./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_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/dll2c_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 16891def4f6ae6ab6c00fe328146dbdee1a68356 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll2c_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 16891def4f6ae6ab6c00fe328146dbdee1a68356 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:23:13,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:13,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:13,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:13,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:13,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:13,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:14,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:14,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:14,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:14,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:14,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:14,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:14,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:14,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:14,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:14,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:14,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:14,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:14,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:14,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:14,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:14,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:14,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:14,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:14,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:14,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:14,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:14,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:14,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:14,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:14,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:14,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:14,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:14,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:14,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:14,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:14,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:14,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:14,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:14,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:14,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:14,161 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:14,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:14,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:14,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:14,170 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:14,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:14,171 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:14,171 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:14,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:14,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:14,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:14,173 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:14,173 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:14,174 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:14,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:14,176 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:14,176 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:14,177 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:14,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:14,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:14,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:14,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:14,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:14,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:14,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:14,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:14,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:14,183 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 -> 16891def4f6ae6ab6c00fe328146dbdee1a68356 [2019-11-24 22:23:14,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:14,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:14,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:14,791 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:14,793 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:14,796 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-24 22:23:14,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f327ec73c/89e6920d7c6c4228a60651fa5d693803/FLAGe05543685 [2019-11-24 22:23:16,252 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:16,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-24 22:23:16,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f327ec73c/89e6920d7c6c4228a60651fa5d693803/FLAGe05543685 [2019-11-24 22:23:16,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f327ec73c/89e6920d7c6c4228a60651fa5d693803 [2019-11-24 22:23:16,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:16,346 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:16,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:16,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:16,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:16,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:16" (1/1) ... [2019-11-24 22:23:16,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9334ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:16, skipping insertion in model container [2019-11-24 22:23:16,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:16" (1/1) ... [2019-11-24 22:23:16,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:16,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:17,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:17,495 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:17,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:17,781 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:17,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:17 WrapperNode [2019-11-24 22:23:17,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:17,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:17,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:17,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:17,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:17" (1/1) ... [2019-11-24 22:23:17,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:17" (1/1) ... [2019-11-24 22:23:17,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:17" (1/1) ... [2019-11-24 22:23:17,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:17" (1/1) ... [2019-11-24 22:23:17,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:17" (1/1) ... [2019-11-24 22:23:17,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:17" (1/1) ... [2019-11-24 22:23:17,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:17" (1/1) ... [2019-11-24 22:23:18,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:18,030 INFO L168 Benchmark]: Toolchain (without parser) took 1680.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:18,039 INFO L168 Benchmark]: CDTParser took 0.92 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 22:23:18,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1436.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:18,045 INFO L168 Benchmark]: Boogie Preprocessor took 232.30 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. [2019-11-24 22:23:18,056 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 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 1436.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 232.30 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:22,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:22,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:22,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:22,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:22,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:22,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:22,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:22,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:22,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:22,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:22,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:22,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:22,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:22,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:22,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:22,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:22,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:22,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:22,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:22,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:22,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:22,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:22,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:22,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:22,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:22,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:22,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:22,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:22,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:22,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:22,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:22,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:22,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:22,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:22,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:22,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:22,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:22,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:22,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:22,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:22,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:22,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:22,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:22,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:22,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:22,263 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:22,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:22,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:22,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:22,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:22,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:22,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:22,271 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:22,271 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:22,272 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:22,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:22,272 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:22,273 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:22,273 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:22,273 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:22,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:22,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:22,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:22,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:22,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:22,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:22,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:22,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:22,279 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:22,279 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:22,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:22,282 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 -> 16891def4f6ae6ab6c00fe328146dbdee1a68356 [2019-11-24 22:23:22,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:22,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:22,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:22,879 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:22,880 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:22,881 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-24 22:23:23,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f5acb3f/d7be3fdb146348e58dfacf3d2d63e9c7/FLAG442c98ee0 [2019-11-24 22:23:24,309 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:24,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-24 22:23:24,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f5acb3f/d7be3fdb146348e58dfacf3d2d63e9c7/FLAG442c98ee0 [2019-11-24 22:23:24,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f5acb3f/d7be3fdb146348e58dfacf3d2d63e9c7 [2019-11-24 22:23:24,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:24,406 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:24,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:24,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:24,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:24,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:24" (1/1) ... [2019-11-24 22:23:24,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9334ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:24, skipping insertion in model container [2019-11-24 22:23:24,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:24" (1/1) ... [2019-11-24 22:23:24,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:24,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:25,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:25,566 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:25,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:25,881 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:25,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:25 WrapperNode [2019-11-24 22:23:25,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:25,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:25,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:25,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:25,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:25" (1/1) ... [2019-11-24 22:23:25,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:25" (1/1) ... [2019-11-24 22:23:25,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:25" (1/1) ... [2019-11-24 22:23:25,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:25" (1/1) ... [2019-11-24 22:23:26,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:25" (1/1) ... [2019-11-24 22:23:26,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:25" (1/1) ... [2019-11-24 22:23:26,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:25" (1/1) ... [2019-11-24 22:23:26,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:26,106 INFO L168 Benchmark]: Toolchain (without parser) took 1694.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:26,107 INFO L168 Benchmark]: CDTParser took 0.98 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 22:23:26,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1474.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:26,112 INFO L168 Benchmark]: Boogie Preprocessor took 210.37 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. [2019-11-24 22:23:26,132 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 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 1474.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 210.37 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...