./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/cstrncpy_unsafe.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 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/cstrncpy_unsafe.c -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 41f0468d692f5518317d4661ccff168131d2a4eb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/cstrncpy_unsafe.c -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 41f0468d692f5518317d4661ccff168131d2a4eb .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:20:29,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:29,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:29,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:29,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:29,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:29,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:29,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:29,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:29,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:29,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:29,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:29,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:29,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:29,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:29,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:29,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:29,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:29,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:29,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:29,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:29,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:29,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:29,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:29,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:29,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:29,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:29,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:29,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:29,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:29,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:29,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:29,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:29,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:29,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:29,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:29,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:29,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:29,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:29,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:29,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:29,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:20:29,447 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:29,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:29,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:29,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:29,455 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:29,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:29,456 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:29,456 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:29,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:29,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:29,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:29,459 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:29,461 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:29,461 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:29,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:29,462 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:29,463 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:29,463 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:29,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:29,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:29,466 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:29,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:29,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:29,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:29,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:29,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:20:29,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:20:29,471 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 -> 41f0468d692f5518317d4661ccff168131d2a4eb [2019-11-24 22:20:30,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:30,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:30,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:30,112 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:30,117 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:30,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncpy_unsafe.c [2019-11-24 22:20:30,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32297533/420ba967e98243cca1a72a6c745cc5d6/FLAGad6a9f2b1 [2019-11-24 22:20:31,340 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:31,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncpy_unsafe.c [2019-11-24 22:20:31,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32297533/420ba967e98243cca1a72a6c745cc5d6/FLAGad6a9f2b1 [2019-11-24 22:20:31,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32297533/420ba967e98243cca1a72a6c745cc5d6 [2019-11-24 22:20:31,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:31,410 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:31,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:31,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:31,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:31,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:31" (1/1) ... [2019-11-24 22:20:31,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:31, skipping insertion in model container [2019-11-24 22:20:31,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:31" (1/1) ... [2019-11-24 22:20:31,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:31,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:31,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:31,948 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:31,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:32,009 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:32,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32 WrapperNode [2019-11-24 22:20:32,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:32,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:32,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:32,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:32,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:32" (1/1) ... [2019-11-24 22:20:32,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:32,215 INFO L168 Benchmark]: Toolchain (without parser) took 799.09 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 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:32,227 INFO L168 Benchmark]: CDTParser took 3.05 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. [2019-11-24 22:20:32,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.07 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:32,233 INFO L168 Benchmark]: Boogie Preprocessor took 184.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:32,244 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.05 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 607.07 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 184.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 9.2 MB. 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 0.1.24-32f2683 [2019-11-24 22:20:36,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:36,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:36,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:36,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:36,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:36,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:36,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:36,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:36,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:36,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:36,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:36,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:36,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:36,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:36,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:36,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:36,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:36,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:36,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:36,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:36,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:36,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:36,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:36,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:36,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:36,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:36,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:36,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:36,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:36,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:36,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:36,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:36,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:36,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:36,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:36,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:36,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:36,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:36,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:36,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:36,230 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:20:36,272 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:36,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:36,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:36,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:36,280 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:36,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:36,281 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:36,282 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:36,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:36,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:36,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:36,287 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:36,287 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:36,288 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:36,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:36,289 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:36,289 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:20:36,289 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:20:36,291 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:36,291 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:36,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:36,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:36,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:36,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:36,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:36,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:36,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:36,295 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:20:36,296 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:20:36,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:20:36,299 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 -> 41f0468d692f5518317d4661ccff168131d2a4eb [2019-11-24 22:20:36,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:36,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:36,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:36,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:36,930 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:36,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncpy_unsafe.c [2019-11-24 22:20:37,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e078f9c7b/974cb0af76354d93a14033210dc64e37/FLAG1f06ef0ef [2019-11-24 22:20:38,152 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:38,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncpy_unsafe.c [2019-11-24 22:20:38,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e078f9c7b/974cb0af76354d93a14033210dc64e37/FLAG1f06ef0ef [2019-11-24 22:20:38,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e078f9c7b/974cb0af76354d93a14033210dc64e37 [2019-11-24 22:20:38,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:38,221 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:38,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:38,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:38,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:38,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:38,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4437ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38, skipping insertion in model container [2019-11-24 22:20:38,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:38,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:38,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:38,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:38,780 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:38,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:38,873 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:38,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38 WrapperNode [2019-11-24 22:20:38,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:38,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:38,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:38,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:38,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:38,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:39,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:39,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:39,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:39,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:39,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:38" (1/1) ... [2019-11-24 22:20:39,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:39,103 INFO L168 Benchmark]: Toolchain (without parser) took 876.34 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 991.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:39,107 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. [2019-11-24 22:20:39,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.02 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:39,111 INFO L168 Benchmark]: Boogie Preprocessor took 216.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:39,121 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 654.02 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 216.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...