./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2c_append_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2c_append_equal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2c_append_equal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:58:11,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:11,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:11,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:11,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:11,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:11,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:11,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:11,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:11,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:11,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:11,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:11,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:11,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:11,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:11,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:11,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:11,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:11,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:11,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:11,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:11,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:11,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:11,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:11,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:11,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:11,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:11,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:11,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:11,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:11,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:11,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:11,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:11,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:11,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:11,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:11,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:11,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:11,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:11,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:11,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:11,367 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:58:11,405 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:11,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:11,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:11,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:11,412 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:11,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:11,415 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:11,415 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:11,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:11,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:11,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:11,417 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:11,420 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:11,420 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:11,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:11,421 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:11,422 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:11,422 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:11,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:11,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:11,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:11,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:11,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:11,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:11,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:11,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:58:11,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:58:11,430 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 -> bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 [2019-11-26 17:58:12,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:12,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:12,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:12,083 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:12,085 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:12,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-26 17:58:12,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e665feb/2685aa88c63d47e28f50fb46f61d6334/FLAGf63488a6d [2019-11-26 17:58:13,490 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:13,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-26 17:58:13,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e665feb/2685aa88c63d47e28f50fb46f61d6334/FLAGf63488a6d [2019-11-26 17:58:13,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e665feb/2685aa88c63d47e28f50fb46f61d6334 [2019-11-26 17:58:13,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:13,583 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:13,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:13,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:13,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:13,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:13" (1/1) ... [2019-11-26 17:58:13,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1353300f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:13, skipping insertion in model container [2019-11-26 17:58:13,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:13" (1/1) ... [2019-11-26 17:58:13,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:13,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:14,083 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:14,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f10b591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:14, skipping insertion in model container [2019-11-26 17:58:14,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:14,088 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:14,095 INFO L168 Benchmark]: Toolchain (without parser) took 506.55 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 17:58:14,096 INFO L168 Benchmark]: CDTParser took 3.09 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 17:58:14,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.20 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 17:58:14,105 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.09 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 501.20 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 17:58:17,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:17,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:17,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:17,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:17,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:17,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:17,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:17,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:18,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:18,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:18,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:18,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:18,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:18,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:18,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:18,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:18,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:18,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:18,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:18,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:18,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:18,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:18,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:18,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:18,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:18,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:18,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:18,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:18,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:18,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:18,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:18,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:18,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:18,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:18,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:18,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:18,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:18,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:18,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:18,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:18,113 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:58:18,152 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:18,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:18,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:18,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:18,159 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:18,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:18,161 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:18,161 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:18,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:18,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:18,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:18,165 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:18,165 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:18,166 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:18,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:18,166 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:18,166 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:58:18,167 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:58:18,168 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:18,168 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:18,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:18,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:18,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:18,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:18,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:18,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:18,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:18,173 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:58:18,173 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:58:18,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:58:18,177 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 -> bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 [2019-11-26 17:58:18,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:18,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:18,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:18,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:18,830 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:18,832 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-26 17:58:18,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0036d41ba/0c8e88353f664a3bad3531c4a37a7ffc/FLAG6c2221149 [2019-11-26 17:58:20,236 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:20,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-26 17:58:20,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0036d41ba/0c8e88353f664a3bad3531c4a37a7ffc/FLAG6c2221149 [2019-11-26 17:58:20,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0036d41ba/0c8e88353f664a3bad3531c4a37a7ffc [2019-11-26 17:58:20,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:20,310 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:20,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:20,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:20,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:20,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:20" (1/1) ... [2019-11-26 17:58:20,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9334ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:20, skipping insertion in model container [2019-11-26 17:58:20,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:20" (1/1) ... [2019-11-26 17:58:20,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:20,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:20,784 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:20,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1498745a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:20, skipping insertion in model container [2019-11-26 17:58:20,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:20,790 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:20,799 INFO L168 Benchmark]: Toolchain (without parser) took 482.29 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 17:58:20,800 INFO L168 Benchmark]: CDTParser took 0.37 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 17:58:20,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.48 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 17:58:20,808 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 465.48 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...