./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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_reverse.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 8e9bd4c45107b8bac8caf02aded500b0232909d1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_reverse.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 8e9bd4c45107b8bac8caf02aded500b0232909d1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:55,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:55,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:55,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:55,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:55,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:55,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:55,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:55,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:55,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:55,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:55,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:55,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:55,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:55,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:55,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:55,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:55,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:55,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:55,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:56,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:56,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:56,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:56,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:56,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:56,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:56,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:56,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:56,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:56,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:56,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:56,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:56,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:56,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:56,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:56,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:56,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:56,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:56,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:56,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:56,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:56,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:56,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:56,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:56,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:56,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:56,104 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:56,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:56,104 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:56,105 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:56,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:56,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:56,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:56,108 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:56,109 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:56,110 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:56,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:56,111 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:56,113 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:56,113 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:56,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:56,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:56,114 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:56,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:56,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:56,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:56,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:56,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:56,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:56,119 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 -> 8e9bd4c45107b8bac8caf02aded500b0232909d1 [2019-11-26 00:27:56,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:56,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:56,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:56,743 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:56,747 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:56,748 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2019-11-26 00:27:56,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207ba1d7d/4282b9b7e87d46ff9160221374ff81ed/FLAG45f861700 [2019-11-26 00:27:58,103 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:58,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2019-11-26 00:27:58,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207ba1d7d/4282b9b7e87d46ff9160221374ff81ed/FLAG45f861700 [2019-11-26 00:27:58,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207ba1d7d/4282b9b7e87d46ff9160221374ff81ed [2019-11-26 00:27:58,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:58,191 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:58,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:58,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:58,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:58,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:58" (1/1) ... [2019-11-26 00:27:58,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f39a4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:58, skipping insertion in model container [2019-11-26 00:27:58,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:58" (1/1) ... [2019-11-26 00:27:58,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:58,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:59,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:59,232 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:59,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:59,516 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:59,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59 WrapperNode [2019-11-26 00:27:59,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:59,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:59,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:59,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:59,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:59" (1/1) ... [2019-11-26 00:27:59,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:59,719 INFO L168 Benchmark]: Toolchain (without parser) took 1513.02 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 968.2 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:59,727 INFO L168 Benchmark]: CDTParser took 0.54 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 00:27:59,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1320.22 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 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:59,731 INFO L168 Benchmark]: Boogie Preprocessor took 180.60 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:59,740 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 1320.22 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 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 180.60 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 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 0.1.24-65d6cd2 [2019-11-26 00:28:03,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:03,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:03,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:03,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:03,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:03,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:03,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:03,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:03,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:03,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:03,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:03,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:03,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:03,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:03,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:03,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:03,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:03,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:03,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:03,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:03,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:03,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:03,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:03,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:03,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:03,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:03,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:03,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:03,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:03,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:03,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:03,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:03,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:03,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:03,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:03,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:03,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:03,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:03,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:03,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:03,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:03,800 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:03,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:03,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:03,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:03,806 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:03,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:03,807 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:03,807 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:03,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:03,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:03,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:03,809 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:03,809 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:03,809 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:03,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:03,810 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:03,810 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:03,811 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:03,811 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:03,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:03,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:03,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:03,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:03,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:03,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:03,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:03,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:03,816 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:03,816 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:03,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:03,817 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 -> 8e9bd4c45107b8bac8caf02aded500b0232909d1 [2019-11-26 00:28:04,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:04,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:04,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:04,365 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:04,366 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:04,367 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2019-11-26 00:28:04,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab1b9a450/98be8c5ff697472b8a0d7d1628cf7e8d/FLAG5d95482c7 [2019-11-26 00:28:05,639 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:05,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2019-11-26 00:28:05,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab1b9a450/98be8c5ff697472b8a0d7d1628cf7e8d/FLAG5d95482c7 [2019-11-26 00:28:05,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab1b9a450/98be8c5ff697472b8a0d7d1628cf7e8d [2019-11-26 00:28:05,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:05,770 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:05,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:05,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:05,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:05,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:05" (1/1) ... [2019-11-26 00:28:05,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1ff36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:05, skipping insertion in model container [2019-11-26 00:28:05,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:05" (1/1) ... [2019-11-26 00:28:05,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:05,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:06,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:06,782 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:06,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:07,065 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:07,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07 WrapperNode [2019-11-26 00:28:07,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:07,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:07,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:07,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:07,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:07" (1/1) ... [2019-11-26 00:28:07,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:07,271 INFO L168 Benchmark]: Toolchain (without parser) took 1492.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 968.2 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:07,272 INFO L168 Benchmark]: CDTParser took 0.35 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 00:28:07,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1286.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 973.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:07,286 INFO L168 Benchmark]: Boogie Preprocessor took 191.88 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:07,298 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1286.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 973.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 191.88 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 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...