./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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_unequal.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 b171d8322722cfe50829ea6c9e3bfdd3740068da ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_unequal.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 b171d8322722cfe50829ea6c9e3bfdd3740068da .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:35,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:35,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:35,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:35,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:35,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:35,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:35,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:35,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:35,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:35,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:35,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:35,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:35,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:35,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:35,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:35,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:35,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:35,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:35,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:35,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:35,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:35,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:35,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:35,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:35,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:35,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:35,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:35,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:35,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:35,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:35,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:35,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:35,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:35,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:35,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:35,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:35,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:35,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:35,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:35,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:35,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:35,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:35,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:35,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:35,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:35,242 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:35,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:35,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:35,243 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:35,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:35,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:35,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:35,245 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:35,247 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:35,247 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:35,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:35,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:35,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:35,250 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:35,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:35,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:35,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:35,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:35,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:35,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:35,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:35,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:35,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:35,257 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 -> b171d8322722cfe50829ea6c9e3bfdd3740068da [2019-11-26 00:27:35,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:35,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:35,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:35,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:35,854 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:35,855 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2019-11-26 00:27:36,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998bb7f4e/117319c473de445bbfb759c7788106ed/FLAG6bc8f468c [2019-11-26 00:27:37,280 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:37,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2019-11-26 00:27:37,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998bb7f4e/117319c473de445bbfb759c7788106ed/FLAG6bc8f468c [2019-11-26 00:27:37,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998bb7f4e/117319c473de445bbfb759c7788106ed [2019-11-26 00:27:37,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:37,375 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:37,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:37,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:37,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:37,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,400 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 26.11 12:27:37, skipping insertion in model container [2019-11-26 00:27:37,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:37,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:38,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:38,496 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:38,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:38,832 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:38,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38 WrapperNode [2019-11-26 00:27:38,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:38,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:38,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:38,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:38,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2019-11-26 00:27:38,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2019-11-26 00:27:38,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2019-11-26 00:27:38,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2019-11-26 00:27:39,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2019-11-26 00:27:39,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2019-11-26 00:27:39,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2019-11-26 00:27:39,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:39,052 INFO L168 Benchmark]: Toolchain (without parser) took 1672.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.4 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:39,065 INFO L168 Benchmark]: CDTParser took 1.90 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. [2019-11-26 00:27:39,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1457.68 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 978.2 MB in the end (delta: -10.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:39,071 INFO L168 Benchmark]: Boogie Preprocessor took 204.07 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:39,083 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.90 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 1457.68 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 978.2 MB in the end (delta: -10.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 204.07 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.4 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 0.1.24-65d6cd2 [2019-11-26 00:27:43,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:43,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:43,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:43,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:43,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:43,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:43,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:43,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:43,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:43,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:43,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:43,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:43,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:43,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:43,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:43,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:43,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:43,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:43,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:43,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:43,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:43,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:43,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:43,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:43,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:43,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:43,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:43,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:43,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:43,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:43,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:43,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:43,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:43,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:43,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:43,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:43,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:43,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:43,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:43,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:43,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:43,348 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:43,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:43,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:43,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:43,355 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:43,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:43,358 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:43,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:43,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:43,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:43,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:43,361 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:43,363 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:43,363 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:43,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:43,364 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:43,364 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:43,365 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:43,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:43,368 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:43,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:43,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:43,369 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:43,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:43,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:43,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:43,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:43,370 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:43,373 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:43,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:43,375 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 -> b171d8322722cfe50829ea6c9e3bfdd3740068da [2019-11-26 00:27:43,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:44,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:44,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:44,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:44,014 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:44,017 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2019-11-26 00:27:44,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3b33702/5660ed7c9d55464bac88474f8e27e031/FLAG2e4e750e4 [2019-11-26 00:27:45,430 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:45,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2019-11-26 00:27:45,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3b33702/5660ed7c9d55464bac88474f8e27e031/FLAG2e4e750e4 [2019-11-26 00:27:45,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3b33702/5660ed7c9d55464bac88474f8e27e031 [2019-11-26 00:27:45,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:45,525 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:45,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:45,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:45,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:45,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:45" (1/1) ... [2019-11-26 00:27:45,550 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 26.11 12:27:45, skipping insertion in model container [2019-11-26 00:27:45,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:45" (1/1) ... [2019-11-26 00:27:45,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:45,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:46,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:46,619 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:46,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:46,927 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:46,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:46 WrapperNode [2019-11-26 00:27:46,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:46,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:46,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:46,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:46,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:46" (1/1) ... [2019-11-26 00:27:46,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:46" (1/1) ... [2019-11-26 00:27:47,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:46" (1/1) ... [2019-11-26 00:27:47,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:46" (1/1) ... [2019-11-26 00:27:47,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:46" (1/1) ... [2019-11-26 00:27:47,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:46" (1/1) ... [2019-11-26 00:27:47,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:46" (1/1) ... [2019-11-26 00:27:47,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:47,178 INFO L168 Benchmark]: Toolchain (without parser) took 1649.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.7 MB in the end (delta: 687.2 kB). Peak memory consumption was 752.7 kB. Max. memory is 12.5 GB. [2019-11-26 00:27:47,181 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-26 00:27:47,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1402.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:47,195 INFO L168 Benchmark]: Boogie Preprocessor took 236.96 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. [2019-11-26 00:27:47,206 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1402.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 236.96 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...