./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.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/sll2n_remove_all_reverse.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 13cb8f020c937b6a3b0b6c39b85904cffb8b3ba5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sll2n_remove_all_reverse.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 13cb8f020c937b6a3b0b6c39b85904cffb8b3ba5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:23:18,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:18,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:18,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:18,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:18,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:18,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:18,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:18,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:18,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:18,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:18,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:18,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:18,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:18,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:18,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:18,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:18,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:18,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:18,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:19,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:19,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:19,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:19,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:19,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:19,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:19,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:19,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:19,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:19,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:19,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:19,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:19,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:19,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:19,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:19,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:19,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:19,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:19,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:19,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:19,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:19,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:19,070 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:19,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:19,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:19,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:19,075 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:19,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:19,075 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:19,076 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:19,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:19,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:19,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:19,080 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:19,080 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:19,080 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:19,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:19,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:19,081 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:19,081 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:19,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:19,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:19,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:19,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:19,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:19,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:19,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:19,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:19,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:19,085 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 -> 13cb8f020c937b6a3b0b6c39b85904cffb8b3ba5 [2019-11-27 11:23:19,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:19,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:19,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:19,570 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:19,570 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:19,571 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-27 11:23:19,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d506266/a31d54645637464c874bbbfeefe24597/FLAG8e71339c9 [2019-11-27 11:23:20,512 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:20,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-27 11:23:20,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d506266/a31d54645637464c874bbbfeefe24597/FLAG8e71339c9 [2019-11-27 11:23:20,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d506266/a31d54645637464c874bbbfeefe24597 [2019-11-27 11:23:20,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:20,692 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:20,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:20,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:20,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:20,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f2aa46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20, skipping insertion in model container [2019-11-27 11:23:20,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:20,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:21,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:21,399 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:21,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:21,582 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:21,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21 WrapperNode [2019-11-27 11:23:21,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:21,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:21,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:21,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:21,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:21,734 INFO L168 Benchmark]: Toolchain (without parser) took 1027.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.2 MB in the end (delta: -8.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:21,736 INFO L168 Benchmark]: CDTParser took 0.40 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 11:23:21,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 892.97 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 968.2 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:21,741 INFO L168 Benchmark]: Boogie Preprocessor took 127.49 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:21,746 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 892.97 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 968.2 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 127.49 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 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 11:23:24,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:24,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:24,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:24,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:24,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:24,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:24,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:24,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:24,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:24,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:24,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:24,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:24,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:24,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:24,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:24,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:24,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:24,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:24,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:24,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:24,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:24,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:24,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:24,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:24,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:24,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:24,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:24,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:24,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:24,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:24,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:24,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:24,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:24,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:24,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:24,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:24,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:24,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:24,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:24,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:24,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:24,526 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:24,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:24,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:24,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:24,531 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:24,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:24,534 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:24,534 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:24,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:24,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:24,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:24,536 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:24,536 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:24,536 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:24,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:24,537 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:24,537 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:24,537 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:24,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:24,539 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:24,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:24,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:24,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:24,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:24,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:24,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:24,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:24,542 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:24,542 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:24,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:24,543 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 -> 13cb8f020c937b6a3b0b6c39b85904cffb8b3ba5 [2019-11-27 11:23:24,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:25,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:25,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:25,022 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:25,024 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:25,025 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-27 11:23:25,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3598a33b8/dd9bc1a41e7849618c40375017e2d8d2/FLAG081a0611f [2019-11-27 11:23:25,942 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:25,943 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-27 11:23:25,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3598a33b8/dd9bc1a41e7849618c40375017e2d8d2/FLAG081a0611f [2019-11-27 11:23:26,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3598a33b8/dd9bc1a41e7849618c40375017e2d8d2 [2019-11-27 11:23:26,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:26,158 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:26,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:26,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:26,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:26,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:26" (1/1) ... [2019-11-27 11:23:26,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f2aa46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:26, skipping insertion in model container [2019-11-27 11:23:26,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:26" (1/1) ... [2019-11-27 11:23:26,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:26,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:26,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:26,915 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:27,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:27,116 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:27,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:27 WrapperNode [2019-11-27 11:23:27,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:27,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:27,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:27,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:27,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:27" (1/1) ... [2019-11-27 11:23:27,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:27" (1/1) ... [2019-11-27 11:23:27,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:27" (1/1) ... [2019-11-27 11:23:27,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:27" (1/1) ... [2019-11-27 11:23:27,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:27" (1/1) ... [2019-11-27 11:23:27,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:27" (1/1) ... [2019-11-27 11:23:27,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:27" (1/1) ... [2019-11-27 11:23:27,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:27,309 INFO L168 Benchmark]: Toolchain (without parser) took 1146.71 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: -796.9 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:27,312 INFO L168 Benchmark]: CDTParser took 1.47 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 11:23:27,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 952.98 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 11:23:27,317 INFO L168 Benchmark]: Boogie Preprocessor took 180.89 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 11:23:27,320 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47 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 952.98 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 180.89 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...