./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04d17eda3d030bee53a60ea5a86a683be82674c1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-simple/dll2n_remove_all_reverse.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04d17eda3d030bee53a60ea5a86a683be82674c1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:34,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:34,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:34,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:34,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:34,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:34,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:34,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:34,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:34,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:34,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:34,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:34,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:34,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:34,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:34,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:34,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:34,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:34,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:34,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:34,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:34,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:34,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:34,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:34,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:34,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:34,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:34,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:34,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:34,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:34,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:34,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:34,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:34,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:34,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:34,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:34,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:34,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:34,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:34,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:34,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:34,970 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:35,012 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:35,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:35,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:35,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:35,014 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:35,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:35,015 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:35,017 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:35,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:35,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:35,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:35,018 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:35,018 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:35,019 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:35,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:35,019 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:35,022 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:35,022 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:35,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:35,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:35,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:35,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:35,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:35,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:35,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:35,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:35,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:35,024 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 -> 04d17eda3d030bee53a60ea5a86a683be82674c1 [2019-11-27 17:45:35,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:35,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:35,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:35,497 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:35,499 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:35,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2019-11-27 17:45:35,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9945d601/39d383a941184dd0b362ddb483187e8b/FLAGe757828dd [2019-11-27 17:45:36,458 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:36,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2019-11-27 17:45:36,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9945d601/39d383a941184dd0b362ddb483187e8b/FLAGe757828dd [2019-11-27 17:45:36,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9945d601/39d383a941184dd0b362ddb483187e8b [2019-11-27 17:45:36,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:36,653 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:36,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:36,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:36,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:36,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:36" (1/1) ... [2019-11-27 17:45:36,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509fde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:36, skipping insertion in model container [2019-11-27 17:45:36,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:36" (1/1) ... [2019-11-27 17:45:36,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:36,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:37,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:37,461 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:37,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:37,659 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:37,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37 WrapperNode [2019-11-27 17:45:37,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:37,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:37,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:37,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:37,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:37,795 INFO L168 Benchmark]: Toolchain (without parser) took 1141.89 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 974.0 MB in the end (delta: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:37,797 INFO L168 Benchmark]: CDTParser took 0.56 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 17:45:37,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 995.10 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 979.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:37,815 INFO L168 Benchmark]: Boogie Preprocessor took 129.28 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:37,819 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 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 995.10 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 979.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 129.28 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:45:40,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:40,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:40,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:40,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:40,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:40,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:40,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:40,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:40,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:40,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:40,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:40,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:40,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:40,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:40,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:40,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:40,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:40,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:40,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:40,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:40,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:40,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:40,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:40,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:40,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:40,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:40,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:40,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:40,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:40,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:40,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:40,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:40,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:40,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:40,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:40,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:40,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:40,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:40,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:40,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:40,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:40,732 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:40,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:40,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:40,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:40,742 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:40,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:40,743 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:40,743 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:40,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:40,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:40,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:40,746 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:40,746 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:40,749 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:40,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:40,749 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:40,750 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:40,750 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:40,750 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:40,750 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:40,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:40,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:40,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:40,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:40,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:40,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:40,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:40,755 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:40,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:40,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:40,756 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 -> 04d17eda3d030bee53a60ea5a86a683be82674c1 [2019-11-27 17:45:41,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:41,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:41,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:41,234 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:41,234 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:41,235 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2019-11-27 17:45:41,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c47e315/fa8fc2eb8a9f4b8d851ebf51bb5fbe5d/FLAG71d1fc28c [2019-11-27 17:45:42,189 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:42,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2019-11-27 17:45:42,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c47e315/fa8fc2eb8a9f4b8d851ebf51bb5fbe5d/FLAG71d1fc28c [2019-11-27 17:45:42,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c47e315/fa8fc2eb8a9f4b8d851ebf51bb5fbe5d [2019-11-27 17:45:42,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:42,385 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:42,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:42,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:42,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:42,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:42" (1/1) ... [2019-11-27 17:45:42,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509fde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:42, skipping insertion in model container [2019-11-27 17:45:42,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:42" (1/1) ... [2019-11-27 17:45:42,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:42,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:43,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:43,139 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:43,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:43,338 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:43,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43 WrapperNode [2019-11-27 17:45:43,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:43,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:43,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:43,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:43,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:43,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:43,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:43,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:43,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:43,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:43,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:43,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:43,500 INFO L168 Benchmark]: Toolchain (without parser) took 1109.15 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 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:43,501 INFO L168 Benchmark]: CDTParser took 0.21 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 17:45:43,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 953.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:43,505 INFO L168 Benchmark]: Boogie Preprocessor took 149.86 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:43,509 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 953.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 149.86 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...