./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 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2c_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 0.1.24-509859d [2019-11-27 17:45:29,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:29,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:29,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:29,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:29,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:29,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:29,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:29,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:29,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:29,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:29,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:29,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:29,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:29,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:29,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:29,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:29,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:29,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:29,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:29,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:29,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:29,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:29,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:29,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:29,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:29,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:29,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:29,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:29,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:29,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:29,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:29,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:29,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:29,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:29,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:29,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:29,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:29,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:29,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:29,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:29,548 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:29,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:29,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:29,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:29,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:29,600 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:29,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:29,601 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:29,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:29,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:29,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:29,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:29,604 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:29,604 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:29,605 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:29,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:29,607 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:29,607 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:29,607 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:29,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:29,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:29,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:29,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:29,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:29,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:29,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:29,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:29,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:29,615 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 [2019-11-27 17:45:30,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:30,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:30,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:30,282 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:30,287 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:30,288 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-27 17:45:30,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a54fa77/976b677aed344c93b2cf198a72c481b3/FLAG9e3368825 [2019-11-27 17:45:31,754 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:31,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-27 17:45:31,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a54fa77/976b677aed344c93b2cf198a72c481b3/FLAG9e3368825 [2019-11-27 17:45:31,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a54fa77/976b677aed344c93b2cf198a72c481b3 [2019-11-27 17:45:31,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:31,855 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:31,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:31,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:31,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:31,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:31" (1/1) ... [2019-11-27 17:45:31,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:31, skipping insertion in model container [2019-11-27 17:45:31,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:31" (1/1) ... [2019-11-27 17:45:31,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:32,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:33,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:33,038 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:33,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:33,334 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:33,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33 WrapperNode [2019-11-27 17:45:33,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:33,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:33,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:33,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:33,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:33,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:33,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:33,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:33,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:33,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:33,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:33,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:33,572 INFO L168 Benchmark]: Toolchain (without parser) took 1712.62 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: 627.8 kB). Peak memory consumption was 693.4 kB. Max. memory is 12.5 GB. [2019-11-27 17:45:33,573 INFO L168 Benchmark]: CDTParser took 0.55 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. [2019-11-27 17:45:33,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1482.00 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 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:33,592 INFO L168 Benchmark]: Boogie Preprocessor took 221.50 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:33,604 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 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 1482.00 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 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 221.50 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:45:37,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:37,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:37,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:37,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:37,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:37,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:37,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:37,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:37,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:37,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:37,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:37,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:37,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:37,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:37,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:37,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:37,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:37,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:37,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:37,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:37,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:37,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:37,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:37,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:37,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:37,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:37,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:37,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:37,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:37,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:37,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:37,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:37,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:37,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:37,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:37,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:37,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:37,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:37,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:37,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:37,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:37,607 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:37,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:37,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:37,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:37,619 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:37,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:37,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:37,620 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:37,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:37,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:37,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:37,622 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:37,622 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:37,623 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:37,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:37,625 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:37,625 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:37,626 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:37,626 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:37,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:37,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:37,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:37,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:37,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:37,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:37,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:37,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:37,633 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:37,633 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:37,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:37,635 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 [2019-11-27 17:45:38,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:38,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:38,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:38,227 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:38,228 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:38,230 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-27 17:45:38,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb4856b4e/f1179074c1ff4798a973045f55ceb1a8/FLAG7fc923331 [2019-11-27 17:45:39,559 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:39,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-27 17:45:39,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb4856b4e/f1179074c1ff4798a973045f55ceb1a8/FLAG7fc923331 [2019-11-27 17:45:40,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb4856b4e/f1179074c1ff4798a973045f55ceb1a8 [2019-11-27 17:45:40,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:40,042 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:40,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:40,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:40,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:40,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:40" (1/1) ... [2019-11-27 17:45:40,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116d978d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:40, skipping insertion in model container [2019-11-27 17:45:40,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:40" (1/1) ... [2019-11-27 17:45:40,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:40,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:41,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:41,128 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:41,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:41,319 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:41,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:41 WrapperNode [2019-11-27 17:45:41,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:41,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:41,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:41,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:41,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:41" (1/1) ... [2019-11-27 17:45:41,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:41" (1/1) ... [2019-11-27 17:45:41,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:41" (1/1) ... [2019-11-27 17:45:41,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:41" (1/1) ... [2019-11-27 17:45:41,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:41" (1/1) ... [2019-11-27 17:45:41,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:41" (1/1) ... [2019-11-27 17:45:41,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:41" (1/1) ... [2019-11-27 17:45:41,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:41,470 INFO L168 Benchmark]: Toolchain (without parser) took 1427.39 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 974.0 MB in the end (delta: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:41,471 INFO L168 Benchmark]: CDTParser took 2.01 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. [2019-11-27 17:45:41,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1272.44 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 979.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:41,479 INFO L168 Benchmark]: Boogie Preprocessor took 139.91 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:41,500 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.01 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 1272.44 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 979.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 139.91 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 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...