./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/list-properties/alternating_list-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-properties/alternating_list-2.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 9c54128245d3ab9ad313da188c7be33f66027c6a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-properties/alternating_list-2.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 9c54128245d3ab9ad313da188c7be33f66027c6a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:47:05,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:05,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:05,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:05,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:05,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:05,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:05,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:05,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:05,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:05,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:05,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:05,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:05,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:05,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:05,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:05,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:05,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:05,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:05,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:05,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:05,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:05,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:05,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:05,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:05,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:05,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:05,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:05,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:05,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:05,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:05,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:05,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:05,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:05,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:05,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:05,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:05,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:05,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:05,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:05,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:05,890 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-27 17:47:05,933 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:05,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:05,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:05,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:05,940 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:05,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:05,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:05,943 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:05,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:05,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:05,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:05,945 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:05,946 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:05,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:05,948 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:05,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:05,948 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:05,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:05,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:05,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:05,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:05,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:05,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:05,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:05,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:47:05,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:47:05,955 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 -> 9c54128245d3ab9ad313da188c7be33f66027c6a [2019-11-27 17:47:06,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:06,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:06,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:06,593 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:06,597 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:06,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-27 17:47:06,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae010cc3/0886bc138d144b63b78df5b0ec19bda5/FLAGa8b742259 [2019-11-27 17:47:08,051 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:08,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-27 17:47:08,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae010cc3/0886bc138d144b63b78df5b0ec19bda5/FLAGa8b742259 [2019-11-27 17:47:08,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae010cc3/0886bc138d144b63b78df5b0ec19bda5 [2019-11-27 17:47:08,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:08,149 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:08,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:08,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:08,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:08,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:08" (1/1) ... [2019-11-27 17:47:08,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc7dcd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:08, skipping insertion in model container [2019-11-27 17:47:08,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:08" (1/1) ... [2019-11-27 17:47:08,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:08,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:09,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:09,301 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:09,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:09,570 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:09,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:09 WrapperNode [2019-11-27 17:47:09,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:09,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:09,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:09,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:09,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:09" (1/1) ... [2019-11-27 17:47:09,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:09" (1/1) ... [2019-11-27 17:47:09,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:09" (1/1) ... [2019-11-27 17:47:09,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:09" (1/1) ... [2019-11-27 17:47:09,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:09" (1/1) ... [2019-11-27 17:47:09,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:09" (1/1) ... [2019-11-27 17:47:09,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:09" (1/1) ... [2019-11-27 17:47:09,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:09,768 INFO L168 Benchmark]: Toolchain (without parser) took 1610.58 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 17:47:09,770 INFO L168 Benchmark]: CDTParser took 0.31 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 17:47:09,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1422.45 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 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 17:47:09,786 INFO L168 Benchmark]: Boogie Preprocessor took 179.28 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 17:47:09,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 1422.45 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 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 179.28 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 0.1.24-509859d [2019-11-27 17:47:13,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:13,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:13,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:13,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:13,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:13,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:13,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:13,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:13,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:13,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:13,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:13,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:13,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:13,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:13,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:13,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:13,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:13,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:13,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:13,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:13,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:13,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:13,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:13,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:13,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:13,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:13,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:13,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:13,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:13,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:13,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:13,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:13,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:13,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:13,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:13,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:13,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:13,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:13,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:13,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:13,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-27 17:47:13,987 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:13,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:13,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:13,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:13,993 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:13,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:13,993 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:13,994 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:13,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:13,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:13,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:13,997 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:13,997 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:13,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:13,999 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:14,001 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:47:14,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:47:14,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:14,002 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:14,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:14,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:14,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:14,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:14,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:14,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:14,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:14,007 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:47:14,007 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:47:14,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:47:14,008 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 -> 9c54128245d3ab9ad313da188c7be33f66027c6a [2019-11-27 17:47:14,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:14,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:14,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:14,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:14,727 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:14,729 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-27 17:47:14,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb5fa02d/341cf56ef386485999c4b0f11ca1fd87/FLAG9452f6256 [2019-11-27 17:47:16,216 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:16,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-27 17:47:16,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb5fa02d/341cf56ef386485999c4b0f11ca1fd87/FLAG9452f6256 [2019-11-27 17:47:16,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb5fa02d/341cf56ef386485999c4b0f11ca1fd87 [2019-11-27 17:47:16,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:16,319 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:16,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:16,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:16,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:16,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:16" (1/1) ... [2019-11-27 17:47:16,348 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 05:47:16, skipping insertion in model container [2019-11-27 17:47:16,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:16" (1/1) ... [2019-11-27 17:47:16,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:16,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:17,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:17,536 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:17,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:17,819 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:17,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17 WrapperNode [2019-11-27 17:47:17,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:17,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:17,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:17,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:17,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:18,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:18,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:18,036 INFO L168 Benchmark]: Toolchain (without parser) took 1709.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 967.0 MB in the end (delta: 374.3 kB). Peak memory consumption was 439.8 kB. Max. memory is 12.5 GB. [2019-11-27 17:47:18,037 INFO L168 Benchmark]: CDTParser took 3.15 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:18,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1496.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:18,049 INFO L168 Benchmark]: Boogie Preprocessor took 203.62 ms. Allocated memory is still 1.0 GB. Free memory was 972.8 MB in the beginning and 967.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:18,054 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.15 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1496.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 203.62 ms. Allocated memory is still 1.0 GB. Free memory was 972.8 MB in the beginning and 967.0 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...