./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_append_unequal.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/dll2n_append_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 b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/dll2n_append_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 b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:57:59,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:57:59,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:57:59,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:57:59,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:57:59,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:57:59,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:00,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:00,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:00,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:00,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:00,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:00,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:00,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:00,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:00,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:00,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:00,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:00,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:00,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:00,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:00,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:00,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:00,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:00,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:00,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:00,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:00,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:00,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:00,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:00,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:00,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:00,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:00,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:00,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:00,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:00,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:00,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:00,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:00,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:00,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:00,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:58:00,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:00,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:00,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:00,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:00,176 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:00,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:00,179 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:00,179 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:00,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:00,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:00,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:00,182 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:00,184 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:00,185 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:00,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:00,185 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:00,186 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:00,186 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:00,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:00,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:00,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:00,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:00,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:00,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:00,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:00,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:58:00,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:58:00,192 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 -> b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 [2019-11-26 17:58:00,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:00,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:00,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:00,804 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:00,805 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:00,806 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-26 17:58:00,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f523622bd/c391dbd518f34b809d161a9cf024864c/FLAG09dd9522e [2019-11-26 17:58:02,176 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:02,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-26 17:58:02,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f523622bd/c391dbd518f34b809d161a9cf024864c/FLAG09dd9522e [2019-11-26 17:58:02,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f523622bd/c391dbd518f34b809d161a9cf024864c [2019-11-26 17:58:02,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:02,265 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:02,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:02,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:02,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:02,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:02" (1/1) ... [2019-11-26 17:58:02,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cf8e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:02, skipping insertion in model container [2019-11-26 17:58:02,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:02" (1/1) ... [2019-11-26 17:58:02,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:02,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:02,785 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:02,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a2352be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:02, skipping insertion in model container [2019-11-26 17:58:02,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:02,793 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:02,797 INFO L168 Benchmark]: Toolchain (without parser) took 530.27 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 17:58:02,801 INFO L168 Benchmark]: CDTParser took 2.23 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 17:58:02,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.26 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 17:58:02,810 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.23 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 524.26 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 17:58:06,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:06,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:06,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:06,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:06,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:06,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:06,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:06,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:06,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:06,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:06,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:06,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:06,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:06,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:06,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:06,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:06,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:06,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:06,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:06,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:06,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:06,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:06,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:06,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:06,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:06,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:06,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:06,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:06,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:06,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:06,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:06,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:06,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:06,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:06,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:06,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:06,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:06,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:06,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:06,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:06,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:58:06,889 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:06,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:06,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:06,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:06,897 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:06,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:06,897 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:06,899 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:06,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:06,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:06,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:06,902 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:06,902 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:06,905 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:06,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:06,906 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:06,906 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:58:06,906 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:58:06,907 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:06,907 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:06,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:06,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:06,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:06,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:06,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:06,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:06,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:06,912 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:58:06,912 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:58:06,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:58:06,914 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 -> b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 [2019-11-26 17:58:07,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:07,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:07,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:07,579 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:07,583 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:07,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-26 17:58:07,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28efdca24/56dc7d7883bc4e7b832ab30dcf6bacbe/FLAG20b3e3c33 [2019-11-26 17:58:08,955 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:08,963 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-26 17:58:08,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28efdca24/56dc7d7883bc4e7b832ab30dcf6bacbe/FLAG20b3e3c33 [2019-11-26 17:58:09,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28efdca24/56dc7d7883bc4e7b832ab30dcf6bacbe [2019-11-26 17:58:09,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:09,045 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:09,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:09,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:09,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:09,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:09" (1/1) ... [2019-11-26 17:58:09,070 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 26.11 05:58:09, skipping insertion in model container [2019-11-26 17:58:09,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:09" (1/1) ... [2019-11-26 17:58:09,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:09,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:09,539 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:09,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22badf9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:09, skipping insertion in model container [2019-11-26 17:58:09,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:09,545 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:09,551 INFO L168 Benchmark]: Toolchain (without parser) took 504.61 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:09,551 INFO L168 Benchmark]: CDTParser took 1.09 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 17:58:09,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.28 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:09,571 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09 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 498.28 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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...