./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_prepend_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 025d5a27 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/dll2c_prepend_equal.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 961cc3a58fcae29742bbb59c935dd1303821abd8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/dll2c_prepend_equal.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 961cc3a58fcae29742bbb59c935dd1303821abd8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:57:57,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:57:57,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:57:57,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:57:57,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:57:57,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:57:57,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:57:57,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:57:57,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:57:57,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:57:57,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:57:57,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:57:57,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:57:57,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:57:57,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:57:57,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:57:57,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:57:57,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:57:57,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:57:57,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:57:57,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:57:57,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:57:57,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:57:57,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:57:57,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:57:57,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:57:57,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:57:57,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:57:57,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:57:57,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:57:57,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:57:57,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:57:57,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:57:57,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:57:57,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:57:57,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:57:57,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:57:57,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:57:57,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:57:57,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:57:57,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:57:57,936 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:57:57,964 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:57:57,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:57:57,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:57:57,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:57:57,969 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:57:57,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:57:57,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:57:57,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:57:57,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:57:57,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:57:57,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:57:57,972 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:57:57,972 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:57:57,973 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:57:57,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:57:57,973 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:57:57,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:57:57,976 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:57:57,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:57:57,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:57:57,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:57:57,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:57:57,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:57:57,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:57:57,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:57:57,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:57:57,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:57:57,978 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 -> 961cc3a58fcae29742bbb59c935dd1303821abd8 [2019-11-26 17:57:58,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:57:58,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:57:58,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:57:58,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:57:58,381 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:57:58,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2019-11-26 17:57:58,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82f3bdd3/01fb9c1da3814ee39b19b17287c78b4d/FLAG946ee1695 [2019-11-26 17:57:59,326 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:57:59,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2019-11-26 17:57:59,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82f3bdd3/01fb9c1da3814ee39b19b17287c78b4d/FLAG946ee1695 [2019-11-26 17:57:59,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82f3bdd3/01fb9c1da3814ee39b19b17287c78b4d [2019-11-26 17:57:59,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:57:59,528 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:57:59,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:57:59,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:57:59,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:57:59,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:57:59" (1/1) ... [2019-11-26 17:57:59,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509fde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:57:59, skipping insertion in model container [2019-11-26 17:57:59,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:57:59" (1/1) ... [2019-11-26 17:57:59,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:57:59,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:57:59,919 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:57:59,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34968f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:57:59, skipping insertion in model container [2019-11-26 17:57:59,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:57:59,921 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:57:59,929 INFO L168 Benchmark]: Toolchain (without parser) took 394.58 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:57:59,929 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-26 17:57:59,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.88 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:57:59,940 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 382.88 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 175]: Unsupported Syntax Undefined type __fsid_t RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:58:02,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:02,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:02,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:02,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:02,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:02,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:02,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:02,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:02,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:02,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:02,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:02,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:02,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:02,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:02,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:02,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:02,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:02,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:02,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:02,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:02,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:02,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:02,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:02,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:02,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:02,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:02,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:02,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:02,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:02,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:02,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:02,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:02,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:02,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:02,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:02,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:02,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:02,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:02,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:02,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:02,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:58:02,753 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:02,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:02,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:02,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:02,757 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:02,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:02,757 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:02,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:02,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:02,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:02,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:02,760 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:02,760 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:02,761 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:02,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:02,761 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:02,762 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:58:02,764 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:58:02,764 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:02,764 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:02,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:02,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:02,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:02,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:02,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:02,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:02,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:02,766 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:58:02,769 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:58:02,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:58:02,770 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 -> 961cc3a58fcae29742bbb59c935dd1303821abd8 [2019-11-26 17:58:03,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:03,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:03,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:03,179 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:03,179 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:03,183 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2019-11-26 17:58:03,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94381b04/d68c462c44334bd59d7b45bca718984e/FLAGc55f5e6e7 [2019-11-26 17:58:04,113 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:04,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2019-11-26 17:58:04,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94381b04/d68c462c44334bd59d7b45bca718984e/FLAGc55f5e6e7 [2019-11-26 17:58:04,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94381b04/d68c462c44334bd59d7b45bca718984e [2019-11-26 17:58:04,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:04,307 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:04,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:04,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:04,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:04,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:04" (1/1) ... [2019-11-26 17:58:04,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2288bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:04, skipping insertion in model container [2019-11-26 17:58:04,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:04" (1/1) ... [2019-11-26 17:58:04,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:04,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:04,663 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:04,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15e877eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:04, skipping insertion in model container [2019-11-26 17:58:04,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:04,668 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:04,682 INFO L168 Benchmark]: Toolchain (without parser) took 362.55 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:04,683 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-26 17:58:04,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.35 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:04,688 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 354.35 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 175]: Unsupported Syntax Undefined type __fsid_t RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...