./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-reverse.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/forester-heap/dll-reverse.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 333a0564072dd31bf7e82e165661bf94788e3c7f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-reverse.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 333a0564072dd31bf7e82e165661bf94788e3c7f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:05,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:05,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:05,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:05,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:05,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:05,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:05,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:05,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:05,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:05,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:05,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:05,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:05,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:05,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:05,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:05,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:05,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:05,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:05,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:05,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:05,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:05,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:05,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:05,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:05,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:05,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:05,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:05,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:05,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:05,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:05,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:05,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:05,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:05,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:05,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:05,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:05,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:05,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:05,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:05,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:05,248 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:05,289 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:05,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:05,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:05,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:05,295 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:05,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:05,298 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:05,298 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:05,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:05,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:05,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:05,303 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:05,303 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:05,304 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:05,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:05,304 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:05,305 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:05,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:05,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:05,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:05,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:05,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:05,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:05,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:05,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:05,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:05,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:05,313 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 -> 333a0564072dd31bf7e82e165661bf94788e3c7f [2019-11-27 17:45:05,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:05,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:05,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:05,896 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:05,898 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:05,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-reverse.i [2019-11-27 17:45:06,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d05353bf/1e67120607e84e259ab25142e9526c5f/FLAG576c72edc [2019-11-27 17:45:07,300 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:07,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-reverse.i [2019-11-27 17:45:07,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d05353bf/1e67120607e84e259ab25142e9526c5f/FLAG576c72edc [2019-11-27 17:45:07,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d05353bf/1e67120607e84e259ab25142e9526c5f [2019-11-27 17:45:07,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:07,401 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:07,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:07,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:07,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:07,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:07,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f614e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07, skipping insertion in model container [2019-11-27 17:45:07,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:07,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:07,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:08,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:08,532 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:08,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:08,786 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:08,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08 WrapperNode [2019-11-27 17:45:08,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:08,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:08,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:08,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:08,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:08,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:08,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:08,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:08,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:08,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:08,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:09,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:09,018 INFO L168 Benchmark]: Toolchain (without parser) took 1611.05 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 974.1 MB in the end (delta: -12.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:09,027 INFO L168 Benchmark]: CDTParser took 1.91 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 17:45:09,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1383.45 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 974.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:09,038 INFO L168 Benchmark]: Boogie Preprocessor took 216.34 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:09,050 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.91 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 1383.45 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 974.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 216.34 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 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 17:45:12,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:12,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:12,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:12,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:12,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:12,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:12,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:12,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:12,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:12,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:12,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:12,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:12,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:13,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:13,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:13,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:13,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:13,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:13,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:13,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:13,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:13,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:13,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:13,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:13,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:13,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:13,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:13,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:13,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:13,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:13,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:13,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:13,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:13,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:13,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:13,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:13,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:13,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:13,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:13,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:13,086 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:13,125 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:13,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:13,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:13,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:13,133 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:13,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:13,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:13,135 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:13,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:13,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:13,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:13,140 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:13,140 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:13,141 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:13,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:13,142 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:13,142 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:13,142 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:13,146 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:13,146 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:13,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:13,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:13,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:13,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:13,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:13,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:13,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:13,149 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:13,149 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:13,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:13,152 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 -> 333a0564072dd31bf7e82e165661bf94788e3c7f [2019-11-27 17:45:13,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:13,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:13,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:13,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:13,764 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:13,766 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-reverse.i [2019-11-27 17:45:13,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40b224f2b/5b6f05dbdc5c417abb2eae2d6f3215b9/FLAG08e3588ab [2019-11-27 17:45:15,126 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:15,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-reverse.i [2019-11-27 17:45:15,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40b224f2b/5b6f05dbdc5c417abb2eae2d6f3215b9/FLAG08e3588ab [2019-11-27 17:45:15,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40b224f2b/5b6f05dbdc5c417abb2eae2d6f3215b9 [2019-11-27 17:45:15,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:15,267 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:15,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:15,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:15,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:15,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:15" (1/1) ... [2019-11-27 17:45:15,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1200897d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:15, skipping insertion in model container [2019-11-27 17:45:15,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:15" (1/1) ... [2019-11-27 17:45:15,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:15,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:16,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:16,432 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:16,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:16,695 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:16,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16 WrapperNode [2019-11-27 17:45:16,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:16,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:16,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:16,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:16,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:16,908 INFO L168 Benchmark]: Toolchain (without parser) took 1640.32 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 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:16,909 INFO L168 Benchmark]: CDTParser took 2.56 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 17:45:16,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1429.04 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. [2019-11-27 17:45:16,916 INFO L168 Benchmark]: Boogie Preprocessor took 202.10 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:16,936 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.56 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 1429.04 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 202.10 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 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...