./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_update_all.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.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 ef034042979fe1e524a3655a8992190a25335ff0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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.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 ef034042979fe1e524a3655a8992190a25335ff0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:46,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:46,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:46,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:46,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:46,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:46,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:46,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:46,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:46,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:46,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:46,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:46,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:46,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:46,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:46,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:46,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:46,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:46,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:46,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:46,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:46,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:46,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:46,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:46,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:46,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:46,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:46,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:46,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:46,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:46,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:46,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:46,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:46,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:46,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:46,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:46,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:46,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:46,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:46,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:46,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:46,245 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:46,298 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:46,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:46,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:46,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:46,310 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:46,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:46,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:46,312 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:46,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:46,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:46,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:46,315 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:46,316 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:46,316 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:46,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:46,317 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:46,320 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:46,322 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:46,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:46,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:46,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:46,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:46,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:46,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:46,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:46,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:46,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:46,328 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 -> ef034042979fe1e524a3655a8992190a25335ff0 [2019-11-27 17:45:46,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:46,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:46,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:46,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:46,969 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:46,971 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-27 17:45:47,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15355068c/bce3c18d7c3b497c82e40433701ef60d/FLAG625d80863 [2019-11-27 17:45:48,361 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:48,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-27 17:45:48,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15355068c/bce3c18d7c3b497c82e40433701ef60d/FLAG625d80863 [2019-11-27 17:45:48,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15355068c/bce3c18d7c3b497c82e40433701ef60d [2019-11-27 17:45:48,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:48,437 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:48,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:48,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:48,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:48,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48, skipping insertion in model container [2019-11-27 17:45:48,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:48,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:49,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:49,523 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:49,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:49,794 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:49,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49 WrapperNode [2019-11-27 17:45:49,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:49,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:49,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:49,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:49,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:49,995 INFO L168 Benchmark]: Toolchain (without parser) took 1553.76 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 968.2 MB in the end (delta: -789.4 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:49,997 INFO L168 Benchmark]: CDTParser took 2.76 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:50,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1343.43 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 968.2 MB in the end (delta: -789.4 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:50,018 INFO L168 Benchmark]: Boogie Preprocessor took 188.95 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 17:45:50,026 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.76 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 1343.43 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 968.2 MB in the end (delta: -789.4 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 188.95 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 17:45:53,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:53,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:53,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:53,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:53,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:53,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:53,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:53,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:53,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:53,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:53,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:53,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:53,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:53,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:53,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:53,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:53,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:53,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:53,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:53,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:53,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:53,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:53,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:53,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:53,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:53,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:53,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:53,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:53,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:53,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:53,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:53,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:53,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:53,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:53,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:53,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:53,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:53,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:53,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:53,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:53,988 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:54,029 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:54,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:54,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:54,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:54,035 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:54,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:54,038 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:54,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:54,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:54,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:54,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:54,041 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:54,043 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:54,043 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:54,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:54,044 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:54,046 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:54,046 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:54,046 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:54,047 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:54,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:54,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:54,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:54,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:54,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:54,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:54,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:54,053 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:54,053 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:54,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:54,055 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 -> ef034042979fe1e524a3655a8992190a25335ff0 [2019-11-27 17:45:54,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:54,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:54,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:54,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:54,722 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:54,724 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-27 17:45:54,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4592b0491/bf6ed8c6d9cc4142a7e2f42be517cffe/FLAG275920402 [2019-11-27 17:45:56,149 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:56,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-27 17:45:56,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4592b0491/bf6ed8c6d9cc4142a7e2f42be517cffe/FLAG275920402 [2019-11-27 17:45:56,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4592b0491/bf6ed8c6d9cc4142a7e2f42be517cffe [2019-11-27 17:45:56,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:56,242 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:56,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:56,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:56,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:56,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56, skipping insertion in model container [2019-11-27 17:45:56,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:56,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:57,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:57,320 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:57,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:57,586 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:57,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57 WrapperNode [2019-11-27 17:45:57,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:57,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:57,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:57,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:57,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:57,795 INFO L168 Benchmark]: Toolchain (without parser) took 1551.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 665.7 kB). Peak memory consumption was 731.3 kB. Max. memory is 12.5 GB. [2019-11-27 17:45:57,796 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:57,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1349.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:57,810 INFO L168 Benchmark]: Boogie Preprocessor took 192.25 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 17:45:57,818 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1349.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 192.25 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...