./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 32f26835 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 0.1.24-32f2683 [2019-11-24 22:23:39,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:39,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:39,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:39,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:39,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:39,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:39,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:39,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:39,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:39,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:39,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:39,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:39,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:39,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:39,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:39,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:39,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:39,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:39,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:39,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:39,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:39,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:39,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:39,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:39,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:39,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:39,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:39,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:39,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:39,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:39,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:39,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:39,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:39,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:39,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:39,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:39,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:39,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:39,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:39,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:39,412 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:39,452 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:39,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:39,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:39,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:39,460 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:39,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:39,463 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:39,463 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:39,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:39,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:39,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:39,465 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:39,466 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:39,469 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:39,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:39,470 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:39,470 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:39,471 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:39,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:39,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:39,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:39,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:39,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:39,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:39,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:39,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:39,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:39,476 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 [2019-11-24 22:23:40,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:40,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:40,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:40,185 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:40,188 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:40,189 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-24 22:23:40,359 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d837734a6/1026ea63605442149b26f342d9e9dfcf/FLAGebe047a27 [2019-11-24 22:23:41,543 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:41,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-24 22:23:41,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d837734a6/1026ea63605442149b26f342d9e9dfcf/FLAGebe047a27 [2019-11-24 22:23:41,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d837734a6/1026ea63605442149b26f342d9e9dfcf [2019-11-24 22:23:41,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:41,638 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:41,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:41,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:41,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:41,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:41" (1/1) ... [2019-11-24 22:23:41,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:41, skipping insertion in model container [2019-11-24 22:23:41,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:41" (1/1) ... [2019-11-24 22:23:41,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:41,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:42,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:42,640 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:42,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:42,831 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:42,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42 WrapperNode [2019-11-24 22:23:42,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:42,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:42,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:42,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:42,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:43,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:43,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:43,035 INFO L168 Benchmark]: Toolchain (without parser) took 1388.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:43,036 INFO L168 Benchmark]: CDTParser took 1.51 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. [2019-11-24 22:23:43,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1190.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:43,048 INFO L168 Benchmark]: Boogie Preprocessor took 185.76 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:43,056 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51 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 1190.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 185.76 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 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 0.1.24-32f2683 [2019-11-24 22:23:46,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:46,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:46,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:46,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:46,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:46,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:46,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:46,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:46,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:46,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:47,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:47,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:47,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:47,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:47,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:47,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:47,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:47,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:47,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:47,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:47,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:47,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:47,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:47,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:47,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:47,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:47,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:47,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:47,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:47,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:47,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:47,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:47,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:47,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:47,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:47,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:47,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:47,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:47,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:47,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:47,104 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:47,145 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:47,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:47,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:47,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:47,153 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:47,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:47,155 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:47,156 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:47,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:47,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:47,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:47,158 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:47,160 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:47,160 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:47,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:47,161 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:47,161 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:47,161 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:47,162 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:47,163 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:47,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:47,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:47,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:47,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:47,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:47,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:47,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:47,167 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:47,168 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:47,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:47,170 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 [2019-11-24 22:23:47,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:47,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:47,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:47,862 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:47,864 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:47,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-24 22:23:48,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a86eb8f/80c0f59d58964f3f8927bdd12a4b3d48/FLAG3b26102cb [2019-11-24 22:23:49,299 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:49,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-24 22:23:49,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a86eb8f/80c0f59d58964f3f8927bdd12a4b3d48/FLAG3b26102cb [2019-11-24 22:23:49,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a86eb8f/80c0f59d58964f3f8927bdd12a4b3d48 [2019-11-24 22:23:49,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:49,394 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:49,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:49,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:49,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:49,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:49,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16524808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49, skipping insertion in model container [2019-11-24 22:23:49,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:49,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:49,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:50,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:50,445 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:50,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:50,707 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:50,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:50 WrapperNode [2019-11-24 22:23:50,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:50,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:50,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:50,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:50,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:50" (1/1) ... [2019-11-24 22:23:50,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:50" (1/1) ... [2019-11-24 22:23:50,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:50" (1/1) ... [2019-11-24 22:23:50,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:50" (1/1) ... [2019-11-24 22:23:50,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:50" (1/1) ... [2019-11-24 22:23:50,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:50" (1/1) ... [2019-11-24 22:23:50,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:50" (1/1) ... [2019-11-24 22:23:50,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:50,928 INFO L168 Benchmark]: Toolchain (without parser) took 1528.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:50,928 INFO L168 Benchmark]: CDTParser took 0.48 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. [2019-11-24 22:23:50,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1314.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:50,941 INFO L168 Benchmark]: Boogie Preprocessor took 207.62 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:50,948 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 1314.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 207.62 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 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...