./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.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-ext3-properties/sll_length_check-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 13de6e88afef243c8793160461f39a44fcce6b24 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-ext3-properties/sll_length_check-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 13de6e88afef243c8793160461f39a44fcce6b24 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:54,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:54,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:54,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:54,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:54,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:54,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:54,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:54,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:54,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:54,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:54,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:54,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:54,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:54,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:54,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:54,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:54,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:54,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:54,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:54,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:54,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:54,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:54,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:54,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:54,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:54,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:54,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:54,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:54,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:54,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:54,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:54,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:54,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:54,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:54,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:54,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:54,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:54,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:54,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:54,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:54,283 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:54,319 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:54,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:54,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:54,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:54,328 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:54,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:54,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:54,329 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:54,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:54,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:54,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:54,333 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:54,333 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:54,333 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:54,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:54,336 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:54,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:54,337 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:54,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:54,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:54,338 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:54,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:54,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:54,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:54,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:54,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:54,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:54,342 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 -> 13de6e88afef243c8793160461f39a44fcce6b24 [2019-11-27 17:45:54,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:54,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:54,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:54,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:54,911 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:54,912 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-27 17:45:55,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82cf7082d/6c78d2ccfe8b47069a4dd39ceb76edee/FLAGcea008687 [2019-11-27 17:45:56,133 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:56,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-27 17:45:56,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82cf7082d/6c78d2ccfe8b47069a4dd39ceb76edee/FLAGcea008687 [2019-11-27 17:45:56,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82cf7082d/6c78d2ccfe8b47069a4dd39ceb76edee [2019-11-27 17:45:56,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:56,721 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:56,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:56,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:56,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:56,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0a8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56, skipping insertion in model container [2019-11-27 17:45:56,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:56,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:57,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:57,669 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:57,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:57,900 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:57,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57 WrapperNode [2019-11-27 17:45:57,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:57,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:57,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:57,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:57,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:58,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:58,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:58,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:58,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:58,056 INFO L168 Benchmark]: Toolchain (without parser) took 1320.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 979.5 MB in the end (delta: -17.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:58,061 INFO L168 Benchmark]: CDTParser took 3.18 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 17:45:58,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1177.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 979.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:58,068 INFO L168 Benchmark]: Boogie Preprocessor took 134.07 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:58,075 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.18 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 1177.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 979.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 134.07 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 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 0.1.24-509859d [2019-11-27 17:46:01,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:01,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:01,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:01,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:01,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:01,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:01,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:01,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:01,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:01,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:01,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:01,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:01,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:02,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:02,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:02,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:02,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:02,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:02,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:02,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:02,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:02,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:02,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:02,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:02,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:02,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:02,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:02,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:02,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:02,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:02,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:02,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:02,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:02,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:02,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:02,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:02,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:02,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:02,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:02,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:02,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:46:02,134 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:02,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:02,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:02,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:02,139 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:02,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:02,142 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:02,142 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:02,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:02,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:02,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:02,145 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:02,145 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:02,146 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:02,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:02,148 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:02,148 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:46:02,148 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:46:02,149 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:02,149 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:02,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:02,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:02,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:02,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:02,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:02,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:02,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:02,154 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:46:02,155 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:46:02,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:46:02,158 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 -> 13de6e88afef243c8793160461f39a44fcce6b24 [2019-11-27 17:46:02,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:02,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:02,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:02,801 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:02,801 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:02,804 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-27 17:46:02,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c973969e/3ebde7caa6584bf88def98d84b4f89fd/FLAG173fe9e39 [2019-11-27 17:46:04,065 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:04,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-27 17:46:04,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c973969e/3ebde7caa6584bf88def98d84b4f89fd/FLAG173fe9e39 [2019-11-27 17:46:04,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c973969e/3ebde7caa6584bf88def98d84b4f89fd [2019-11-27 17:46:04,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:04,599 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:04,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:04,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:04,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:04,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:04" (1/1) ... [2019-11-27 17:46:04,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1337672f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:04, skipping insertion in model container [2019-11-27 17:46:04,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:04" (1/1) ... [2019-11-27 17:46:04,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:04,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:05,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:05,626 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:05,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:05,883 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:05,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05 WrapperNode [2019-11-27 17:46:05,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:05,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:05,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:05,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:05,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:06,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:06,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:06,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:06,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:06,070 INFO L168 Benchmark]: Toolchain (without parser) took 1469.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:06,074 INFO L168 Benchmark]: CDTParser took 0.33 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 17:46:06,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1288.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:06,077 INFO L168 Benchmark]: Boogie Preprocessor took 171.60 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 17:46:06,083 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 1288.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 171.60 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...