./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.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 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-ext3-properties/sll_circular_traversal-1.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 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:45:51,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:51,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:51,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:51,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:51,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:51,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:51,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:51,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:51,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:51,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:51,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:51,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:51,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:51,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:51,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:51,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:51,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:51,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:51,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:51,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:51,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:51,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:51,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:51,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:51,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:51,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:51,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:51,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:51,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:51,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:51,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:51,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:51,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:51,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:51,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:51,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:51,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:51,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:51,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:51,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:51,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:51,462 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:51,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:51,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:51,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:51,471 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:51,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:51,472 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:51,472 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:51,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:51,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:51,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:51,475 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:51,477 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:51,477 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:51,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:51,478 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:51,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:51,479 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:51,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:51,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:51,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:51,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:51,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:51,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:51,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:51,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:51,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:51,485 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 -> 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 [2019-11-27 17:45:52,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:52,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:52,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:52,067 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:52,068 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:52,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-27 17:45:52,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdc7508bd/1cede712c91843758149b832f3270eb9/FLAG9d6ba3532 [2019-11-27 17:45:53,261 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:53,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-27 17:45:53,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdc7508bd/1cede712c91843758149b832f3270eb9/FLAG9d6ba3532 [2019-11-27 17:45:53,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdc7508bd/1cede712c91843758149b832f3270eb9 [2019-11-27 17:45:53,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:53,348 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:53,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:53,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:53,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:53,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:53" (1/1) ... [2019-11-27 17:45:53,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9523cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:53, skipping insertion in model container [2019-11-27 17:45:53,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:53" (1/1) ... [2019-11-27 17:45:53,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:53,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:54,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:54,391 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:54,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:54,641 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:54,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54 WrapperNode [2019-11-27 17:45:54,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:54,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:54,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:54,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:54,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:54,858 INFO L168 Benchmark]: Toolchain (without parser) took 1497.35 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 974.0 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:54,859 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:54,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1294.15 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 974.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:54,863 INFO L168 Benchmark]: Boogie Preprocessor took 192.60 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:54,870 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 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 1294.15 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 974.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 192.60 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:45:58,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:58,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:58,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:58,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:58,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:58,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:58,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:58,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:58,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:58,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:58,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:58,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:58,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:58,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:58,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:58,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:58,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:58,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:58,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:58,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:58,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:58,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:58,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:58,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:58,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:58,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:58,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:58,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:58,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:58,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:58,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:58,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:58,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:58,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:58,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:58,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:58,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:58,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:58,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:58,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:58,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:58,819 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:58,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:58,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:58,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:58,826 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:58,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:58,829 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:58,829 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:58,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:58,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:58,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:58,832 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:58,832 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:58,833 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:58,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:58,834 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:58,834 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:58,834 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:58,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:58,836 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:58,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:58,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:58,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:58,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:58,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:58,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:58,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:58,842 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:58,843 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:58,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:58,844 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 -> 15c2a0dbf98e8d278e41c47d311b6d4dc752a8f7 [2019-11-27 17:45:59,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:59,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:59,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:59,500 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:59,500 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:59,503 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-27 17:45:59,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4a56fbe8/5be9a80eaf6045b9acfd4f07adc612ec/FLAGc5697089e [2019-11-27 17:46:00,851 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:00,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2019-11-27 17:46:00,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4a56fbe8/5be9a80eaf6045b9acfd4f07adc612ec/FLAGc5697089e [2019-11-27 17:46:01,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4a56fbe8/5be9a80eaf6045b9acfd4f07adc612ec [2019-11-27 17:46:01,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:01,374 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:01,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:01,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:01,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:01,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:01" (1/1) ... [2019-11-27 17:46:01,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1ff36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:01, skipping insertion in model container [2019-11-27 17:46:01,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:01" (1/1) ... [2019-11-27 17:46:01,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:01,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:02,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:02,449 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:02,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:02,743 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:02,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:02 WrapperNode [2019-11-27 17:46:02,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:02,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:02,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:02,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:02,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:02" (1/1) ... [2019-11-27 17:46:02,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:02" (1/1) ... [2019-11-27 17:46:02,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:02" (1/1) ... [2019-11-27 17:46:02,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:02" (1/1) ... [2019-11-27 17:46:02,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:02" (1/1) ... [2019-11-27 17:46:02,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:02" (1/1) ... [2019-11-27 17:46:02,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:02" (1/1) ... [2019-11-27 17:46:02,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:02,976 INFO L168 Benchmark]: Toolchain (without parser) took 1596.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.6 MB in the beginning and 968.2 MB in the end (delta: -3.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:02,981 INFO L168 Benchmark]: CDTParser took 2.14 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. [2019-11-27 17:46:02,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1361.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.6 MB in the beginning and 974.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:02,988 INFO L168 Benchmark]: Boogie Preprocessor took 220.25 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:03,001 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.14 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 1361.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.6 MB in the beginning and 974.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 220.25 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.2 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...