./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_update_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_update_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 cfdde8b1798318c3bb26b76a748741913b280952 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_update_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 cfdde8b1798318c3bb26b76a748741913b280952 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:27:50,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:50,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:50,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:50,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:50,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:50,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:50,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:50,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:50,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:50,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:50,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:50,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:50,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:50,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:50,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:50,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:50,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:50,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:50,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:50,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:50,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:50,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:50,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:50,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:50,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:50,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:50,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:50,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:50,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:50,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:50,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:50,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:50,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:50,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:50,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:50,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:50,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:50,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:50,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:50,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:50,748 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:50,789 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:50,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:50,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:50,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:50,797 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:50,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:50,799 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:50,799 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:50,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:50,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:50,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:50,805 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:50,805 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:50,806 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:50,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:50,807 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:50,807 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:50,807 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:50,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:50,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:50,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:50,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:50,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:50,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:50,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:50,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:50,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:50,814 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 -> cfdde8b1798318c3bb26b76a748741913b280952 [2019-11-26 00:27:51,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:51,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:51,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:51,517 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:51,520 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:51,521 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_update_all_reverse.i [2019-11-26 00:27:51,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6f1abb50/299f6b17cd8b4585b5acb281e256735b/FLAG162a629d8 [2019-11-26 00:27:52,917 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:52,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_update_all_reverse.i [2019-11-26 00:27:52,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6f1abb50/299f6b17cd8b4585b5acb281e256735b/FLAG162a629d8 [2019-11-26 00:27:52,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6f1abb50/299f6b17cd8b4585b5acb281e256735b [2019-11-26 00:27:52,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:52,989 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:52,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:52,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:52,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:53,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:52" (1/1) ... [2019-11-26 00:27:53,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:53, skipping insertion in model container [2019-11-26 00:27:53,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:52" (1/1) ... [2019-11-26 00:27:53,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:53,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:53,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:53,966 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:54,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:54,267 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:54,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54 WrapperNode [2019-11-26 00:27:54,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:54,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:54,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:54,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:54,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:54,503 INFO L168 Benchmark]: Toolchain (without parser) took 1506.14 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 966.8 MB in the end (delta: 640.3 kB). Peak memory consumption was 705.9 kB. Max. memory is 12.5 GB. [2019-11-26 00:27:54,504 INFO L168 Benchmark]: CDTParser took 1.70 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. [2019-11-26 00:27:54,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1283.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:54,513 INFO L168 Benchmark]: Boogie Preprocessor took 217.18 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 00:27:54,522 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70 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 1283.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 217.18 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:58,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:58,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:58,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:58,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:58,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:58,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:58,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:58,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:58,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:58,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:58,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:58,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:58,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:58,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:58,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:58,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:58,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:58,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:58,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:58,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:58,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:58,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:58,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:58,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:58,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:58,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:58,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:58,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:58,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:58,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:58,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:58,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:58,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:58,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:58,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:58,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:58,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:58,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:58,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:58,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:58,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:58,505 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:58,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:58,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:58,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:58,514 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:58,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:58,516 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:58,516 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:58,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:58,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:58,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:58,520 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:58,521 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:58,521 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:58,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:58,523 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:58,523 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:58,524 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:58,526 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:58,526 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:58,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:58,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:58,527 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:58,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:58,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:58,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:58,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:58,531 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:58,531 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:58,531 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:58,535 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 -> cfdde8b1798318c3bb26b76a748741913b280952 [2019-11-26 00:27:59,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:59,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:59,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:59,151 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:59,151 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:59,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_update_all_reverse.i [2019-11-26 00:27:59,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f382299cf/24ebde3ef73f45d0b4b3705df6754cea/FLAGb3d3009a6 [2019-11-26 00:28:00,596 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:00,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_update_all_reverse.i [2019-11-26 00:28:00,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f382299cf/24ebde3ef73f45d0b4b3705df6754cea/FLAGb3d3009a6 [2019-11-26 00:28:00,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f382299cf/24ebde3ef73f45d0b4b3705df6754cea [2019-11-26 00:28:00,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:00,658 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:00,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:00,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:00,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:00,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1353300f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00, skipping insertion in model container [2019-11-26 00:28:00,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:00,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:01,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:01,764 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:01,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:02,055 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:02,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02 WrapperNode [2019-11-26 00:28:02,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:02,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:02,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:02,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:02,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:02,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:02,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:02,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:02,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:02,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:02,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:02,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:02,279 INFO L168 Benchmark]: Toolchain (without parser) took 1615.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 966.7 MB in the end (delta: -705.2 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:02,282 INFO L168 Benchmark]: CDTParser took 2.73 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. [2019-11-26 00:28:02,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1388.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:02,295 INFO L168 Benchmark]: Boogie Preprocessor took 204.66 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:02,306 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.73 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 1388.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 204.66 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 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...