./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_prepend_equal.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/dll2c_prepend_equal.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 961cc3a58fcae29742bbb59c935dd1303821abd8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_prepend_equal.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 961cc3a58fcae29742bbb59c935dd1303821abd8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:45:22,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:22,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:23,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:23,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:23,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:23,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:23,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:23,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:23,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:23,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:23,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:23,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:23,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:23,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:23,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:23,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:23,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:23,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:23,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:23,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:23,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:23,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:23,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:23,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:23,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:23,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:23,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:23,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:23,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:23,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:23,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:23,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:23,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:23,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:23,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:23,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:23,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:23,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:23,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:23,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:23,163 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:23,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:23,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:23,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:23,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:23,210 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:23,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:23,213 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:23,213 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:23,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:23,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:23,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:23,216 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:23,216 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:23,216 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:23,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:23,218 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:23,218 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:23,218 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:23,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:23,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:23,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:23,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:23,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:23,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:23,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:23,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:23,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:23,226 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 -> 961cc3a58fcae29742bbb59c935dd1303821abd8 [2019-11-27 17:45:23,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:23,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:23,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:23,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:23,848 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:23,851 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2019-11-27 17:45:24,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e872dd4/4ba0c039a3184cafa6e97d0c0aa5f1a3/FLAG02b7df6d6 [2019-11-27 17:45:25,277 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:25,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2019-11-27 17:45:25,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e872dd4/4ba0c039a3184cafa6e97d0c0aa5f1a3/FLAG02b7df6d6 [2019-11-27 17:45:25,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e872dd4/4ba0c039a3184cafa6e97d0c0aa5f1a3 [2019-11-27 17:45:25,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:25,346 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:25,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:25,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:25,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:25,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,383 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 05:45:25, skipping insertion in model container [2019-11-27 17:45:25,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:25,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:26,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:26,485 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:26,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:26,773 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:26,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26 WrapperNode [2019-11-27 17:45:26,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:26,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:26,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:26,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:26,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:26,991 INFO L168 Benchmark]: Toolchain (without parser) took 1631.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-27 17:45:26,992 INFO L168 Benchmark]: CDTParser took 0.88 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 17:45:27,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1412.72 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. [2019-11-27 17:45:27,005 INFO L168 Benchmark]: Boogie Preprocessor took 195.23 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 17:45:27,008 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 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 1412.72 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 195.23 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 0.1.24-509859d [2019-11-27 17:45:30,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:30,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:30,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:30,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:30,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:30,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:30,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:30,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:30,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:30,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:30,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:30,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:30,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:30,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:30,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:30,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:30,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:30,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:31,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:31,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:31,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:31,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:31,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:31,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:31,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:31,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:31,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:31,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:31,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:31,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:31,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:31,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:31,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:31,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:31,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:31,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:31,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:31,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:31,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:31,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:31,066 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:31,107 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:31,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:31,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:31,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:31,114 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:31,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:31,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:31,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:31,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:31,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:31,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:31,119 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:31,120 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:31,123 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:31,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:31,123 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:31,124 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:31,124 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:31,124 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:31,125 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:31,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:31,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:31,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:31,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:31,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:31,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:31,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:31,129 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:31,130 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:31,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:31,134 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 -> 961cc3a58fcae29742bbb59c935dd1303821abd8 [2019-11-27 17:45:31,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:31,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:31,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:31,738 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:31,741 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:31,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2019-11-27 17:45:31,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499840335/1f941b52a3194d4ab95991263acc090a/FLAGeff7e7706 [2019-11-27 17:45:33,132 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:33,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2019-11-27 17:45:33,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499840335/1f941b52a3194d4ab95991263acc090a/FLAGeff7e7706 [2019-11-27 17:45:33,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499840335/1f941b52a3194d4ab95991263acc090a [2019-11-27 17:45:33,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:33,209 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:33,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:33,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:33,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:33,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:33,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1353300f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33, skipping insertion in model container [2019-11-27 17:45:33,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:33,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:33,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:34,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:34,346 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:34,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:34,629 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:34,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34 WrapperNode [2019-11-27 17:45:34,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:34,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:34,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:34,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:34,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:34,835 INFO L168 Benchmark]: Toolchain (without parser) took 1618.26 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 966.7 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:34,836 INFO L168 Benchmark]: CDTParser took 3.56 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 17:45:34,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1405.49 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. [2019-11-27 17:45:34,842 INFO L168 Benchmark]: Boogie Preprocessor took 192.74 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 17:45:34,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.56 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 1405.49 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 192.74 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...