./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/forester-heap/dll-circular-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version da95e156 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-circular-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95b20088216028e3d05e3cb41d4ed5c20af6a751 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-circular-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95b20088216028e3d05e3cb41d4ed5c20af6a751 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:24:32,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:32,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:32,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:32,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:32,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:32,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:32,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:32,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:32,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:32,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:32,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:32,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:32,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:32,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:32,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:32,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:32,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:32,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:32,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:32,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:32,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:32,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:32,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:32,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:32,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:32,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:32,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:32,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:32,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:32,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:32,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:32,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:32,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:32,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:32,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:33,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:33,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:33,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:33,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:33,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:33,009 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-27 11:24:33,048 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:33,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:33,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:33,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:33,057 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:33,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:33,058 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:24:33,058 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:33,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:33,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:24:33,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:33,062 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:33,062 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:33,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:33,063 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:33,064 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:24:33,064 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:33,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:33,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:33,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:33,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:33,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:33,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:33,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:33,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:24:33,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:24:33,072 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-memcleanup) ) 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 -> 95b20088216028e3d05e3cb41d4ed5c20af6a751 [2019-11-27 11:24:33,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:33,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:33,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:33,772 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:33,773 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:33,774 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-27 11:24:33,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e2b43b5/bd083bc75cdd4a5383d498a6735d8dbc/FLAGc327be12c [2019-11-27 11:24:35,152 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:35,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-27 11:24:35,189 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e2b43b5/bd083bc75cdd4a5383d498a6735d8dbc/FLAGc327be12c [2019-11-27 11:24:35,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e2b43b5/bd083bc75cdd4a5383d498a6735d8dbc [2019-11-27 11:24:35,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:35,242 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:35,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:35,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:35,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:35,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:35" (1/1) ... [2019-11-27 11:24:35,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc7227c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:35, skipping insertion in model container [2019-11-27 11:24:35,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:35" (1/1) ... [2019-11-27 11:24:35,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:35,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:36,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:36,323 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:36,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:36,564 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:36,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:36 WrapperNode [2019-11-27 11:24:36,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:36,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:36,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:36,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:36,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:36" (1/1) ... [2019-11-27 11:24:36,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:36" (1/1) ... [2019-11-27 11:24:36,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:36" (1/1) ... [2019-11-27 11:24:36,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:36" (1/1) ... [2019-11-27 11:24:36,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:36" (1/1) ... [2019-11-27 11:24:36,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:36" (1/1) ... [2019-11-27 11:24:36,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:36" (1/1) ... [2019-11-27 11:24:36,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:36,763 INFO L168 Benchmark]: Toolchain (without parser) took 1518.77 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. [2019-11-27 11:24:36,768 INFO L168 Benchmark]: CDTParser took 2.84 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 11:24:36,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1322.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:36,778 INFO L168 Benchmark]: Boogie Preprocessor took 186.66 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. [2019-11-27 11:24:36,785 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.84 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 1322.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 186.66 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-da95e15 [2019-11-27 11:24:40,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:40,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:40,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:40,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:40,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:40,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:40,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:40,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:40,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:40,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:40,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:40,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:40,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:40,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:40,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:40,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:40,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:40,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:40,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:40,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:40,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:40,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:40,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:40,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:40,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:40,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:40,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:40,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:40,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:40,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:40,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:40,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:40,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:40,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:40,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:40,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:40,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:40,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:40,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:40,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:40,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-27 11:24:40,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:40,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:40,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:40,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:40,713 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:40,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:40,714 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:24:40,714 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:40,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:40,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:24:40,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:40,722 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:40,722 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:40,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:40,723 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:40,724 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:24:40,724 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:24:40,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:24:40,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:40,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:40,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:40,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:40,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:40,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:40,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:40,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:40,727 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:24:40,729 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:24:40,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:24:40,729 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-memcleanup) ) 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 -> 95b20088216028e3d05e3cb41d4ed5c20af6a751 [2019-11-27 11:24:41,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:41,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:41,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:41,354 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:41,356 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:41,357 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-27 11:24:41,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae38401a/1dc3b24583d347e9b0fab71b350b6eee/FLAGcc9fbbafc [2019-11-27 11:24:42,744 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:42,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-27 11:24:42,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae38401a/1dc3b24583d347e9b0fab71b350b6eee/FLAGcc9fbbafc [2019-11-27 11:24:42,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae38401a/1dc3b24583d347e9b0fab71b350b6eee [2019-11-27 11:24:42,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:42,842 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:42,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:42,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:42,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:42,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:42" (1/1) ... [2019-11-27 11:24:42,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611e8f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:42, skipping insertion in model container [2019-11-27 11:24:42,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:42" (1/1) ... [2019-11-27 11:24:42,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:42,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:43,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:43,971 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:44,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:44,241 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:44,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:44 WrapperNode [2019-11-27 11:24:44,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:44,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:44,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:44,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:44,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:44" (1/1) ... [2019-11-27 11:24:44,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:44" (1/1) ... [2019-11-27 11:24:44,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:44" (1/1) ... [2019-11-27 11:24:44,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:44" (1/1) ... [2019-11-27 11:24:44,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:44" (1/1) ... [2019-11-27 11:24:44,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:44" (1/1) ... [2019-11-27 11:24:44,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:44" (1/1) ... [2019-11-27 11:24:44,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:44,443 INFO L168 Benchmark]: Toolchain (without parser) took 1598.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.3 MB in the end (delta: -18.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:44,446 INFO L168 Benchmark]: CDTParser took 2.36 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 11:24:44,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1398.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.3 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:44,450 INFO L168 Benchmark]: Boogie Preprocessor took 192.54 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:44,468 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.36 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 1398.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.3 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 192.54 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 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...