./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-properties/list_flag-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-properties/list_flag-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash afc88cbf4886a453fed887733400308a528b9724 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/list_flag-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash afc88cbf4886a453fed887733400308a528b9724 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:45:15,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:15,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:15,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:15,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:15,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:15,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:15,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:15,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:15,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:15,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:15,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:15,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:15,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:15,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:15,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:15,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:15,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:15,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:15,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:15,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:15,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:15,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:15,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:15,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:15,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:15,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:15,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:15,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:15,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:15,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:15,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:15,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:15,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:15,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:15,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:15,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:15,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:15,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:15,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:15,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:15,877 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:15,917 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:15,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:15,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:15,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:15,926 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:15,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:15,927 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:15,927 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:15,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:15,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:15,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:15,929 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:15,931 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:15,931 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:15,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:15,932 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:15,934 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:15,934 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:15,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:15,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:15,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:15,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:15,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:15,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:15,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:15,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:15,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:15,940 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 -> afc88cbf4886a453fed887733400308a528b9724 [2019-11-27 17:45:16,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:16,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:16,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:16,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:16,578 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:16,579 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-27 17:45:16,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db224557/a21ec44f55bc417ca315497148dedaaa/FLAG6c0d4ea10 [2019-11-27 17:45:18,015 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:18,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-27 17:45:18,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db224557/a21ec44f55bc417ca315497148dedaaa/FLAG6c0d4ea10 [2019-11-27 17:45:18,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db224557/a21ec44f55bc417ca315497148dedaaa [2019-11-27 17:45:18,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:18,115 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:18,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:18,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:18,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:18,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:18" (1/1) ... [2019-11-27 17:45:18,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:18, skipping insertion in model container [2019-11-27 17:45:18,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:18" (1/1) ... [2019-11-27 17:45:18,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:18,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:19,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:19,272 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:19,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:19,506 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:19,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19 WrapperNode [2019-11-27 17:45:19,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:19,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:19,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:19,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:19,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:19,688 INFO L168 Benchmark]: Toolchain (without parser) took 1567.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:19,699 INFO L168 Benchmark]: CDTParser took 1.91 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 17:45:19,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1394.53 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 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:19,708 INFO L168 Benchmark]: Boogie Preprocessor took 162.47 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:19,717 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1394.53 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 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 162.47 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 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 17:45:23,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:23,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:23,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:23,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:23,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:23,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:23,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:23,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:23,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:23,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:23,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:23,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:23,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:23,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:23,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:23,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:23,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:23,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:23,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:23,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:23,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:23,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:23,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:23,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:23,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:23,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:23,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:23,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:23,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:23,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:23,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:23,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:23,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:23,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:23,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:23,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:23,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:23,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:23,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:23,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:23,827 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:23,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:23,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:23,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:23,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:23,874 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:23,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:23,875 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:23,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:23,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:23,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:23,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:23,878 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:23,881 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:23,882 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:23,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:23,882 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:23,883 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:23,883 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:23,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:23,884 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:23,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:23,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:23,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:23,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:23,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:23,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:23,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:23,889 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:23,890 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:23,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:23,895 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 -> afc88cbf4886a453fed887733400308a528b9724 [2019-11-27 17:45:24,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:24,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:24,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:24,619 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:24,619 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:24,621 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-27 17:45:24,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f349f96/93e74dfbae894de9a3081d315d6203fc/FLAG6ec53deb4 [2019-11-27 17:45:25,969 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:25,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_flag-2.i [2019-11-27 17:45:26,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f349f96/93e74dfbae894de9a3081d315d6203fc/FLAG6ec53deb4 [2019-11-27 17:45:26,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f349f96/93e74dfbae894de9a3081d315d6203fc [2019-11-27 17:45:26,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:26,479 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:26,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:26,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:26,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:26,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3459d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26, skipping insertion in model container [2019-11-27 17:45:26,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:26,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:27,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:27,534 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:27,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:27,778 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:27,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:27 WrapperNode [2019-11-27 17:45:27,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:27,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:27,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:27,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:27,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:27" (1/1) ... [2019-11-27 17:45:27,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:27" (1/1) ... [2019-11-27 17:45:27,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:27" (1/1) ... [2019-11-27 17:45:27,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:27" (1/1) ... [2019-11-27 17:45:27,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:27" (1/1) ... [2019-11-27 17:45:27,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:27" (1/1) ... [2019-11-27 17:45:27,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:27" (1/1) ... [2019-11-27 17:45:27,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:27,979 INFO L168 Benchmark]: Toolchain (without parser) took 1496.43 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 979.7 MB in the end (delta: -19.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:27,989 INFO L168 Benchmark]: CDTParser took 0.80 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 17:45:27,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1299.17 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 979.7 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:28,000 INFO L168 Benchmark]: Boogie Preprocessor took 190.44 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:28,006 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 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 1299.17 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 979.7 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 190.44 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 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...