./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/substring-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c6eb4584 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/substring-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 6e748b563bb7a11726b28f7957ce1a00b7c8807b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 22:18:50,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:18:50,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:18:50,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:18:50,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:18:50,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:18:50,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:18:50,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:18:50,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:18:50,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:18:50,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:18:50,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:18:50,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:18:50,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:18:50,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:18:50,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:18:50,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:18:50,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:18:50,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:18:50,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:18:50,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:18:50,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:18:50,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:18:50,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:18:50,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:18:50,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:18:50,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:18:50,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:18:50,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:18:50,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:18:50,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:18:50,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:18:50,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:18:50,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:18:50,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:18:50,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:18:50,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:18:50,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:18:50,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:18:50,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:18:50,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:18:50,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 22:18:50,671 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:18:50,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:18:50,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:18:50,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:18:50,679 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:18:50,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:18:50,681 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:18:50,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:18:50,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:18:50,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:18:50,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:18:50,685 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 22:18:50,685 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 22:18:50,686 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 22:18:50,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:18:50,688 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:18:50,688 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:18:50,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:18:50,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:18:50,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:18:50,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:18:50,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:18:50,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:18:50,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:18:50,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:18:50,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:18:50,694 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 -> 6e748b563bb7a11726b28f7957ce1a00b7c8807b [2019-11-16 22:18:51,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:18:51,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:18:51,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:18:51,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:18:51,297 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:18:51,298 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2019-11-16 22:18:51,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/625092566/790a93cf1f1a406ea7f510eb7916fc9d/FLAG3349b4653 [2019-11-16 22:18:52,681 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:18:52,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2019-11-16 22:18:52,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/625092566/790a93cf1f1a406ea7f510eb7916fc9d/FLAG3349b4653 [2019-11-16 22:18:52,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/625092566/790a93cf1f1a406ea7f510eb7916fc9d [2019-11-16 22:18:52,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:18:52,780 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-16 22:18:52,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:18:52,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:18:52,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:18:52,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:18:52" (1/1) ... [2019-11-16 22:18:52,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9e112b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:52, skipping insertion in model container [2019-11-16 22:18:52,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:18:52" (1/1) ... [2019-11-16 22:18:52,822 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:18:52,927 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:18:53,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:18:53,858 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:18:53,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:18:54,108 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:18:54,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:54 WrapperNode [2019-11-16 22:18:54,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:18:54,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:18:54,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:18:54,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:18:54,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:54" (1/1) ... [2019-11-16 22:18:54,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:54" (1/1) ... [2019-11-16 22:18:54,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:54" (1/1) ... [2019-11-16 22:18:54,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:54" (1/1) ... [2019-11-16 22:18:54,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:54" (1/1) ... [2019-11-16 22:18:54,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:54" (1/1) ... [2019-11-16 22:18:54,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:54" (1/1) ... [2019-11-16 22:18:54,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:18:54,321 INFO L168 Benchmark]: Toolchain (without parser) took 1530.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.3 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:18:54,323 INFO L168 Benchmark]: CDTParser took 1.72 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:18:54,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1331.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.3 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:18:54,329 INFO L168 Benchmark]: Boogie Preprocessor took 190.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:18:54,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1331.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.3 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 190.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 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...