./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 da95e156 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-da95e15 [2019-11-27 11:23:13,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:13,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:13,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:13,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:13,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:13,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:13,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:13,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:13,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:13,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:13,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:13,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:13,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:13,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:13,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:13,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:13,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:13,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:13,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:13,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:13,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:13,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:13,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:13,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:13,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:13,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:13,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:13,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:13,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:13,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:13,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:13,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:13,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:13,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:13,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:13,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:13,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:13,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:13,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:13,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:13,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:13,669 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:13,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:13,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:13,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:13,678 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:13,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:13,679 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:13,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:13,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:13,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:13,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:13,685 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:13,685 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:13,686 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:13,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:13,688 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:13,688 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:13,691 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:13,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:13,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:13,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:13,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:13,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:13,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:13,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:13,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:13,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:13,699 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 [2019-11-27 11:23:14,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:14,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:14,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:14,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:14,382 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:14,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_update_all_reverse.i [2019-11-27 11:23:14,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eabe82a5a/75cc7a31a0b94b44baf952b094c945f9/FLAG2a8c182a1 [2019-11-27 11:23:15,731 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:15,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_update_all_reverse.i [2019-11-27 11:23:15,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eabe82a5a/75cc7a31a0b94b44baf952b094c945f9/FLAG2a8c182a1 [2019-11-27 11:23:16,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eabe82a5a/75cc7a31a0b94b44baf952b094c945f9 [2019-11-27 11:23:16,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:16,227 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:16,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:16,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:16,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:16,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:16" (1/1) ... [2019-11-27 11:23:16,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcc7aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:16, skipping insertion in model container [2019-11-27 11:23:16,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:16" (1/1) ... [2019-11-27 11:23:16,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:16,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:17,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:17,304 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:17,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:17,585 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:17,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17 WrapperNode [2019-11-27 11:23:17,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:17,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:17,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:17,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:17,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:17,790 INFO L168 Benchmark]: Toolchain (without parser) took 1545.38 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 968.3 MB in the end (delta: -2.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:17,793 INFO L168 Benchmark]: CDTParser took 1.38 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 11:23:17,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1353.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 974.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:17,801 INFO L168 Benchmark]: Boogie Preprocessor took 177.84 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:17,804 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38 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 1353.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 974.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 177.84 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 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-da95e15 [2019-11-27 11:23:21,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:21,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:21,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:21,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:21,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:21,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:21,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:21,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:21,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:21,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:21,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:21,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:21,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:21,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:21,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:21,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:21,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:21,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:21,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:21,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:21,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:21,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:21,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:21,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:21,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:21,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:21,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:21,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:21,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:21,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:21,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:21,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:21,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:21,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:21,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:21,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:21,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:21,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:21,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:21,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:21,936 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:21,978 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:21,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:21,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:21,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:21,988 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:21,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:21,989 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:21,989 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:21,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:21,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:21,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:21,991 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:21,992 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:21,993 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:21,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:21,994 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:21,997 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:21,997 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:21,997 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:21,998 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:21,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:21,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:21,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:21,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:21,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:22,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:22,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:22,002 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:22,002 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:22,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:22,004 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 [2019-11-27 11:23:22,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:22,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:22,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:22,644 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:22,645 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:22,649 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_update_all_reverse.i [2019-11-27 11:23:22,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c29bea73c/47e336cc782e4587b7b3376a40b1d7fe/FLAGdde65becd [2019-11-27 11:23:23,942 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:23,943 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_update_all_reverse.i [2019-11-27 11:23:23,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c29bea73c/47e336cc782e4587b7b3376a40b1d7fe/FLAGdde65becd [2019-11-27 11:23:24,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c29bea73c/47e336cc782e4587b7b3376a40b1d7fe [2019-11-27 11:23:24,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:24,070 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:24,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:24,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:24,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:24,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d13d170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24, skipping insertion in model container [2019-11-27 11:23:24,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:24,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:25,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:25,177 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:25,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:25,473 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:25,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:25 WrapperNode [2019-11-27 11:23:25,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:25,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:25,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:25,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:25,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:25" (1/1) ... [2019-11-27 11:23:25,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:25" (1/1) ... [2019-11-27 11:23:25,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:25" (1/1) ... [2019-11-27 11:23:25,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:25" (1/1) ... [2019-11-27 11:23:25,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:25" (1/1) ... [2019-11-27 11:23:25,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:25" (1/1) ... [2019-11-27 11:23:25,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:25" (1/1) ... [2019-11-27 11:23:25,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:25,707 INFO L168 Benchmark]: Toolchain (without parser) took 1631.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.8 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:25,710 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:25,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1393.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:25,721 INFO L168 Benchmark]: Boogie Preprocessor took 217.92 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 11:23:25,727 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1393.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 217.92 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...