./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_append_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2c_append_unequal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bbba94f2f04b60d63941eafbcb1f4bac5dd19069 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2c_append_unequal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bbba94f2f04b60d63941eafbcb1f4bac5dd19069 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:57:58,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:57:58,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:57:58,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:57:58,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:57:58,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:57:58,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:57:58,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:57:58,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:57:58,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:57:58,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:57:58,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:57:58,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:57:58,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:57:58,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:57:58,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:57:58,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:57:58,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:57:58,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:57:58,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:57:58,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:57:58,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:57:58,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:57:58,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:57:58,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:57:58,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:57:58,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:57:58,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:57:58,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:57:58,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:57:58,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:57:58,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:57:58,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:57:58,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:57:58,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:57:58,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:57:58,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:57:58,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:57:58,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:57:58,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:57:58,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:57:58,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:57:58,909 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:57:58,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:57:58,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:57:58,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:57:58,917 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:57:58,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:57:58,917 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:57:58,918 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:57:58,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:57:58,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:57:58,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:57:58,922 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:57:58,922 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:57:58,923 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:57:58,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:57:58,925 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:57:58,925 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:57:58,925 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:57:58,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:57:58,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:57:58,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:57:58,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:57:58,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:57:58,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:57:58,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:57:58,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:57:58,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:57:58,931 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 -> bbba94f2f04b60d63941eafbcb1f4bac5dd19069 [2019-11-26 17:57:59,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:57:59,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:57:59,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:57:59,571 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:57:59,572 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:57:59,575 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-26 17:57:59,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3840866a/b130843233ba4452a11ccf2784278c0a/FLAG56be9b8f5 [2019-11-26 17:58:00,887 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:00,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-26 17:58:00,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3840866a/b130843233ba4452a11ccf2784278c0a/FLAG56be9b8f5 [2019-11-26 17:58:01,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3840866a/b130843233ba4452a11ccf2784278c0a [2019-11-26 17:58:01,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:01,008 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:01,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:01,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:01,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:01,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:01" (1/1) ... [2019-11-26 17:58:01,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad95f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:01, skipping insertion in model container [2019-11-26 17:58:01,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:01" (1/1) ... [2019-11-26 17:58:01,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:01,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:01,529 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:01,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76e7bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:01, skipping insertion in model container [2019-11-26 17:58:01,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:01,535 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:01,542 INFO L168 Benchmark]: Toolchain (without parser) took 530.64 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:01,544 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:58:01,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.80 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:01,552 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 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 516.80 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 175]: Unsupported Syntax Undefined type __fsid_t RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:58:05,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:05,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:05,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:05,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:05,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:05,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:05,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:05,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:05,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:05,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:05,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:05,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:05,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:05,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:05,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:05,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:05,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:05,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:05,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:05,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:05,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:05,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:05,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:05,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:05,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:05,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:05,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:05,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:05,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:05,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:05,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:05,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:05,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:05,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:05,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:05,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:05,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:05,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:05,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:05,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:05,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:58:05,571 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:05,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:05,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:05,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:05,588 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:05,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:05,589 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:05,589 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:05,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:05,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:05,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:05,591 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:05,591 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:05,591 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:05,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:05,595 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:05,595 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:58:05,596 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:58:05,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:05,596 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:05,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:05,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:05,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:05,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:05,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:05,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:05,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:05,603 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:58:05,604 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:58:05,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:58:05,605 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 -> bbba94f2f04b60d63941eafbcb1f4bac5dd19069 [2019-11-26 17:58:06,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:06,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:06,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:06,169 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:06,172 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:06,174 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-26 17:58:06,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/354c1e46b/92c9ea4a9e7843dd84ffe0fa90db9749/FLAGc04852087 [2019-11-26 17:58:07,542 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:07,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-26 17:58:07,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/354c1e46b/92c9ea4a9e7843dd84ffe0fa90db9749/FLAGc04852087 [2019-11-26 17:58:07,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/354c1e46b/92c9ea4a9e7843dd84ffe0fa90db9749 [2019-11-26 17:58:07,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:07,628 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:07,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:07,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:07,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:07,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:07" (1/1) ... [2019-11-26 17:58:07,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d13d170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:07, skipping insertion in model container [2019-11-26 17:58:07,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:07" (1/1) ... [2019-11-26 17:58:07,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:07,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:08,093 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:08,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c2fee3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:08, skipping insertion in model container [2019-11-26 17:58:08,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:08,095 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:08,099 INFO L168 Benchmark]: Toolchain (without parser) took 469.58 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:08,100 INFO L168 Benchmark]: CDTParser took 0.94 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 17:58:08,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.96 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:08,122 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 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 451.96 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 175]: Unsupported Syntax Undefined type __fsid_t RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...