./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_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/dll2n_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 d9cd680588366d8f4117005099c5fa975e5f03ed ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_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 d9cd680588366d8f4117005099c5fa975e5f03ed ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:58:09,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:09,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:09,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:09,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:09,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:09,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:09,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:09,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:09,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:09,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:09,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:09,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:09,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:09,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:09,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:09,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:09,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:09,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:09,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:09,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:09,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:09,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:09,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:09,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:09,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:09,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:09,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:09,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:09,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:09,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:09,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:09,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:09,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:09,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:09,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:09,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:09,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:09,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:09,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:09,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:09,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:58:09,362 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:09,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:09,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:09,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:09,370 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:09,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:09,370 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:09,372 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:09,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:09,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:09,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:09,377 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:09,377 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:09,378 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:09,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:09,378 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:09,379 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:09,379 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:09,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:09,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:09,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:09,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:09,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:09,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:09,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:09,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:58:09,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:58:09,385 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 -> d9cd680588366d8f4117005099c5fa975e5f03ed [2019-11-26 17:58:09,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:09,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:09,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:09,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:09,987 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:09,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-26 17:58:10,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8449b83ba/1d86fd159f2d4fa8898ffb0db620112f/FLAG8cdaba9b5 [2019-11-26 17:58:11,275 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:11,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-26 17:58:11,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8449b83ba/1d86fd159f2d4fa8898ffb0db620112f/FLAG8cdaba9b5 [2019-11-26 17:58:11,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8449b83ba/1d86fd159f2d4fa8898ffb0db620112f [2019-11-26 17:58:11,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:11,793 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:11,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:11,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:11,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:11,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:11" (1/1) ... [2019-11-26 17:58:11,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59644eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:11, skipping insertion in model container [2019-11-26 17:58:11,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:11" (1/1) ... [2019-11-26 17:58:11,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:11,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:12,323 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:12,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4590f86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:12, skipping insertion in model container [2019-11-26 17:58:12,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:12,330 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:12,336 INFO L168 Benchmark]: Toolchain (without parser) took 539.74 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 17:58:12,337 INFO L168 Benchmark]: CDTParser took 1.22 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 17:58:12,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.23 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 17:58:12,346 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22 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 532.23 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:58:16,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:16,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:16,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:16,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:16,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:16,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:16,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:16,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:16,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:16,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:16,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:16,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:16,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:16,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:16,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:16,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:16,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:16,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:16,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:16,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:16,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:16,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:16,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:16,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:16,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:16,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:16,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:16,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:16,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:16,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:16,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:16,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:16,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:16,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:16,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:16,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:16,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:16,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:16,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:16,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:16,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:58:16,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:16,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:16,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:16,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:16,258 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:16,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:16,259 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:16,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:16,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:16,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:16,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:16,261 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:16,261 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:16,262 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:16,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:16,264 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:16,264 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:58:16,265 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:58:16,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:16,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:16,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:16,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:16,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:16,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:16,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:16,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:16,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:16,271 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:58:16,271 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:58:16,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:58:16,274 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 -> d9cd680588366d8f4117005099c5fa975e5f03ed [2019-11-26 17:58:16,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:16,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:16,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:16,829 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:16,830 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:16,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-26 17:58:16,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01199dd3b/29cce310b8574b71a2d2c9190ce520b4/FLAG4e4ca6179 [2019-11-26 17:58:18,124 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:18,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-26 17:58:18,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01199dd3b/29cce310b8574b71a2d2c9190ce520b4/FLAG4e4ca6179 [2019-11-26 17:58:18,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01199dd3b/29cce310b8574b71a2d2c9190ce520b4 [2019-11-26 17:58:18,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:18,644 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:18,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:18,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:18,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:18,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:18" (1/1) ... [2019-11-26 17:58:18,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59644eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:18, skipping insertion in model container [2019-11-26 17:58:18,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:18" (1/1) ... [2019-11-26 17:58:18,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:18,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:19,156 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:19,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10d953e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:19, skipping insertion in model container [2019-11-26 17:58:19,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:19,159 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:19,169 INFO L168 Benchmark]: Toolchain (without parser) took 524.59 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:19,170 INFO L168 Benchmark]: CDTParser took 0.40 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 17:58:19,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.62 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:19,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 513.62 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 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...