./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-properties/splice-2.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-properties/splice-2.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 bb2202e8adc36cf09139287c61f8b63b857ea10d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-properties/splice-2.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 bb2202e8adc36cf09139287c61f8b63b857ea10d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:22:53,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:53,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:53,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:53,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:53,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:53,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:53,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:53,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:53,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:53,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:53,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:53,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:53,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:53,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:53,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:53,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:53,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:53,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:53,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:53,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:53,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:53,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:53,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:53,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:53,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:53,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:53,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:53,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:53,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:53,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:53,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:53,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:53,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:53,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:53,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:53,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:53,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:53,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:53,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:53,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:53,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:22:53,312 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:53,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:53,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:53,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:53,320 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:53,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:53,322 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:53,322 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:53,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:53,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:53,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:53,325 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:53,325 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:53,327 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:53,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:53,328 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:53,328 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:53,328 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:53,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:53,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:53,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:53,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:53,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:53,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:53,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:53,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:22:53,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:22:53,334 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 -> bb2202e8adc36cf09139287c61f8b63b857ea10d [2019-11-27 11:22:53,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:53,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:53,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:53,946 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:53,947 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:53,948 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/splice-2.i [2019-11-27 11:22:54,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf6c876c/b6c7f261a3294c309c5bc737ab9c10cf/FLAG53c70962a [2019-11-27 11:22:55,295 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:55,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/splice-2.i [2019-11-27 11:22:55,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf6c876c/b6c7f261a3294c309c5bc737ab9c10cf/FLAG53c70962a [2019-11-27 11:22:55,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf6c876c/b6c7f261a3294c309c5bc737ab9c10cf [2019-11-27 11:22:55,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:55,407 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:55,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:55,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:55,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:55,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:55" (1/1) ... [2019-11-27 11:22:55,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:55, skipping insertion in model container [2019-11-27 11:22:55,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:55" (1/1) ... [2019-11-27 11:22:55,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:55,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:56,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:56,493 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:56,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:56,740 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:56,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56 WrapperNode [2019-11-27 11:22:56,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:56,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:56,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:56,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:56,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2019-11-27 11:22:56,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2019-11-27 11:22:56,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2019-11-27 11:22:56,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2019-11-27 11:22:56,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2019-11-27 11:22:56,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2019-11-27 11:22:56,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2019-11-27 11:22:56,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:56,927 INFO L168 Benchmark]: Toolchain (without parser) took 1501.28 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 978.2 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:56,930 INFO L168 Benchmark]: CDTParser took 1.63 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 11:22:56,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1328.25 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 978.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:56,939 INFO L168 Benchmark]: Boogie Preprocessor took 159.30 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:56,954 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.63 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 1328.25 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 978.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 159.30 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 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 11:23:00,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:00,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:00,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:00,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:00,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:00,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:00,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:00,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:00,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:00,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:00,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:00,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:00,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:00,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:00,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:00,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:00,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:00,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:00,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:00,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:00,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:00,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:00,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:00,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:00,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:00,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:00,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:00,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:00,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:00,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:00,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:00,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:00,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:00,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:00,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:00,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:00,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:00,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:00,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:00,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:00,985 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:01,024 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:01,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:01,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:01,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:01,033 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:01,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:01,033 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:01,034 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:01,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:01,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:01,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:01,036 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:01,036 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:01,037 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:01,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:01,039 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:01,039 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:01,040 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:01,040 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:01,040 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:01,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:01,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:01,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:01,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:01,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:01,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:01,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:01,045 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:01,046 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:01,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:01,047 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 -> bb2202e8adc36cf09139287c61f8b63b857ea10d [2019-11-27 11:23:01,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:01,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:01,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:01,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:01,622 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:01,624 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/splice-2.i [2019-11-27 11:23:01,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a729864/d178953dc3544201bed55c2d837cb4fb/FLAG19061a78d [2019-11-27 11:23:02,968 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:02,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/splice-2.i [2019-11-27 11:23:03,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a729864/d178953dc3544201bed55c2d837cb4fb/FLAG19061a78d [2019-11-27 11:23:03,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a729864/d178953dc3544201bed55c2d837cb4fb [2019-11-27 11:23:03,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:03,103 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:03,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:03,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:03,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:03,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:03" (1/1) ... [2019-11-27 11:23:03,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:03, skipping insertion in model container [2019-11-27 11:23:03,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:03" (1/1) ... [2019-11-27 11:23:03,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:03,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:04,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:04,220 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:04,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:04,479 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:04,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04 WrapperNode [2019-11-27 11:23:04,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:04,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:04,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:04,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:04,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2019-11-27 11:23:04,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2019-11-27 11:23:04,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2019-11-27 11:23:04,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2019-11-27 11:23:04,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2019-11-27 11:23:04,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2019-11-27 11:23:04,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2019-11-27 11:23:04,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:04,698 INFO L168 Benchmark]: Toolchain (without parser) took 1590.80 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 972.4 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:04,699 INFO L168 Benchmark]: CDTParser took 0.32 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 11:23:04,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1371.64 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 978.2 MB in the end (delta: -17.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:04,711 INFO L168 Benchmark]: Boogie Preprocessor took 208.79 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:04,718 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 1371.64 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 978.2 MB in the end (delta: -17.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 208.79 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.4 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...