./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 65d6cd23 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 0.1.24-65d6cd2 [2019-11-26 00:27:48,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:48,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:48,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:48,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:48,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:48,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:48,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:48,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:48,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:48,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:48,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:48,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:48,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:48,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:48,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:48,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:48,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:48,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:48,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:48,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:48,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:48,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:48,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:48,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:48,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:48,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:48,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:48,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:48,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:48,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:48,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:48,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:48,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:48,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:48,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:48,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:48,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:48,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:48,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:48,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:48,969 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:49,000 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:49,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:49,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:49,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:49,005 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:49,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:49,006 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:49,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:49,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:49,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:49,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:49,010 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:49,010 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:49,011 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:49,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:49,011 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:49,011 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:49,011 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:49,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:49,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:49,012 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:49,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:49,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:49,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:49,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:49,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:49,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:49,015 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 [2019-11-26 00:27:49,475 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:49,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:49,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:49,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:49,505 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:49,506 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2019-11-26 00:27:49,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3adb9696/d3e9d750175c43a199b0efe37129e995/FLAG8b4b1dd65 [2019-11-26 00:27:50,500 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:50,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2019-11-26 00:27:50,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3adb9696/d3e9d750175c43a199b0efe37129e995/FLAG8b4b1dd65 [2019-11-26 00:27:50,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3adb9696/d3e9d750175c43a199b0efe37129e995 [2019-11-26 00:27:50,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:50,670 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:50,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:50,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:50,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:50,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:50" (1/1) ... [2019-11-26 00:27:50,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b72cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:50, skipping insertion in model container [2019-11-26 00:27:50,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:50" (1/1) ... [2019-11-26 00:27:50,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:50,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:51,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:51,442 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:51,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:51,650 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:51,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:51 WrapperNode [2019-11-26 00:27:51,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:51,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:51,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:51,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:51,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:51" (1/1) ... [2019-11-26 00:27:51,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:51" (1/1) ... [2019-11-26 00:27:51,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:51" (1/1) ... [2019-11-26 00:27:51,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:51" (1/1) ... [2019-11-26 00:27:51,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:51" (1/1) ... [2019-11-26 00:27:51,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:51" (1/1) ... [2019-11-26 00:27:51,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:51" (1/1) ... [2019-11-26 00:27:51,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:51,798 INFO L168 Benchmark]: Toolchain (without parser) took 1122.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 972.5 MB in the end (delta: -9.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:51,798 INFO L168 Benchmark]: CDTParser took 0.55 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. [2019-11-26 00:27:51,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 975.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 972.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:51,813 INFO L168 Benchmark]: Boogie Preprocessor took 136.40 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:51,819 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 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 975.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 972.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 136.40 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 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 0.1.24-65d6cd2 [2019-11-26 00:27:54,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:54,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:54,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:54,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:54,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:54,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:54,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:54,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:54,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:54,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:54,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:54,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:54,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:54,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:54,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:54,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:54,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:54,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:54,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:54,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:54,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:54,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:54,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:54,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:54,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:54,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:54,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:54,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:54,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:54,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:54,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:54,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:54,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:54,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:54,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:54,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:54,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:54,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:54,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:54,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:54,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:54,734 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:54,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:54,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:54,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:54,740 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:54,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:54,743 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:54,743 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:54,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:54,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:54,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:54,745 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:54,745 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:54,745 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:54,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:54,746 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:54,746 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:54,746 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:54,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:54,748 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:54,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:54,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:54,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:54,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:54,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:54,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:54,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:54,751 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:54,751 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:54,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:54,753 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 [2019-11-26 00:27:55,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:55,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:55,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:55,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:55,213 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:55,217 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2019-11-26 00:27:55,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b413d9a/33212d991978409b8a1acf38f5ecb00d/FLAG253127b28 [2019-11-26 00:27:56,140 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:56,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2019-11-26 00:27:56,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b413d9a/33212d991978409b8a1acf38f5ecb00d/FLAG253127b28 [2019-11-26 00:27:56,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b413d9a/33212d991978409b8a1acf38f5ecb00d [2019-11-26 00:27:56,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:56,334 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:56,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:56,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:56,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:56,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:56" (1/1) ... [2019-11-26 00:27:56,360 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 26.11 12:27:56, skipping insertion in model container [2019-11-26 00:27:56,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:56" (1/1) ... [2019-11-26 00:27:56,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:56,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:57,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:57,088 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:57,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:57,288 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:57,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:57 WrapperNode [2019-11-26 00:27:57,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:57,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:57,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:57,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:57,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:57" (1/1) ... [2019-11-26 00:27:57,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:57" (1/1) ... [2019-11-26 00:27:57,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:57" (1/1) ... [2019-11-26 00:27:57,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:57" (1/1) ... [2019-11-26 00:27:57,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:57" (1/1) ... [2019-11-26 00:27:57,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:57" (1/1) ... [2019-11-26 00:27:57,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:57" (1/1) ... [2019-11-26 00:27:57,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:57,457 INFO L168 Benchmark]: Toolchain (without parser) took 1119.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:57,458 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-26 00:27:57,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 946.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-26 00:27:57,463 INFO L168 Benchmark]: Boogie Preprocessor took 157.02 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. [2019-11-26 00:27:57,475 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 946.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 157.02 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...