./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2n_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 dd9e7bf35989cde866740706d77fd71a632fd664 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/sll2n_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 dd9e7bf35989cde866740706d77fd71a632fd664 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:45:45,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:45,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:45,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:45,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:45,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:45,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:45,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:45,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:45,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:45,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:45,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:45,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:45,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:45,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:45,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:45,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:45,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:45,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:45,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:45,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:45,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:45,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:45,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:45,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:45,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:45,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:45,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:45,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:45,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:45,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:45,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:45,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:45,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:45,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:45,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:45,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:45,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:45,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:45,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:45,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:45,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:45,925 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:45,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:45,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:45,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:45,930 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:45,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:45,933 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:45,933 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:45,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:45,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:45,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:45,935 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:45,935 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:45,935 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:45,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:45,938 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:45,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:45,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:45,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:45,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:45,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:45,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:45,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:45,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:45,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:45,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:45,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:45,941 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 -> dd9e7bf35989cde866740706d77fd71a632fd664 [2019-11-27 17:45:46,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:46,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:46,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:46,399 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:46,401 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:46,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-27 17:45:46,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b72ff2e/5d8cda833e6b4ea988571530b044788b/FLAGcc65a5c90 [2019-11-27 17:45:47,327 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:47,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-27 17:45:47,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b72ff2e/5d8cda833e6b4ea988571530b044788b/FLAGcc65a5c90 [2019-11-27 17:45:47,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b72ff2e/5d8cda833e6b4ea988571530b044788b [2019-11-27 17:45:47,530 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:47,531 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:47,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:47,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:47,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:47,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb8afde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47, skipping insertion in model container [2019-11-27 17:45:47,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:47,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:48,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:48,253 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:48,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:48,434 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:48,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48 WrapperNode [2019-11-27 17:45:48,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:48,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:48,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:48,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:48,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:48,586 INFO L168 Benchmark]: Toolchain (without parser) took 1051.56 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 968.2 MB in the end (delta: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:48,596 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:48,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 898.37 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 968.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:48,599 INFO L168 Benchmark]: Boogie Preprocessor took 143.65 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:48,604 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 898.37 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 968.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 143.65 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:45:51,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:51,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:51,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:51,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:51,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:51,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:51,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:51,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:51,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:51,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:51,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:51,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:51,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:51,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:51,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:51,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:51,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:51,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:51,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:51,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:51,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:51,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:51,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:51,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:51,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:51,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:51,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:51,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:51,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:51,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:51,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:51,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:51,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:51,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:51,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:51,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:51,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:51,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:51,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:51,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:51,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:51,465 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:51,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:51,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:51,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:51,469 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:51,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:51,470 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:51,470 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:51,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:51,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:51,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:51,473 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:51,473 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:51,474 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:51,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:51,474 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:51,475 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:51,478 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:51,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:51,478 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:51,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:51,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:51,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:51,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:51,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:51,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:51,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:51,480 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:51,480 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:51,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:51,482 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 -> dd9e7bf35989cde866740706d77fd71a632fd664 [2019-11-27 17:45:51,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:51,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:51,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:51,958 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:51,960 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:51,961 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-27 17:45:52,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f615c8c76/14eac4c55fbd4741b18566339d1e6335/FLAGaf0356277 [2019-11-27 17:45:52,917 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:52,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-27 17:45:52,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f615c8c76/14eac4c55fbd4741b18566339d1e6335/FLAGaf0356277 [2019-11-27 17:45:53,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f615c8c76/14eac4c55fbd4741b18566339d1e6335 [2019-11-27 17:45:53,096 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:53,098 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:53,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:53,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:53,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:53,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:53" (1/1) ... [2019-11-27 17:45:53,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb8afde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:53, skipping insertion in model container [2019-11-27 17:45:53,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:53" (1/1) ... [2019-11-27 17:45:53,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:53,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:53,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:53,879 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:53,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:54,076 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:54,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54 WrapperNode [2019-11-27 17:45:54,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:54,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:54,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:54,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:54,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:54,236 INFO L168 Benchmark]: Toolchain (without parser) took 1135.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:54,237 INFO L168 Benchmark]: CDTParser took 1.54 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:54,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 971.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:54,246 INFO L168 Benchmark]: Boogie Preprocessor took 147.28 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:54,253 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54 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 971.37 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 147.28 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...