./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_remove_all.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/dll2n_remove_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9cd680588366d8f4117005099c5fa975e5f03ed ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll2n_remove_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9cd680588366d8f4117005099c5fa975e5f03ed ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:27:46,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:46,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:46,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:46,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:46,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:46,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:46,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:46,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:46,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:46,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:46,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:46,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:46,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:46,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:46,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:46,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:46,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:46,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:46,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:46,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:46,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:46,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:46,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:46,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:46,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:46,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:46,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:46,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:46,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:46,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:46,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:46,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:46,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:46,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:46,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:46,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:46,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:46,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:46,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:46,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:46,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:46,688 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:46,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:46,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:46,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:46,695 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:46,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:46,695 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:46,695 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:46,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:46,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:46,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:46,700 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:46,700 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:46,701 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:46,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:46,701 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:46,701 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:46,702 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:46,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:46,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:46,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:46,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:46,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:46,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:46,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:46,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:46,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:46,705 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 -> d9cd680588366d8f4117005099c5fa975e5f03ed [2019-11-26 00:27:47,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:47,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:47,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:47,123 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:47,125 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:47,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-26 00:27:47,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7e111dc/31a985a6c6b84392a79222be906d7393/FLAG344e1a8ff [2019-11-26 00:27:48,140 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:48,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-26 00:27:48,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7e111dc/31a985a6c6b84392a79222be906d7393/FLAG344e1a8ff [2019-11-26 00:27:48,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7e111dc/31a985a6c6b84392a79222be906d7393 [2019-11-26 00:27:48,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:48,308 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:48,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:48,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:48,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:48,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:48" (1/1) ... [2019-11-26 00:27:48,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1244a76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:48, skipping insertion in model container [2019-11-26 00:27:48,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:48" (1/1) ... [2019-11-26 00:27:48,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:48,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:49,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:49,069 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:49,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:49,242 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:49,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:49 WrapperNode [2019-11-26 00:27:49,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:49,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:49,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:49,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:49,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:49" (1/1) ... [2019-11-26 00:27:49,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:49" (1/1) ... [2019-11-26 00:27:49,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:49" (1/1) ... [2019-11-26 00:27:49,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:49" (1/1) ... [2019-11-26 00:27:49,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:49" (1/1) ... [2019-11-26 00:27:49,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:49" (1/1) ... [2019-11-26 00:27:49,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:49" (1/1) ... [2019-11-26 00:27:49,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:49,384 INFO L168 Benchmark]: Toolchain (without parser) took 1072.89 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: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:49,385 INFO L168 Benchmark]: CDTParser took 0.46 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. [2019-11-26 00:27:49,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 926.78 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: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:49,397 INFO L168 Benchmark]: Boogie Preprocessor took 126.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:49,402 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 926.78 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: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 126.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:52,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:52,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:52,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:52,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:52,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:52,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:52,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:52,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:52,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:52,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:52,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:52,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:52,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:52,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:52,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:52,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:52,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:52,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:52,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:52,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:52,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:52,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:52,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:52,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:52,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:52,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:52,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:52,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:52,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:52,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:52,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:52,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:52,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:52,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:52,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:52,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:52,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:52,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:52,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:52,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:52,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:52,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:52,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:52,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:52,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:52,244 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:52,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:52,244 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:52,245 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:52,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:52,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:52,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:52,248 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:52,248 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:52,249 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:52,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:52,249 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:52,249 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:52,249 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:52,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:52,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:52,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:52,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:52,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:52,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:52,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:52,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:52,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:52,254 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:52,255 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:52,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:52,256 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 -> d9cd680588366d8f4117005099c5fa975e5f03ed [2019-11-26 00:27:52,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:52,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:52,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:52,738 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:52,739 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:52,740 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-26 00:27:52,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53e015e34/7fa97a577cbd45cca451f3a4b67c98fd/FLAGcb4c508b3 [2019-11-26 00:27:53,715 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:53,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-26 00:27:53,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53e015e34/7fa97a577cbd45cca451f3a4b67c98fd/FLAGcb4c508b3 [2019-11-26 00:27:53,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53e015e34/7fa97a577cbd45cca451f3a4b67c98fd [2019-11-26 00:27:53,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:53,881 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:53,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:53,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:53,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:53,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:53" (1/1) ... [2019-11-26 00:27:53,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61efe014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:53, skipping insertion in model container [2019-11-26 00:27:53,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:53" (1/1) ... [2019-11-26 00:27:53,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:53,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:54,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:54,640 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:54,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:54,840 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:54,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54 WrapperNode [2019-11-26 00:27:54,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:54,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:54,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:54,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:54,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:54,991 INFO L168 Benchmark]: Toolchain (without parser) took 1102.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 658.9 kB). Peak memory consumption was 724.4 kB. Max. memory is 12.5 GB. [2019-11-26 00:27:54,991 INFO L168 Benchmark]: CDTParser took 0.21 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 00:27:54,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 954.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:54,993 INFO L168 Benchmark]: Boogie Preprocessor took 139.88 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. [2019-11-26 00:27:55,015 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 954.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 139.88 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...