./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_append_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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/list-simple/dll2n_append_unequal.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 b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/list-simple/dll2n_append_unequal.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 b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:41,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:41,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:41,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:41,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:41,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:41,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:41,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:41,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:41,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:41,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:41,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:41,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:41,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:41,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:41,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:41,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:41,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:41,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:41,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:41,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:41,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:41,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:41,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:41,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:41,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:41,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:41,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:41,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:41,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:41,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:41,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:41,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:41,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:41,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:41,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:41,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:41,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:41,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:41,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:41,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:41,536 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:41,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:41,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:41,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:41,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:41,587 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:41,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:41,588 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:41,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:41,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:41,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:41,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:41,592 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:41,592 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:41,593 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:41,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:41,595 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:41,595 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:41,596 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:41,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:41,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:41,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:41,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:41,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:41,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:41,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:41,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:41,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:41,601 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 -> b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 [2019-11-26 00:27:42,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:42,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:42,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:42,163 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:42,164 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:42,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-26 00:27:42,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80769d5ec/ebc607a28a3247368f2135fcbec96af0/FLAGc2282eccf [2019-11-26 00:27:43,552 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:43,555 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-26 00:27:43,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80769d5ec/ebc607a28a3247368f2135fcbec96af0/FLAGc2282eccf [2019-11-26 00:27:43,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80769d5ec/ebc607a28a3247368f2135fcbec96af0 [2019-11-26 00:27:43,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:43,654 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:43,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:43,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:43,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:43,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:43" (1/1) ... [2019-11-26 00:27:43,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:43, skipping insertion in model container [2019-11-26 00:27:43,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:43" (1/1) ... [2019-11-26 00:27:43,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:43,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:44,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:44,783 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:44,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:45,063 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:45,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:45 WrapperNode [2019-11-26 00:27:45,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:45,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:45,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:45,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:45,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:45" (1/1) ... [2019-11-26 00:27:45,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:45" (1/1) ... [2019-11-26 00:27:45,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:45" (1/1) ... [2019-11-26 00:27:45,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:45" (1/1) ... [2019-11-26 00:27:45,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:45" (1/1) ... [2019-11-26 00:27:45,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:45" (1/1) ... [2019-11-26 00:27:45,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:45" (1/1) ... [2019-11-26 00:27:45,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:45,294 INFO L168 Benchmark]: Toolchain (without parser) took 1636.59 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 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:45,301 INFO L168 Benchmark]: CDTParser took 1.67 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. [2019-11-26 00:27:45,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1410.40 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:45,307 INFO L168 Benchmark]: Boogie Preprocessor took 214.14 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:45,321 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67 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 1410.40 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 214.14 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:49,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:49,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:49,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:49,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:49,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:49,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:49,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:49,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:49,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:49,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:49,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:49,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:49,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:49,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:49,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:49,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:49,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:49,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:49,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:49,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:49,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:49,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:49,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:49,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:49,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:49,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:49,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:49,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:49,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:49,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:49,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:49,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:49,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:49,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:49,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:49,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:49,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:49,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:49,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:49,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:49,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:49,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:49,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:49,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:49,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:49,545 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:49,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:49,546 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:49,546 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:49,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:49,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:49,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:49,549 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:49,550 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:49,551 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:49,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:49,552 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:49,554 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:49,554 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:49,554 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:49,555 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:49,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:49,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:49,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:49,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:49,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:49,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:49,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:49,560 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:49,560 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:49,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:49,562 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 -> b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 [2019-11-26 00:27:50,160 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:50,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:50,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:50,204 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:50,208 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:50,210 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-26 00:27:50,389 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5469d7be/867e4ee540784153ba4fe67a6bb4e387/FLAG761d832bf [2019-11-26 00:27:51,645 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:51,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-26 00:27:51,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5469d7be/867e4ee540784153ba4fe67a6bb4e387/FLAG761d832bf [2019-11-26 00:27:51,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5469d7be/867e4ee540784153ba4fe67a6bb4e387 [2019-11-26 00:27:51,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:51,742 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:51,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:51,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:51,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:51,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:51" (1/1) ... [2019-11-26 00:27:51,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16524808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:51, skipping insertion in model container [2019-11-26 00:27:51,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:51" (1/1) ... [2019-11-26 00:27:51,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:51,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:52,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:52,806 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:52,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:53,067 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:53,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:53 WrapperNode [2019-11-26 00:27:53,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:53,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:53,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:53,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:53,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:53" (1/1) ... [2019-11-26 00:27:53,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:53" (1/1) ... [2019-11-26 00:27:53,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:53" (1/1) ... [2019-11-26 00:27:53,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:53" (1/1) ... [2019-11-26 00:27:53,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:53" (1/1) ... [2019-11-26 00:27:53,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:53" (1/1) ... [2019-11-26 00:27:53,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:53" (1/1) ... [2019-11-26 00:27:53,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:53,274 INFO L168 Benchmark]: Toolchain (without parser) took 1527.74 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 962.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:53,275 INFO L168 Benchmark]: CDTParser took 0.54 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. [2019-11-26 00:27:53,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1321.64 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 968.2 MB in the end (delta: -784.0 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:53,284 INFO L168 Benchmark]: Boogie Preprocessor took 197.28 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:53,306 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 1321.64 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 968.2 MB in the end (delta: -784.0 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 197.28 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 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...