./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 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/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 0.1.24-509859d [2019-11-27 17:45:38,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:38,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:38,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:38,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:38,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:38,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:38,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:38,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:38,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:38,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:38,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:38,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:38,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:38,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:38,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:38,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:38,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:38,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:38,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:38,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:38,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:38,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:38,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:38,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:38,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:38,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:38,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:38,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:38,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:38,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:38,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:38,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:38,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:38,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:38,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:38,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:38,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:38,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:38,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:38,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:38,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:38,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:38,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:38,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:38,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:38,966 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:38,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:38,967 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:38,967 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:38,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:38,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:38,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:38,970 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:38,972 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:38,972 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:38,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:38,975 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:38,975 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:38,975 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:38,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:38,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:38,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:38,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:38,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:38,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:38,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:38,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:38,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:38,981 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 [2019-11-27 17:45:39,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:39,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:39,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:39,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:39,616 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:39,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-27 17:45:39,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd8b501b4/ee9f962e81d044c39e5a1c6f0026724a/FLAG53565e230 [2019-11-27 17:45:40,933 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:40,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-27 17:45:40,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd8b501b4/ee9f962e81d044c39e5a1c6f0026724a/FLAG53565e230 [2019-11-27 17:45:41,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd8b501b4/ee9f962e81d044c39e5a1c6f0026724a [2019-11-27 17:45:41,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:41,504 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:41,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:41,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:41,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:41,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:41" (1/1) ... [2019-11-27 17:45:41,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b130812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:41, skipping insertion in model container [2019-11-27 17:45:41,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:41" (1/1) ... [2019-11-27 17:45:41,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:41,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:42,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:42,536 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:42,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:42,832 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:42,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:42 WrapperNode [2019-11-27 17:45:42,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:42,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:42,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:42,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:42,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:42" (1/1) ... [2019-11-27 17:45:42,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:42" (1/1) ... [2019-11-27 17:45:42,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:42" (1/1) ... [2019-11-27 17:45:42,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:42" (1/1) ... [2019-11-27 17:45:42,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:42" (1/1) ... [2019-11-27 17:45:42,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:42" (1/1) ... [2019-11-27 17:45:42,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:42" (1/1) ... [2019-11-27 17:45:43,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:43,032 INFO L168 Benchmark]: Toolchain (without parser) took 1516.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.8 MB in the end (delta: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:43,033 INFO L168 Benchmark]: CDTParser took 0.76 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 17:45:43,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1320.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:43,045 INFO L168 Benchmark]: Boogie Preprocessor took 180.60 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 17:45:43,055 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 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 1320.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 180.60 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 17:45:47,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:47,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:47,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:47,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:47,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:47,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:47,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:47,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:47,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:47,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:47,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:47,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:47,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:47,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:47,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:47,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:47,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:47,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:47,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:47,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:47,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:47,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:47,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:47,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:47,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:47,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:47,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:47,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:47,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:47,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:47,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:47,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:47,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:47,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:47,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:47,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:47,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:47,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:47,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:47,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:47,289 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:47,331 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:47,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:47,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:47,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:47,343 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:47,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:47,344 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:47,344 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:47,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:47,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:47,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:47,347 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:47,347 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:47,349 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:47,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:47,349 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:47,350 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:47,350 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:47,351 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:47,351 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:47,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:47,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:47,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:47,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:47,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:47,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:47,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:47,356 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:47,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:47,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:47,359 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 [2019-11-27 17:45:47,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:47,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:47,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:47,980 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:47,980 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:47,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-27 17:45:48,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc05c72c/8c614192e1da4158867a97944fd51744/FLAGda5db68bc [2019-11-27 17:45:49,331 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:49,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-27 17:45:49,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc05c72c/8c614192e1da4158867a97944fd51744/FLAGda5db68bc [2019-11-27 17:45:49,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc05c72c/8c614192e1da4158867a97944fd51744 [2019-11-27 17:45:49,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:49,834 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:49,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:49,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:49,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:49,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f36d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49, skipping insertion in model container [2019-11-27 17:45:49,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:49,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:50,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:50,885 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:51,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:51,171 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:51,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:51 WrapperNode [2019-11-27 17:45:51,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:51,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:51,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:51,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:51,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:51" (1/1) ... [2019-11-27 17:45:51,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:51" (1/1) ... [2019-11-27 17:45:51,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:51" (1/1) ... [2019-11-27 17:45:51,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:51" (1/1) ... [2019-11-27 17:45:51,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:51" (1/1) ... [2019-11-27 17:45:51,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:51" (1/1) ... [2019-11-27 17:45:51,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:51" (1/1) ... [2019-11-27 17:45:51,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:51,414 INFO L168 Benchmark]: Toolchain (without parser) took 1572.56 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:51,418 INFO L168 Benchmark]: CDTParser took 2.64 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 17:45:51,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1332.41 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 979.7 MB in the end (delta: -13.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:51,430 INFO L168 Benchmark]: Boogie Preprocessor took 225.36 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 17:45:51,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.64 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 1332.41 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 979.7 MB in the end (delta: -13.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 225.36 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...