./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-sorted-2.i --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/forester-heap/dll-sorted-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 614aedb1ca0b3c75ba5d43ccd1ce8931602b4981 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/forester-heap/dll-sorted-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 614aedb1ca0b3c75ba5d43ccd1ce8931602b4981 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:22:49,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:22:49,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:22:49,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:22:49,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:22:49,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:22:49,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:22:49,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:22:49,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:22:49,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:22:49,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:22:49,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:22:49,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:22:49,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:22:49,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:22:49,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:22:49,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:22:49,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:22:49,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:22:49,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:22:49,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:22:49,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:22:49,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:22:49,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:22:49,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:22:49,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:22:49,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:22:49,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:22:49,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:22:49,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:22:49,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:22:49,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:22:49,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:22:49,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:22:49,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:22:49,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:22:49,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:22:49,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:22:49,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:22:49,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:22:49,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:22:49,717 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:22:49,756 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:22:49,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:22:49,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:22:49,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:22:49,762 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:22:49,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:22:49,762 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:22:49,763 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:22:49,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:22:49,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:22:49,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:22:49,766 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:22:49,768 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:22:49,768 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:22:49,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:22:49,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:22:49,770 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:22:49,770 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:22:49,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:22:49,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:22:49,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:22:49,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:22:49,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:22:49,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:22:49,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:22:49,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:22:49,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:22:49,778 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 -> 614aedb1ca0b3c75ba5d43ccd1ce8931602b4981 [2019-11-24 22:22:50,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:22:50,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:22:50,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:22:50,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:22:50,420 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:22:50,421 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-24 22:22:50,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bacf6c29/442275dbd87443f3816d4c56d3fdf3c3/FLAGc42fef550 [2019-11-24 22:22:51,744 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:22:51,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-24 22:22:51,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bacf6c29/442275dbd87443f3816d4c56d3fdf3c3/FLAGc42fef550 [2019-11-24 22:22:51,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bacf6c29/442275dbd87443f3816d4c56d3fdf3c3 [2019-11-24 22:22:51,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:22:51,831 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:22:51,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:22:51,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:22:51,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:22:51,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:51" (1/1) ... [2019-11-24 22:22:51,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59933dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:51, skipping insertion in model container [2019-11-24 22:22:51,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:51" (1/1) ... [2019-11-24 22:22:51,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:22:51,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:22:52,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:22:52,939 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:22:53,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:22:53,214 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:22:53,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:53 WrapperNode [2019-11-24 22:22:53,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:22:53,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:22:53,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:22:53,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:22:53,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:53" (1/1) ... [2019-11-24 22:22:53,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:53" (1/1) ... [2019-11-24 22:22:53,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:53" (1/1) ... [2019-11-24 22:22:53,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:53" (1/1) ... [2019-11-24 22:22:53,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:53" (1/1) ... [2019-11-24 22:22:53,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:53" (1/1) ... [2019-11-24 22:22:53,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:53" (1/1) ... [2019-11-24 22:22:53,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:22:53,448 INFO L168 Benchmark]: Toolchain (without parser) took 1605.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:22:53,454 INFO L168 Benchmark]: CDTParser took 3.88 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 22:22:53,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1383.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:22:53,461 INFO L168 Benchmark]: Boogie Preprocessor took 213.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:22:53,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.88 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 1383.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 213.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 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 0.1.24-32f2683 [2019-11-24 22:22:57,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:22:57,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:22:57,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:22:57,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:22:57,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:22:57,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:22:57,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:22:57,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:22:57,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:22:57,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:22:57,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:22:57,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:22:57,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:22:57,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:22:57,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:22:57,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:22:57,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:22:57,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:22:57,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:22:57,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:22:57,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:22:57,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:22:57,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:22:57,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:22:57,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:22:57,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:22:57,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:22:57,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:22:57,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:22:57,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:22:57,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:22:57,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:22:57,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:22:57,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:22:57,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:22:57,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:22:57,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:22:57,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:22:57,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:22:57,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:22:57,472 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:22:57,515 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:22:57,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:22:57,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:22:57,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:22:57,524 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:22:57,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:22:57,527 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:22:57,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:22:57,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:22:57,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:22:57,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:22:57,530 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:22:57,532 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:22:57,532 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:22:57,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:22:57,533 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:22:57,535 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:22:57,535 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:22:57,535 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:22:57,536 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:22:57,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:22:57,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:22:57,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:22:57,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:22:57,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:22:57,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:22:57,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:22:57,541 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:22:57,542 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:22:57,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:22:57,544 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 -> 614aedb1ca0b3c75ba5d43ccd1ce8931602b4981 [2019-11-24 22:22:58,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:22:58,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:22:58,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:22:58,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:22:58,215 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:22:58,216 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-24 22:22:58,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9eabf1ce/6bcb2c8690c147bcaf98a18e5cbd0d83/FLAG5cc79f658 [2019-11-24 22:22:59,625 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:22:59,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-24 22:22:59,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9eabf1ce/6bcb2c8690c147bcaf98a18e5cbd0d83/FLAG5cc79f658 [2019-11-24 22:22:59,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9eabf1ce/6bcb2c8690c147bcaf98a18e5cbd0d83 [2019-11-24 22:22:59,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:22:59,720 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:22:59,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:22:59,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:22:59,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:22:59,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:59" (1/1) ... [2019-11-24 22:22:59,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59933dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:59, skipping insertion in model container [2019-11-24 22:22:59,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:59" (1/1) ... [2019-11-24 22:22:59,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:22:59,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:00,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:00,785 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:00,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:01,035 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:01,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01 WrapperNode [2019-11-24 22:23:01,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:01,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:01,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:01,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:01,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:01,255 INFO L168 Benchmark]: Toolchain (without parser) took 1532.46 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 968.4 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:01,271 INFO L168 Benchmark]: CDTParser took 0.40 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 22:23:01,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1315.26 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 974.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:01,276 INFO L168 Benchmark]: Boogie Preprocessor took 211.85 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:01,286 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1315.26 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 974.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 211.85 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...