:56,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:39:56,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:39:56,737 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:39:56,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:39:56" (3/4) ... [2018-11-18 09:39:56,739 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 09:39:56,769 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bad48100-cf15-47fe-a232-01ffd941cc6b/bin-2019/ukojak/witness.graphml [2018-11-18 09:39:56,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:39:56,770 INFO L168 Benchmark]: Toolchain (without parser) took 762.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:56,771 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:39:56,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.04 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:56,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.84 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:56,773 INFO L168 Benchmark]: Boogie Preprocessor took 17.90 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:39:56,773 INFO L168 Benchmark]: RCFGBuilder took 318.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:56,773 INFO L168 Benchmark]: CodeCheck took 183.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:56,774 INFO L168 Benchmark]: Witness Printer took 32.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:56,777 INFO L336 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, 31 locations, 11 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, 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, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 5]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L16] char *s1; [L17] char *s2; [L18] int n = __VERIFIER_nondet_int(); [L19] CALL cstrncat(s1, s2, n) [L4] char *s = s1; [L5] FCALL \read(*s) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.04 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.84 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.90 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 318.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * CodeCheck took 183.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Witness Printer took 32.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...