./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2c_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 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_remove_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 082b1bde50b1883aaa9112842176e8bb0db36577 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_remove_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 082b1bde50b1883aaa9112842176e8bb0db36577 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:45:43,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:43,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:43,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:43,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:43,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:43,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:43,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:43,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:43,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:43,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:43,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:43,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:43,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:43,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:43,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:43,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:43,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:44,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:44,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:44,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:44,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:44,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:44,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:44,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:44,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:44,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:44,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:44,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:44,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:44,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:44,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:44,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:44,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:44,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:44,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:44,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:44,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:44,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:44,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:44,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:44,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:44,104 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:44,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:44,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:44,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:44,110 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:44,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:44,111 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:44,111 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:44,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:44,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:44,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:44,115 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:44,115 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:44,116 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:44,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:44,118 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:44,118 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:44,119 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:44,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:44,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:44,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:44,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:44,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:44,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:44,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:44,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:44,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:44,125 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 -> 082b1bde50b1883aaa9112842176e8bb0db36577 [2019-11-27 17:45:44,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:44,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:44,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:44,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:44,752 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:44,755 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_remove_all.i [2019-11-27 17:45:44,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0589cab/eefe65b7e423444c8a4876534ddc47f2/FLAGa3bbc7a5f [2019-11-27 17:45:46,127 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:46,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all.i [2019-11-27 17:45:46,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0589cab/eefe65b7e423444c8a4876534ddc47f2/FLAGa3bbc7a5f [2019-11-27 17:45:46,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0589cab/eefe65b7e423444c8a4876534ddc47f2 [2019-11-27 17:45:46,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:46,213 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:46,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:46,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:46,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:46,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:46" (1/1) ... [2019-11-27 17:45:46,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cbf806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:46, skipping insertion in model container [2019-11-27 17:45:46,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:46" (1/1) ... [2019-11-27 17:45:46,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:46,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:47,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:47,272 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:47,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:47,546 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:47,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47 WrapperNode [2019-11-27 17:45:47,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:47,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:47,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:47,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:47,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:47,759 INFO L168 Benchmark]: Toolchain (without parser) took 1536.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:47,760 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. [2019-11-27 17:45:47,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1324.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:47,779 INFO L168 Benchmark]: Boogie Preprocessor took 197.86 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:47,787 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 1324.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 197.86 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:45:51,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:51,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:51,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:51,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:51,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:51,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:51,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:51,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:51,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:51,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:51,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:51,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:51,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:51,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:51,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:51,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:51,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:51,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:51,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:51,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:51,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:51,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:51,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:51,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:51,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:51,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:51,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:51,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:51,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:51,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:51,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:51,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:51,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:51,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:51,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:51,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:51,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:51,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:51,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:51,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:51,725 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:51,761 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:51,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:51,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:51,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:51,769 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:51,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:51,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:51,772 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:51,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:51,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:51,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:51,774 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:51,775 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:51,775 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:51,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:51,777 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:51,777 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:51,778 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:51,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:51,779 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:51,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:51,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:51,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:51,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:51,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:51,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:51,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:51,785 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:51,785 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:51,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:51,787 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 -> 082b1bde50b1883aaa9112842176e8bb0db36577 [2019-11-27 17:45:52,328 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:52,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:52,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:52,365 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:52,369 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:52,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_remove_all.i [2019-11-27 17:45:52,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdddf05df/44519195755045319263ddf21e6d0dbc/FLAGf32cedfdf [2019-11-27 17:45:53,721 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:53,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all.i [2019-11-27 17:45:53,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdddf05df/44519195755045319263ddf21e6d0dbc/FLAGf32cedfdf [2019-11-27 17:45:53,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdddf05df/44519195755045319263ddf21e6d0dbc [2019-11-27 17:45:53,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:53,819 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:53,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:53,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:53,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:53,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:53" (1/1) ... [2019-11-27 17:45:53,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d04ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:53, skipping insertion in model container [2019-11-27 17:45:53,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:53" (1/1) ... [2019-11-27 17:45:53,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:53,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:54,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:54,938 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:55,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:55,225 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:55,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55 WrapperNode [2019-11-27 17:45:55,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:55,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:55,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:55,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:55,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:55,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:55,472 INFO L168 Benchmark]: Toolchain (without parser) took 1647.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 966.8 MB in the end (delta: -3.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:55,474 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-27 17:45:55,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1393.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 972.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:55,479 INFO L168 Benchmark]: Boogie Preprocessor took 234.92 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:55,490 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1393.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 972.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 234.92 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...