./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_remove_all.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_remove_all.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 7fbc512cc0cc4741feb6422c538797cb2d252dab ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_remove_all.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 7fbc512cc0cc4741feb6422c538797cb2d252dab ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:57:59,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:57:59,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:57:59,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:57:59,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:57:59,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:57:59,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:57:59,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:57:59,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:57:59,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:57:59,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:57:59,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:57:59,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:57:59,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:57:59,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:57:59,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:57:59,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:57:59,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:57:59,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:57:59,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:57:59,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:57:59,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:57:59,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:57:59,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:57:59,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:57:59,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:57:59,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:57:59,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:57:59,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:57:59,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:57:59,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:57:59,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:57:59,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:57:59,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:57:59,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:57:59,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:57:59,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:57:59,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:57:59,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:57:59,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:57:59,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:57:59,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:57:59,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:57:59,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:57:59,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:57:59,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:57:59,265 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:57:59,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:57:59,268 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:57:59,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:57:59,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:57:59,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:57:59,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:57:59,270 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:57:59,273 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:57:59,273 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:57:59,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:57:59,274 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:57:59,274 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:57:59,275 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:57:59,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:57:59,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:57:59,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:57:59,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:57:59,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:57:59,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:57:59,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:57:59,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:57:59,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:57:59,280 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 -> 7fbc512cc0cc4741feb6422c538797cb2d252dab [2019-11-26 17:57:59,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:57:59,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:57:59,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:57:59,949 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:57:59,951 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:57:59,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-26 17:58:00,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2affea6/fa39a5a4253b4fc492f6e06ba0dbf59b/FLAGe31d2d508 [2019-11-26 17:58:01,337 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:01,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-26 17:58:01,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2affea6/fa39a5a4253b4fc492f6e06ba0dbf59b/FLAGe31d2d508 [2019-11-26 17:58:01,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2affea6/fa39a5a4253b4fc492f6e06ba0dbf59b [2019-11-26 17:58:01,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:01,434 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:01,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:01,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:01,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:01,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:01" (1/1) ... [2019-11-26 17:58:01,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44043fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:01, skipping insertion in model container [2019-11-26 17:58:01,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:01" (1/1) ... [2019-11-26 17:58:01,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:01,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:01,943 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:01,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1267483d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:01, skipping insertion in model container [2019-11-26 17:58:01,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:01,956 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:01,963 INFO L168 Benchmark]: Toolchain (without parser) took 524.81 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 17:58:01,964 INFO L168 Benchmark]: CDTParser took 4.11 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 17:58:01,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.79 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 17:58:01,973 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.11 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 517.79 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 17:58:05,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:05,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:05,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:05,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:05,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:05,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:05,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:05,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:05,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:05,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:05,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:05,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:05,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:05,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:05,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:05,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:05,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:05,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:05,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:05,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:05,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:05,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:05,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:05,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:05,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:05,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:05,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:05,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:05,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:05,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:05,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:05,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:05,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:05,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:05,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:05,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:05,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:05,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:05,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:05,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:05,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:58:06,005 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:06,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:06,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:06,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:06,016 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:06,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:06,017 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:06,017 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:06,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:06,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:06,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:06,022 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:06,022 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:06,023 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:06,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:06,023 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:06,026 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:58:06,026 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:58:06,026 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:06,027 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:06,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:06,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:06,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:06,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:06,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:06,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:06,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:06,032 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:58:06,032 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:58:06,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:58:06,034 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 -> 7fbc512cc0cc4741feb6422c538797cb2d252dab [2019-11-26 17:58:06,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:06,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:06,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:06,717 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:06,719 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:06,722 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-26 17:58:06,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4fdc563c/311fde092413473cbeed09a72f44833b/FLAG679f202a1 [2019-11-26 17:58:08,137 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:08,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-26 17:58:08,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4fdc563c/311fde092413473cbeed09a72f44833b/FLAG679f202a1 [2019-11-26 17:58:08,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4fdc563c/311fde092413473cbeed09a72f44833b [2019-11-26 17:58:08,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:08,235 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:08,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:08,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:08,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:08,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:08" (1/1) ... [2019-11-26 17:58:08,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cbf806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:08, skipping insertion in model container [2019-11-26 17:58:08,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:08" (1/1) ... [2019-11-26 17:58:08,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:08,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:08,749 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:08,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@eeaa50f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:08, skipping insertion in model container [2019-11-26 17:58:08,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:08,756 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:08,765 INFO L168 Benchmark]: Toolchain (without parser) took 527.13 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 17:58:08,766 INFO L168 Benchmark]: CDTParser took 1.53 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 17:58:08,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.33 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 17:58:08,774 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53 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 519.33 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...