./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2c_append_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2c_append_equal.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 bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/sll2c_append_equal.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 bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:50,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:50,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:50,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:50,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:50,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:50,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:50,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:50,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:50,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:50,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:50,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:50,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:50,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:50,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:50,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:50,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:50,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:50,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:50,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:50,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:50,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:50,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:50,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:50,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:50,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:50,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:50,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:50,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:50,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:50,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:50,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:50,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:50,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:50,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:50,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:50,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:50,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:50,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:50,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:50,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:50,717 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:50,755 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:50,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:50,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:50,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:50,763 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:50,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:50,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:50,766 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:50,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:50,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:50,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:50,770 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:50,770 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:50,771 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:50,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:50,771 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:50,773 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:50,773 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:50,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:50,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:50,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:50,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:50,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:50,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:50,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:50,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:50,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:50,778 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 -> bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 [2019-11-26 00:27:51,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:51,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:51,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:51,428 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:51,429 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:51,431 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-26 00:27:51,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39e568b0/805ac2448d30459ca4d86138923e8258/FLAGe92ecef0e [2019-11-26 00:27:52,792 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:52,795 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-26 00:27:52,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39e568b0/805ac2448d30459ca4d86138923e8258/FLAGe92ecef0e [2019-11-26 00:27:53,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39e568b0/805ac2448d30459ca4d86138923e8258 [2019-11-26 00:27:53,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:53,312 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:53,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:53,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:53,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:53,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:53" (1/1) ... [2019-11-26 00:27:53,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be22f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:53, skipping insertion in model container [2019-11-26 00:27:53,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:53" (1/1) ... [2019-11-26 00:27:53,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:53,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:54,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:54,430 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:54,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:54,709 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:54,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54 WrapperNode [2019-11-26 00:27:54,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:54,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:54,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:54,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:54,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:54" (1/1) ... [2019-11-26 00:27:54,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:54,904 INFO L168 Benchmark]: Toolchain (without parser) took 1573.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 968.3 MB in the end (delta: -2.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:54,907 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:54,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1389.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 974.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:54,913 INFO L168 Benchmark]: Boogie Preprocessor took 169.80 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:54,923 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 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 1389.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 974.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 169.80 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 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 0.1.24-65d6cd2 [2019-11-26 00:27:58,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:59,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:59,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:59,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:59,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:59,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:59,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:59,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:59,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:59,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:59,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:59,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:59,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:59,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:59,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:59,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:59,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:59,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:59,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:59,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:59,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:59,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:59,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:59,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:59,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:59,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:59,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:59,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:59,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:59,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:59,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:59,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:59,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:59,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:59,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:59,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:59,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:59,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:59,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:59,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:59,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:59,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:59,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:59,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:59,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:59,256 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:59,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:59,257 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:59,257 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:59,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:59,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:59,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:59,261 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:59,262 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:59,264 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:59,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:59,265 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:59,265 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:59,266 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:59,266 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:59,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:59,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:59,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:59,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:59,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:59,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:59,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:59,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:59,274 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:59,274 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:59,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:59,275 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 -> bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 [2019-11-26 00:27:59,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:59,951 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:59,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:59,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:59,965 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:59,967 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-26 00:28:00,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dc377c7b/dff73e79c9fd405e8a77e7372c6ba5fa/FLAGf87b491ce [2019-11-26 00:28:01,350 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:01,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-26 00:28:01,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dc377c7b/dff73e79c9fd405e8a77e7372c6ba5fa/FLAGf87b491ce [2019-11-26 00:28:01,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dc377c7b/dff73e79c9fd405e8a77e7372c6ba5fa [2019-11-26 00:28:01,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:01,440 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:01,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:01,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:01,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:01,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01, skipping insertion in model container [2019-11-26 00:28:01,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:01,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:02,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:02,541 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:02,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:02,797 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:02,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02 WrapperNode [2019-11-26 00:28:02,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:02,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:02,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:02,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:02,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:02,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:02,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:02,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:02,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:02,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:03,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:03,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:03,042 INFO L168 Benchmark]: Toolchain (without parser) took 1592.14 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 966.7 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:03,043 INFO L168 Benchmark]: CDTParser took 1.60 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:03,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1361.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:03,056 INFO L168 Benchmark]: Boogie Preprocessor took 223.93 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:03,067 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1361.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 223.93 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 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...