./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 170d05f666fe960395aa4fb943b7fdfa4284d519 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 170d05f666fe960395aa4fb943b7fdfa4284d519 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:42:44,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:42:44,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:42:44,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:42:44,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:42:44,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:42:44,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:42:44,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:42:44,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:42:44,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:42:44,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:42:44,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:42:44,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:42:44,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:42:44,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:42:44,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:42:44,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:42:44,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:42:44,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:42:44,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:42:44,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:42:44,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:42:44,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:42:44,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:42:44,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:42:44,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:42:44,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:42:44,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:42:44,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:42:44,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:42:44,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:42:44,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:42:44,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:42:44,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:42:44,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:42:44,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:42:44,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:42:44,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:42:44,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:42:44,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:42:44,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:42:44,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:42:44,689 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:42:44,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:42:44,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:42:44,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:42:44,696 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:42:44,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:42:44,698 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:42:44,699 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:42:44,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:42:44,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:42:44,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:42:44,703 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:42:44,704 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:42:44,704 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:42:44,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:42:44,706 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:42:44,706 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:42:44,707 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:42:44,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:42:44,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:42:44,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:42:44,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:42:44,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:42:44,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:42:44,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:42:44,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:42:44,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:42:44,713 INFO L138 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 170d05f666fe960395aa4fb943b7fdfa4284d519 [2019-11-27 17:42:45,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:42:45,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:42:45,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:42:45,429 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:42:45,431 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:42:45,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2019-11-27 17:42:45,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13fe840cb/889bdf2375bc4f63af872d9013b2436c/FLAG3905ec76e [2019-11-27 17:42:46,848 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:42:46,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2019-11-27 17:42:46,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13fe840cb/889bdf2375bc4f63af872d9013b2436c/FLAG3905ec76e [2019-11-27 17:42:46,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13fe840cb/889bdf2375bc4f63af872d9013b2436c [2019-11-27 17:42:46,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:42:46,943 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:42:46,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:46,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:42:46,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:42:46,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:46" (1/1) ... [2019-11-27 17:42:46,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:46, skipping insertion in model container [2019-11-27 17:42:46,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:46" (1/1) ... [2019-11-27 17:42:46,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:42:47,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:42:48,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:48,036 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:42:48,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:48,293 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:42:48,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48 WrapperNode [2019-11-27 17:42:48,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:48,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:42:48,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:42:48,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:42:48,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:42:48,499 INFO L168 Benchmark]: Toolchain (without parser) took 1551.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:48,500 INFO L168 Benchmark]: CDTParser took 2.15 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:48,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1348.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:42:48,507 INFO L168 Benchmark]: Boogie Preprocessor took 193.34 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:48,517 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.15 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1348.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 193.34 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:42:52,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:42:52,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:42:52,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:42:52,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:42:52,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:42:52,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:42:52,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:42:52,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:42:52,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:42:52,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:42:52,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:42:52,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:42:52,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:42:52,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:42:52,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:42:52,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:42:52,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:42:52,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:42:52,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:42:52,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:42:52,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:42:52,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:42:52,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:42:52,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:42:52,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:42:52,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:42:52,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:42:52,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:42:52,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:42:52,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:42:52,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:42:52,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:42:52,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:42:52,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:42:52,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:42:52,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:42:52,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:42:52,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:42:52,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:42:52,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:42:52,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:42:52,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:42:52,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:42:52,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:42:52,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:42:52,641 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:42:52,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:42:52,644 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:42:52,645 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:42:52,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:42:52,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:42:52,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:42:52,647 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:42:52,649 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:42:52,649 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:42:52,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:42:52,650 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:42:52,652 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:42:52,652 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:42:52,652 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:42:52,653 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:42:52,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:42:52,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:42:52,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:42:52,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:42:52,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:42:52,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:42:52,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:42:52,658 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:42:52,658 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:42:52,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:42:52,661 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 170d05f666fe960395aa4fb943b7fdfa4284d519 [2019-11-27 17:42:53,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:42:53,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:42:53,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:42:53,279 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:42:53,281 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:42:53,284 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2019-11-27 17:42:53,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df4c8b56/bef67b0094fe4f60803f12dba009a124/FLAG6eef6bd82 [2019-11-27 17:42:54,657 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:42:54,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2019-11-27 17:42:54,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df4c8b56/bef67b0094fe4f60803f12dba009a124/FLAG6eef6bd82 [2019-11-27 17:42:54,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df4c8b56/bef67b0094fe4f60803f12dba009a124 [2019-11-27 17:42:54,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:42:54,774 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:42:54,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:54,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:42:54,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:42:54,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:54" (1/1) ... [2019-11-27 17:42:54,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:54, skipping insertion in model container [2019-11-27 17:42:54,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:54" (1/1) ... [2019-11-27 17:42:54,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:42:54,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:42:55,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:55,827 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:42:55,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:56,091 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:42:56,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56 WrapperNode [2019-11-27 17:42:56,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:56,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:42:56,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:42:56,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:42:56,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:42:56,287 INFO L168 Benchmark]: Toolchain (without parser) took 1513.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.4 MB in the end (delta: -10.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:56,291 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:56,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1309.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.1 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:42:56,297 INFO L168 Benchmark]: Boogie Preprocessor took 183.19 ms. Allocated memory is still 1.0 GB. Free memory was 978.1 MB in the beginning and 972.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:42:56,318 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1309.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.1 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 183.19 ms. Allocated memory is still 1.0 GB. Free memory was 978.1 MB in the beginning and 972.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...