./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_prepend_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2n_prepend_equal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4aa4ae97046b46e050cb2478dec257c6a324dc09 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_prepend_equal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4aa4ae97046b46e050cb2478dec257c6a324dc09 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:58:07,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:07,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:07,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:07,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:07,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:07,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:07,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:07,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:07,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:07,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:07,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:07,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:07,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:07,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:07,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:07,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:07,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:07,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:07,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:07,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:07,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:07,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:07,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:07,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:07,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:07,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:07,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:07,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:07,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:07,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:07,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:07,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:07,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:07,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:07,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:07,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:07,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:07,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:07,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:07,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:07,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:58:07,812 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:07,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:07,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:07,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:07,820 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:07,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:07,821 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:07,821 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:07,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:07,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:07,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:07,822 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:07,823 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:07,823 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:07,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:07,825 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:07,825 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:07,825 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:07,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:07,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:07,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:07,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:07,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:07,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:07,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:07,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:58:07,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:58:07,829 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 -> 4aa4ae97046b46e050cb2478dec257c6a324dc09 [2019-11-26 17:58:08,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:08,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:08,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:08,291 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:08,293 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:08,294 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_prepend_equal.i [2019-11-26 17:58:08,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b977cfe07/e12de45cdb3e4f648eeb12cbd5a2db9e/FLAG646e49e04 [2019-11-26 17:58:09,246 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:09,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_prepend_equal.i [2019-11-26 17:58:09,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b977cfe07/e12de45cdb3e4f648eeb12cbd5a2db9e/FLAG646e49e04 [2019-11-26 17:58:09,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b977cfe07/e12de45cdb3e4f648eeb12cbd5a2db9e [2019-11-26 17:58:09,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:09,453 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:09,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:09,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:09,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:09,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:09" (1/1) ... [2019-11-26 17:58:09,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e3f9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:09, skipping insertion in model container [2019-11-26 17:58:09,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:09" (1/1) ... [2019-11-26 17:58:09,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:09,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:09,823 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:09,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46ee2f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:09, skipping insertion in model container [2019-11-26 17:58:09,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:09,827 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:09,831 INFO L168 Benchmark]: Toolchain (without parser) took 375.14 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:09,839 INFO L168 Benchmark]: CDTParser took 2.27 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:58:09,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.95 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:09,845 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.27 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 369.95 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 175]: Unsupported Syntax Undefined type __fsid_t RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:58:12,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:12,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:12,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:12,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:12,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:12,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:12,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:12,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:12,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:12,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:12,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:12,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:12,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:12,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:12,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:12,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:12,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:12,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:12,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:12,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:12,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:12,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:12,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:12,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:12,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:12,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:12,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:12,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:12,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:12,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:12,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:12,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:12,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:12,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:12,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:12,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:12,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:12,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:12,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:12,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:12,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:58:12,723 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:12,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:12,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:12,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:12,728 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:12,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:12,729 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:12,729 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:12,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:12,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:12,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:12,731 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:12,732 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:12,732 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:12,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:12,733 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:12,734 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:58:12,734 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:58:12,734 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:12,734 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:12,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:12,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:12,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:12,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:12,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:12,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:12,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:12,738 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:58:12,738 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:58:12,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:58:12,743 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 -> 4aa4ae97046b46e050cb2478dec257c6a324dc09 [2019-11-26 17:58:13,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:13,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:13,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:13,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:13,252 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:13,255 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_prepend_equal.i [2019-11-26 17:58:13,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a6294a4/8d6b9a69b81c43508ed58cba32772f6b/FLAGb9aee8a58 [2019-11-26 17:58:14,203 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:14,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_prepend_equal.i [2019-11-26 17:58:14,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a6294a4/8d6b9a69b81c43508ed58cba32772f6b/FLAGb9aee8a58 [2019-11-26 17:58:14,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a6294a4/8d6b9a69b81c43508ed58cba32772f6b [2019-11-26 17:58:14,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:14,387 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:14,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:14,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:14,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:14,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:14" (1/1) ... [2019-11-26 17:58:14,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e52e31a 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 17:58:14,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:14" (1/1) ... [2019-11-26 17:58:14,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:14,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:14,745 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:14,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69679758 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 17:58:14,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:14,749 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:14,752 INFO L168 Benchmark]: Toolchain (without parser) took 363.75 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 17:58:14,764 INFO L168 Benchmark]: CDTParser took 0.28 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 17:58:14,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.50 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 17:58:14,769 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 353.50 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...