./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c6eb4584 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.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 2c7de5fb661efaece6ac30dedf2d78ac089ace75 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 22:20:10,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:20:10,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:20:10,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:20:10,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:20:10,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:20:10,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:20:10,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:20:10,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:20:10,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:20:10,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:20:10,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:20:10,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:20:10,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:20:10,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:20:10,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:20:10,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:20:10,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:20:10,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:20:10,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:20:10,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:20:10,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:20:10,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:20:10,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:20:10,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:20:10,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:20:10,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:20:10,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:20:10,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:20:10,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:20:10,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:20:10,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:20:10,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:20:10,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:20:10,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:20:10,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:20:10,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:20:10,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:20:10,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:20:10,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:20:10,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:20:10,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 22:20:10,295 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:20:10,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:20:10,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:20:10,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:20:10,301 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:20:10,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:20:10,304 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:20:10,304 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:20:10,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:20:10,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:20:10,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:20:10,306 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 22:20:10,309 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 22:20:10,310 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 22:20:10,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:20:10,311 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:20:10,311 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:20:10,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:20:10,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:20:10,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:20:10,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:20:10,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:20:10,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:20:10,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:20:10,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:20:10,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:20:10,319 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 -> 2c7de5fb661efaece6ac30dedf2d78ac089ace75 [2019-11-16 22:20:10,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:20:10,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:20:10,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:20:11,002 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:20:11,007 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:20:11,008 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2019-11-16 22:20:11,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/753554083/c11175669acf47f6a62d11cadc544805/FLAGe57c9f6a8 [2019-11-16 22:20:12,444 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:20:12,449 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2019-11-16 22:20:12,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/753554083/c11175669acf47f6a62d11cadc544805/FLAGe57c9f6a8 [2019-11-16 22:20:12,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/753554083/c11175669acf47f6a62d11cadc544805 [2019-11-16 22:20:12,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:20:12,543 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-16 22:20:12,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:12,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:20:12,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:20:12,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:12" (1/1) ... [2019-11-16 22:20:12,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17dc1ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:12, skipping insertion in model container [2019-11-16 22:20:12,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:12" (1/1) ... [2019-11-16 22:20:12,594 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:20:12,703 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:20:13,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:13,724 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:20:13,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:14,025 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:20:14,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:14 WrapperNode [2019-11-16 22:20:14,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:14,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:20:14,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:20:14,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:20:14,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:14" (1/1) ... [2019-11-16 22:20:14,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:14" (1/1) ... [2019-11-16 22:20:14,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:14" (1/1) ... [2019-11-16 22:20:14,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:14" (1/1) ... [2019-11-16 22:20:14,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:14" (1/1) ... [2019-11-16 22:20:14,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:14" (1/1) ... [2019-11-16 22:20:14,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:14" (1/1) ... [2019-11-16 22:20:14,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:20:14,265 INFO L168 Benchmark]: Toolchain (without parser) took 1710.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:20:14,273 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. [2019-11-16 22:20:14,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1483.13 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. [2019-11-16 22:20:14,282 INFO L168 Benchmark]: Boogie Preprocessor took 217.64 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:14,289 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 1483.13 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 217.64 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...