./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2c_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 7fbc512cc0cc4741feb6422c538797cb2d252dab ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_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 7fbc512cc0cc4741feb6422c538797cb2d252dab ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:22:58,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:58,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:58,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:58,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:58,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:58,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:58,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:58,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:58,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:58,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:58,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:58,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:58,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:58,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:58,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:58,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:58,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:58,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:58,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:58,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:58,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:58,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:58,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:58,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:58,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:58,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:58,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:58,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:58,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:58,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:58,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:58,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:58,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:58,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:58,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:58,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:58,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:58,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:58,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:58,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:58,289 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:22:58,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:58,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:58,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:58,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:58,338 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:58,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:58,339 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:58,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:58,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:58,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:58,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:58,343 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:58,343 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:58,344 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:58,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:58,346 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:58,346 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:58,347 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:58,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:58,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:58,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:58,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:58,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:58,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:58,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:58,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:22:58,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:22:58,353 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 -> 7fbc512cc0cc4741feb6422c538797cb2d252dab [2019-11-27 11:22:58,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:58,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:58,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:58,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:58,988 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:58,989 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-27 11:22:59,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3eaefb88/77cb9a36b82647d0a5207cc9cba0f892/FLAGf7b4770ad [2019-11-27 11:23:00,393 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:00,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-27 11:23:00,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3eaefb88/77cb9a36b82647d0a5207cc9cba0f892/FLAGf7b4770ad [2019-11-27 11:23:00,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3eaefb88/77cb9a36b82647d0a5207cc9cba0f892 [2019-11-27 11:23:00,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:00,486 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:00,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:00,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:00,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:00,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:00" (1/1) ... [2019-11-27 11:23:00,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8eb7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:00, skipping insertion in model container [2019-11-27 11:23:00,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:00" (1/1) ... [2019-11-27 11:23:00,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:00,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:01,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:01,595 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:01,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:01,871 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:01,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01 WrapperNode [2019-11-27 11:23:01,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:01,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:01,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:01,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:01,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:01,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:01,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:01,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:02,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:02,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:02,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:01" (1/1) ... [2019-11-27 11:23:02,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:02,088 INFO L168 Benchmark]: Toolchain (without parser) took 1594.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:02,092 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:02,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1383.26 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 972.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:02,099 INFO L168 Benchmark]: Boogie Preprocessor took 204.01 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. [2019-11-27 11:23:02,103 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 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 1383.26 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 972.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 204.01 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-da95e15 [2019-11-27 11:23:06,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:06,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:06,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:06,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:06,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:06,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:06,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:06,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:06,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:06,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:06,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:06,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:06,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:06,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:06,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:06,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:06,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:06,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:06,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:06,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:06,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:06,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:06,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:06,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:06,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:06,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:06,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:06,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:06,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:06,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:06,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:06,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:06,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:06,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:06,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:06,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:06,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:06,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:06,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:06,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:06,395 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:06,435 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:06,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:06,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:06,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:06,445 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:06,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:06,446 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:06,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:06,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:06,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:06,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:06,450 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:06,450 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:06,451 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:06,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:06,453 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:06,453 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:06,453 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:06,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:06,456 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:06,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:06,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:06,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:06,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:06,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:06,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:06,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:06,461 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:06,461 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:06,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:06,465 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 -> 7fbc512cc0cc4741feb6422c538797cb2d252dab [2019-11-27 11:23:07,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:07,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:07,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:07,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:07,164 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:07,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-27 11:23:07,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cdaa4f44/6ade5aa9e1d04abd8f433f576c686c65/FLAG9fffcfcac [2019-11-27 11:23:08,583 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:08,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-27 11:23:08,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cdaa4f44/6ade5aa9e1d04abd8f433f576c686c65/FLAG9fffcfcac [2019-11-27 11:23:08,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cdaa4f44/6ade5aa9e1d04abd8f433f576c686c65 [2019-11-27 11:23:08,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:08,676 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:08,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:08,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:08,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:08,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:08" (1/1) ... [2019-11-27 11:23:08,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8eb7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:08, skipping insertion in model container [2019-11-27 11:23:08,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:08" (1/1) ... [2019-11-27 11:23:08,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:08,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:09,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:09,839 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:09,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:10,113 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:10,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10 WrapperNode [2019-11-27 11:23:10,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:10,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:10,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:10,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:10,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:10,337 INFO L168 Benchmark]: Toolchain (without parser) took 1655.03 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 962.5 MB in the end (delta: -792.9 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:10,338 INFO L168 Benchmark]: CDTParser took 1.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:10,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1436.95 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 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:10,344 INFO L168 Benchmark]: Boogie Preprocessor took 210.21 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:10,351 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1436.95 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 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 210.21 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...