./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2c_update_all.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 ed4d18349810257ce078dfe4f08b9b953ed4516f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2c_update_all.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 ed4d18349810257ce078dfe4f08b9b953ed4516f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:12,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:12,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:12,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:12,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:12,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:12,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:12,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:12,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:12,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:12,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:12,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:12,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:12,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:12,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:12,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:12,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:12,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:12,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:12,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:12,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:12,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:12,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:12,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:12,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:12,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:12,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:12,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:12,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:12,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:12,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:12,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:12,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:12,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:12,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:12,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:12,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:12,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:12,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:12,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:12,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:12,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:12,777 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:12,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:12,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:12,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:12,783 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:12,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:12,783 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:12,783 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:12,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:12,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:12,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:12,787 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:12,787 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:12,787 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:12,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:12,788 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:12,788 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:12,788 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:12,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:12,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:12,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:12,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:12,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:12,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:12,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:12,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:12,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:12,792 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 -> ed4d18349810257ce078dfe4f08b9b953ed4516f [2019-11-24 22:23:13,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:13,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:13,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:13,262 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:13,264 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:13,265 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-24 22:23:13,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adff9d5a6/23ca7d6c139c4fc794981e3a0cb13aeb/FLAG39ce74f7c [2019-11-24 22:23:14,202 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:14,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-24 22:23:14,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adff9d5a6/23ca7d6c139c4fc794981e3a0cb13aeb/FLAG39ce74f7c [2019-11-24 22:23:14,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adff9d5a6/23ca7d6c139c4fc794981e3a0cb13aeb [2019-11-24 22:23:14,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:14,405 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:14,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:14,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:14,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:14,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:14" (1/1) ... [2019-11-24 22:23:14,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e3f9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:14, skipping insertion in model container [2019-11-24 22:23:14,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:14" (1/1) ... [2019-11-24 22:23:14,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:14,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:15,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:15,164 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:15,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:15,350 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:15,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:15 WrapperNode [2019-11-24 22:23:15,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:15,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:15,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:15,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:15,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:15" (1/1) ... [2019-11-24 22:23:15,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:15" (1/1) ... [2019-11-24 22:23:15,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:15" (1/1) ... [2019-11-24 22:23:15,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:15" (1/1) ... [2019-11-24 22:23:15,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:15" (1/1) ... [2019-11-24 22:23:15,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:15" (1/1) ... [2019-11-24 22:23:15,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:15" (1/1) ... [2019-11-24 22:23:15,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:15,500 INFO L168 Benchmark]: Toolchain (without parser) took 1092.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.8 MB in the end (delta: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:15,515 INFO L168 Benchmark]: CDTParser took 2.27 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. [2019-11-24 22:23:15,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 945.42 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. [2019-11-24 22:23:15,517 INFO L168 Benchmark]: Boogie Preprocessor took 142.01 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. [2019-11-24 22:23:15,523 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.27 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 945.42 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 142.01 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:18,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:18,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:18,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:18,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:18,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:18,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:18,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:18,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:18,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:18,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:18,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:18,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:18,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:18,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:18,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:18,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:18,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:18,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:18,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:18,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:18,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:18,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:18,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:18,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:18,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:18,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:18,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:18,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:18,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:18,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:18,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:18,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:18,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:18,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:18,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:18,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:18,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:18,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:18,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:18,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:18,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:18,417 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:18,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:18,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:18,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:18,425 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:18,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:18,425 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:18,425 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:18,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:18,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:18,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:18,427 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:18,427 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:18,429 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:18,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:18,430 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:18,430 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:18,430 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:18,430 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:18,430 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:18,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:18,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:18,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:18,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:18,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:18,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:18,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:18,435 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:18,435 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:18,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:18,436 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 -> ed4d18349810257ce078dfe4f08b9b953ed4516f [2019-11-24 22:23:18,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:18,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:18,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:18,895 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:18,897 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:18,901 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-24 22:23:19,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3386c550a/820a5e121baf436eb6e15c2648280f3e/FLAG3092561d7 [2019-11-24 22:23:19,841 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:19,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-24 22:23:19,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3386c550a/820a5e121baf436eb6e15c2648280f3e/FLAG3092561d7 [2019-11-24 22:23:20,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3386c550a/820a5e121baf436eb6e15c2648280f3e [2019-11-24 22:23:20,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:20,043 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:20,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:20,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:20,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:20,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:20" (1/1) ... [2019-11-24 22:23:20,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e52e31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:20, skipping insertion in model container [2019-11-24 22:23:20,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:20" (1/1) ... [2019-11-24 22:23:20,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:20,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:20,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:20,807 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:20,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:21,005 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:21,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21 WrapperNode [2019-11-24 22:23:21,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:21,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:21,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:21,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:21,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:21,155 INFO L168 Benchmark]: Toolchain (without parser) took 1111.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 966.8 MB in the end (delta: -3.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:21,160 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-24 22:23:21,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 963.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 972.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:21,168 INFO L168 Benchmark]: Boogie Preprocessor took 144.30 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. [2019-11-24 22:23:21,183 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 963.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 972.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 144.30 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...