./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 32f26835 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 0.1.24-32f2683 [2019-11-24 22:23:30,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:30,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:30,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:30,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:30,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:30,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:30,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:30,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:30,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:30,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:30,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:30,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:30,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:30,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:30,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:30,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:30,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:30,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:30,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:30,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:30,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:30,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:30,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:30,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:30,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:30,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:30,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:30,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:30,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:30,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:30,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:30,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:30,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:30,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:30,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:30,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:30,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:30,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:30,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:30,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:30,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:30,396 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:30,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:30,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:30,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:30,403 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:30,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:30,403 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:30,404 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:30,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:30,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:30,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:30,408 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:30,408 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:30,409 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:30,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:30,410 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:30,410 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:30,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:30,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:30,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:30,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:30,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:30,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:30,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:30,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:30,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:30,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:30,418 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 [2019-11-24 22:23:30,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:31,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:31,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:31,019 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:31,020 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:31,021 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-24 22:23:31,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b79ac4bf4/f3d424e42bcd41b8a41a8d4c79be3ccc/FLAGf813232c2 [2019-11-24 22:23:32,394 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:32,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-24 22:23:32,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b79ac4bf4/f3d424e42bcd41b8a41a8d4c79be3ccc/FLAGf813232c2 [2019-11-24 22:23:32,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b79ac4bf4/f3d424e42bcd41b8a41a8d4c79be3ccc [2019-11-24 22:23:32,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:32,483 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:32,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:32,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:32,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:32,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:32" (1/1) ... [2019-11-24 22:23:32,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:32, skipping insertion in model container [2019-11-24 22:23:32,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:32" (1/1) ... [2019-11-24 22:23:32,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:32,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:33,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:33,554 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:33,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:33,856 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:33,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33 WrapperNode [2019-11-24 22:23:33,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:33,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:33,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:33,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:33,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:33,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:33,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:33,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:34,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:34,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:34,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:33" (1/1) ... [2019-11-24 22:23:34,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:34,080 INFO L168 Benchmark]: Toolchain (without parser) took 1593.65 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:34,081 INFO L168 Benchmark]: CDTParser took 3.12 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. [2019-11-24 22:23:34,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1369.61 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. [2019-11-24 22:23:34,098 INFO L168 Benchmark]: Boogie Preprocessor took 212.98 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. [2019-11-24 22:23:34,108 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.12 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 1369.61 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 212.98 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 0.1.24-32f2683 [2019-11-24 22:23:37,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:37,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:38,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:38,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:38,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:38,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:38,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:38,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:38,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:38,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:38,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:38,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:38,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:38,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:38,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:38,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:38,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:38,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:38,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:38,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:38,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:38,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:38,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:38,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:38,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:38,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:38,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:38,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:38,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:38,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:38,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:38,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:38,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:38,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:38,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:38,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:38,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:38,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:38,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:38,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:38,156 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:38,194 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:38,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:38,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:38,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:38,202 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:38,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:38,204 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:38,205 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:38,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:38,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:38,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:38,209 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:38,209 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:38,210 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:38,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:38,212 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:38,212 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:38,212 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:38,213 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:38,213 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:38,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:38,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:38,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:38,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:38,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:38,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:38,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:38,219 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:38,219 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:38,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:38,221 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 [2019-11-24 22:23:38,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:38,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:38,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:38,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:38,794 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:38,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-24 22:23:38,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3ea3c43d/455dcef891ab4ed3b8e741066a981777/FLAG1d87c42f7 [2019-11-24 22:23:40,215 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:40,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-24 22:23:40,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3ea3c43d/455dcef891ab4ed3b8e741066a981777/FLAG1d87c42f7 [2019-11-24 22:23:40,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3ea3c43d/455dcef891ab4ed3b8e741066a981777 [2019-11-24 22:23:40,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:40,702 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:40,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:40,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:40,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:40,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:40" (1/1) ... [2019-11-24 22:23:40,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3459d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:40, skipping insertion in model container [2019-11-24 22:23:40,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:40" (1/1) ... [2019-11-24 22:23:40,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:40,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:41,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:41,786 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:41,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:42,067 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:42,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42 WrapperNode [2019-11-24 22:23:42,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:42,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:42,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:42,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:42,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:42,283 INFO L168 Benchmark]: Toolchain (without parser) took 1573.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 968.2 MB in the end (delta: -3.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:42,284 INFO L168 Benchmark]: CDTParser took 0.45 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. [2019-11-24 22:23:42,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1354.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 973.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:42,297 INFO L168 Benchmark]: Boogie Preprocessor took 201.23 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:42,305 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 1354.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 973.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 201.23 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 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...