./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 da95e156 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-da95e15 [2019-11-27 11:23:03,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:03,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:03,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:03,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:03,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:03,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:03,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:03,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:03,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:04,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:04,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:04,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:04,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:04,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:04,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:04,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:04,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:04,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:04,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:04,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:04,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:04,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:04,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:04,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:04,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:04,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:04,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:04,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:04,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:04,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:04,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:04,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:04,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:04,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:04,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:04,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:04,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:04,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:04,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:04,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:04,104 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:04,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:04,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:04,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:04,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:04,148 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:04,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:04,151 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:04,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:04,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:04,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:04,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:04,154 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:04,156 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:04,156 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:04,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:04,157 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:04,158 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:04,158 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:04,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:04,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:04,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:04,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:04,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:04,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:04,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:04,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:04,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:04,165 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 [2019-11-27 11:23:04,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:04,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:04,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:04,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:04,812 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:04,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-27 11:23:04,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b711e55/0c3b91933f5049e6aa0cd31b28fccaef/FLAG470bd5df0 [2019-11-27 11:23:06,250 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:06,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-27 11:23:06,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b711e55/0c3b91933f5049e6aa0cd31b28fccaef/FLAG470bd5df0 [2019-11-27 11:23:06,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b711e55/0c3b91933f5049e6aa0cd31b28fccaef [2019-11-27 11:23:06,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:06,342 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:06,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:06,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:06,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:06,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:06" (1/1) ... [2019-11-27 11:23:06,369 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 27.11 11:23:06, skipping insertion in model container [2019-11-27 11:23:06,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:06" (1/1) ... [2019-11-27 11:23:06,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:06,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:07,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:07,453 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:07,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:07,720 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:07,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:07 WrapperNode [2019-11-27 11:23:07,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:07,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:07,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:07,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:07,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:07" (1/1) ... [2019-11-27 11:23:07,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:07" (1/1) ... [2019-11-27 11:23:07,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:07" (1/1) ... [2019-11-27 11:23:07,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:07" (1/1) ... [2019-11-27 11:23:07,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:07" (1/1) ... [2019-11-27 11:23:07,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:07" (1/1) ... [2019-11-27 11:23:07,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:07" (1/1) ... [2019-11-27 11:23:07,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:07,909 INFO L168 Benchmark]: Toolchain (without parser) took 1563.52 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 962.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:07,923 INFO L168 Benchmark]: CDTParser took 0.78 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 11:23:07,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1377.27 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: -818.0 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:07,929 INFO L168 Benchmark]: Boogie Preprocessor took 178.49 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:07,937 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 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 1377.27 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: -818.0 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 178.49 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:11,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:11,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:11,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:11,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:11,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:11,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:11,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:11,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:11,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:11,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:11,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:11,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:11,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:11,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:11,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:11,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:11,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:11,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:11,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:11,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:12,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:12,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:12,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:12,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:12,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:12,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:12,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:12,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:12,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:12,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:12,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:12,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:12,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:12,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:12,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:12,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:12,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:12,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:12,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:12,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:12,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:12,103 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:12,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:12,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:12,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:12,111 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:12,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:12,116 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:12,116 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:12,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:12,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:12,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:12,120 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:12,120 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:12,120 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:12,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:12,121 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:12,122 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:12,125 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:12,125 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:12,125 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:12,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:12,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:12,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:12,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:12,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:12,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:12,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:12,130 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:12,131 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:12,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:12,133 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 [2019-11-27 11:23:12,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:12,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:12,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:12,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:12,782 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:12,784 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-27 11:23:12,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af728433f/0c229aa64b03430caf9354d6e6da284a/FLAGa49ebfa3f [2019-11-27 11:23:14,269 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:14,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-27 11:23:14,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af728433f/0c229aa64b03430caf9354d6e6da284a/FLAGa49ebfa3f [2019-11-27 11:23:14,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af728433f/0c229aa64b03430caf9354d6e6da284a [2019-11-27 11:23:14,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:14,355 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:14,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:14,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:14,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:14,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:14" (1/1) ... [2019-11-27 11:23:14,388 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 11:23:14, skipping insertion in model container [2019-11-27 11:23:14,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:14" (1/1) ... [2019-11-27 11:23:14,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:14,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:15,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:15,581 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:15,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:15,878 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:15,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:15 WrapperNode [2019-11-27 11:23:15,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:15,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:15,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:15,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:15,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:15" (1/1) ... [2019-11-27 11:23:15,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:15" (1/1) ... [2019-11-27 11:23:15,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:15" (1/1) ... [2019-11-27 11:23:15,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:15" (1/1) ... [2019-11-27 11:23:16,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:15" (1/1) ... [2019-11-27 11:23:16,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:15" (1/1) ... [2019-11-27 11:23:16,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:15" (1/1) ... [2019-11-27 11:23:16,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:16,115 INFO L168 Benchmark]: Toolchain (without parser) took 1757.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.7 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:16,119 INFO L168 Benchmark]: CDTParser took 3.11 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:16,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1515.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:16,130 INFO L168 Benchmark]: Boogie Preprocessor took 223.48 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:16,139 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.11 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 1515.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 223.48 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...