./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 da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-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 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.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 2c7de5fb661efaece6ac30dedf2d78ac089ace75 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:16,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:16,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:16,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:16,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:16,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:16,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:16,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:17,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:17,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:17,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:17,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:17,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:17,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:17,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:17,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:17,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:17,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:17,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:17,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:17,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:17,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:17,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:17,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:17,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:17,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:17,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:17,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:17,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:17,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:17,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:17,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:17,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:17,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:17,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:17,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:17,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:17,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:17,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:17,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:17,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:17,117 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:17,154 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:17,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:17,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:17,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:17,163 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:17,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:17,164 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:17,164 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:17,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:17,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:17,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:17,168 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:17,169 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:17,169 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:17,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:17,170 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:17,172 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:17,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:17,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:17,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:17,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:17,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:17,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:17,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:17,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:17,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:17,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:17,177 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 [2019-11-27 11:23:17,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:17,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:17,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:17,802 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:17,804 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:17,805 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2019-11-27 11:23:17,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f23934d1/4c587daac36b432d9102e71cfd87e894/FLAGc4e1b54ef [2019-11-27 11:23:19,086 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:19,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2019-11-27 11:23:19,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f23934d1/4c587daac36b432d9102e71cfd87e894/FLAGc4e1b54ef [2019-11-27 11:23:19,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f23934d1/4c587daac36b432d9102e71cfd87e894 [2019-11-27 11:23:19,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:19,141 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:19,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:19,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:19,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:19,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:19" (1/1) ... [2019-11-27 11:23:19,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16617064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19, skipping insertion in model container [2019-11-27 11:23:19,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:19" (1/1) ... [2019-11-27 11:23:19,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:19,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:20,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:20,110 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:20,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:20,401 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:20,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20 WrapperNode [2019-11-27 11:23:20,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:20,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:20,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:20,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:20,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:20,645 INFO L168 Benchmark]: Toolchain (without parser) took 1486.30 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. [2019-11-27 11:23:20,647 INFO L168 Benchmark]: CDTParser took 4.08 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:20,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1251.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:20,655 INFO L168 Benchmark]: Boogie Preprocessor took 214.82 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:20,660 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.08 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 1251.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 214.82 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:24,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:24,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:24,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:24,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:24,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:24,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:24,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:24,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:24,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:24,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:24,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:24,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:24,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:24,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:24,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:24,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:24,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:24,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:24,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:24,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:24,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:24,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:24,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:24,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:24,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:24,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:24,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:24,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:24,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:24,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:24,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:24,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:24,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:24,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:24,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:24,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:24,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:24,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:24,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:24,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:24,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:24,604 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:24,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:24,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:24,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:24,611 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:24,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:24,614 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:24,614 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:24,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:24,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:24,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:24,616 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:24,617 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:24,617 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:24,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:24,619 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:24,619 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:24,620 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:24,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:24,622 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:24,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:24,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:24,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:24,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:24,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:24,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:24,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:24,626 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:24,626 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:24,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:24,628 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 -> 2c7de5fb661efaece6ac30dedf2d78ac089ace75 [2019-11-27 11:23:25,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:25,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:25,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:25,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:25,298 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:25,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2019-11-27 11:23:25,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9087da7ad/40d9b719ef7c4409a03a9e47145ff906/FLAG52932448b [2019-11-27 11:23:26,696 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:26,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2019-11-27 11:23:26,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9087da7ad/40d9b719ef7c4409a03a9e47145ff906/FLAG52932448b [2019-11-27 11:23:26,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9087da7ad/40d9b719ef7c4409a03a9e47145ff906 [2019-11-27 11:23:26,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:26,797 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:26,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:26,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:26,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:26,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:26" (1/1) ... [2019-11-27 11:23:26,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9334ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:26, skipping insertion in model container [2019-11-27 11:23:26,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:26" (1/1) ... [2019-11-27 11:23:26,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:26,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:27,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:27,966 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:28,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:28,254 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:28,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28 WrapperNode [2019-11-27 11:23:28,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:28,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:28,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:28,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:28,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:28,501 INFO L168 Benchmark]: Toolchain (without parser) took 1697.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 968.2 MB in the end (delta: -780.3 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:28,502 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:28,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1458.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:28,511 INFO L168 Benchmark]: Boogie Preprocessor took 232.84 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:28,519 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1458.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 232.84 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 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...