./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_append_unequal.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/sll2n_append_unequal.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 cae663252cf3102da91695865874d633c1ee8349 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_append_unequal.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 cae663252cf3102da91695865874d633c1ee8349 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:27:56,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:56,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:56,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:56,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:56,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:56,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:56,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:56,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:56,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:56,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:56,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:56,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:56,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:56,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:56,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:56,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:56,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:56,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:56,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:56,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:56,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:56,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:56,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:56,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:56,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:56,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:56,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:56,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:56,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:56,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:56,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:56,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:56,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:56,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:56,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:56,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:56,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:56,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:56,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:56,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:56,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:56,834 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:56,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:56,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:56,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:56,843 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:56,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:56,844 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:56,845 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:56,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:56,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:56,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:56,847 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:56,847 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:56,848 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:56,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:56,851 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:56,852 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:56,852 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:56,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:56,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:56,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:56,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:56,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:56,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:56,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:56,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:56,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:56,857 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 -> cae663252cf3102da91695865874d633c1ee8349 [2019-11-26 00:27:57,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:57,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:57,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:57,443 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:57,445 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:57,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-26 00:27:57,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12ece1521/a4a733f335454b9ca147f27052d79c0b/FLAG9b8adbf3e [2019-11-26 00:27:58,679 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:58,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-26 00:27:58,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12ece1521/a4a733f335454b9ca147f27052d79c0b/FLAG9b8adbf3e [2019-11-26 00:27:58,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12ece1521/a4a733f335454b9ca147f27052d79c0b [2019-11-26 00:27:58,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:58,783 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:58,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:58,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:58,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:58,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:58" (1/1) ... [2019-11-26 00:27:58,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7475fdf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:58, skipping insertion in model container [2019-11-26 00:27:58,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:58" (1/1) ... [2019-11-26 00:27:58,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:58,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:59,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:59,894 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:00,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:00,165 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:00,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00 WrapperNode [2019-11-26 00:28:00,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:00,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:00,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:00,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:00,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:00,360 INFO L168 Benchmark]: Toolchain (without parser) took 1577.96 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 962.5 MB in the end (delta: -802.4 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:00,363 INFO L168 Benchmark]: CDTParser took 1.99 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:00,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1384.53 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: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:00,381 INFO L168 Benchmark]: Boogie Preprocessor took 179.51 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:00,392 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.99 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 1384.53 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: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 179.51 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 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 00:28:04,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:04,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:04,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:04,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:04,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:04,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:04,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:04,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:04,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:04,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:04,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:04,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:04,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:04,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:04,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:04,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:04,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:04,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:04,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:04,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:04,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:04,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:04,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:04,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:04,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:04,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:04,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:04,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:04,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:04,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:04,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:04,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:04,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:04,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:04,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:04,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:04,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:04,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:04,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:04,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:04,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:04,524 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:04,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:04,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:04,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:04,531 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:04,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:04,532 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:04,532 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:04,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:04,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:04,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:04,535 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:04,536 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:04,539 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:04,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:04,540 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:04,540 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:04,541 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:04,541 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:04,541 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:04,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:04,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:04,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:04,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:04,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:04,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:04,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:04,545 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:04,547 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:04,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:04,549 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 -> cae663252cf3102da91695865874d633c1ee8349 [2019-11-26 00:28:05,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:05,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:05,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:05,169 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:05,171 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:05,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-26 00:28:05,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a50db64/e79ea04b9216404d8d9fad8007dae498/FLAGaca9010f0 [2019-11-26 00:28:06,505 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:06,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-26 00:28:06,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a50db64/e79ea04b9216404d8d9fad8007dae498/FLAGaca9010f0 [2019-11-26 00:28:06,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a50db64/e79ea04b9216404d8d9fad8007dae498 [2019-11-26 00:28:06,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:06,631 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:06,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:06,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:06,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:06,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:06" (1/1) ... [2019-11-26 00:28:06,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be22f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:06, skipping insertion in model container [2019-11-26 00:28:06,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:06" (1/1) ... [2019-11-26 00:28:06,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:06,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:07,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:07,625 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:07,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:07,918 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:07,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07 WrapperNode [2019-11-26 00:28:07,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:07,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:07,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:07,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:07,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:08,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:08,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:08,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:08,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:08,117 INFO L168 Benchmark]: Toolchain (without parser) took 1478.35 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 966.7 MB in the end (delta: 702.6 kB). Peak memory consumption was 768.1 kB. Max. memory is 12.5 GB. [2019-11-26 00:28:08,118 INFO L168 Benchmark]: CDTParser took 0.39 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 00:28:08,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1285.64 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 972.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:08,135 INFO L168 Benchmark]: Boogie Preprocessor took 182.35 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 00:28:08,142 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1285.64 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 972.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 182.35 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...