./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_append_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 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/sll2n_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 cae663252cf3102da91695865874d633c1ee8349 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/sll2n_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 cae663252cf3102da91695865874d633c1ee8349 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:18,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:18,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:19,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:19,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:19,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:19,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:19,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:19,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:19,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:19,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:19,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:19,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:19,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:19,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:19,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:19,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:19,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:19,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:19,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:19,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:19,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:19,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:19,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:19,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:19,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:19,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:19,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:19,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:19,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:19,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:19,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:19,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:19,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:19,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:19,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:19,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:19,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:19,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:19,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:19,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:19,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:19,204 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:19,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:19,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:19,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:19,211 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:19,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:19,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:19,212 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:19,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:19,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:19,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:19,216 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:19,216 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:19,219 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:19,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:19,220 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:19,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:19,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:19,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:19,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:19,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:19,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:19,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:19,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:19,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:19,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:19,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:19,225 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 -> cae663252cf3102da91695865874d633c1ee8349 [2019-11-27 11:23:19,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:19,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:19,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:19,833 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:19,838 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:19,839 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-27 11:23:20,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5daf4e2a/9fc18e4dbdf540b1af5c2199fae0ad71/FLAGb972e41aa [2019-11-27 11:23:21,198 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:21,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-27 11:23:21,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5daf4e2a/9fc18e4dbdf540b1af5c2199fae0ad71/FLAGb972e41aa [2019-11-27 11:23:21,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5daf4e2a/9fc18e4dbdf540b1af5c2199fae0ad71 [2019-11-27 11:23:21,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:21,290 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:21,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:21,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:21,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:21,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21, skipping insertion in model container [2019-11-27 11:23:21,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:21,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:22,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:22,295 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:22,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:22,564 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:22,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:22 WrapperNode [2019-11-27 11:23:22,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:22,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:22,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:22,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:22,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:22" (1/1) ... [2019-11-27 11:23:22,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:22" (1/1) ... [2019-11-27 11:23:22,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:22" (1/1) ... [2019-11-27 11:23:22,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:22" (1/1) ... [2019-11-27 11:23:22,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:22" (1/1) ... [2019-11-27 11:23:22,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:22" (1/1) ... [2019-11-27 11:23:22,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:22" (1/1) ... [2019-11-27 11:23:22,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:22,785 INFO L168 Benchmark]: Toolchain (without parser) took 1476.19 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 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:22,786 INFO L168 Benchmark]: CDTParser took 0.59 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 11:23:22,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1273.86 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:22,794 INFO L168 Benchmark]: Boogie Preprocessor took 192.37 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 11:23:22,801 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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 1273.86 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 192.37 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:26,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:26,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:26,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:26,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:26,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:26,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:26,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:26,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:26,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:26,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:26,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:26,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:26,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:26,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:26,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:26,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:26,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:26,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:26,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:26,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:26,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:26,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:26,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:26,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:26,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:26,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:26,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:26,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:26,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:26,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:26,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:26,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:26,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:26,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:26,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:26,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:26,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:26,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:26,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:26,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:26,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:26,876 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:26,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:26,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:26,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:26,885 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:26,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:26,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:26,886 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:26,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:26,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:26,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:26,889 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:26,891 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:26,891 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:26,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:26,892 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:26,894 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:26,894 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:26,894 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:26,895 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:26,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:26,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:26,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:26,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:26,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:26,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:26,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:26,900 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:26,900 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:26,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:26,902 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 -> cae663252cf3102da91695865874d633c1ee8349 [2019-11-27 11:23:27,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:27,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:27,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:27,447 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:27,448 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:27,449 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-27 11:23:27,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93758057c/188ebaf766b7411e909c70b42e791d81/FLAGb135d7d8d [2019-11-27 11:23:28,738 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:28,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_unequal.i [2019-11-27 11:23:28,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93758057c/188ebaf766b7411e909c70b42e791d81/FLAGb135d7d8d [2019-11-27 11:23:29,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93758057c/188ebaf766b7411e909c70b42e791d81 [2019-11-27 11:23:29,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:29,238 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:29,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:29,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:29,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:29,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:29" (1/1) ... [2019-11-27 11:23:29,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58411de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29, skipping insertion in model container [2019-11-27 11:23:29,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:29" (1/1) ... [2019-11-27 11:23:29,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:29,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:30,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:30,321 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:30,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:30,601 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:30,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30 WrapperNode [2019-11-27 11:23:30,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:30,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:30,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:30,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:30,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:30,799 INFO L168 Benchmark]: Toolchain (without parser) took 1552.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 974.0 MB in the end (delta: -8.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:30,800 INFO L168 Benchmark]: CDTParser took 1.17 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. [2019-11-27 11:23:30,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1366.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:30,817 INFO L168 Benchmark]: Boogie Preprocessor took 181.63 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:30,828 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 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 1366.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 181.63 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.0 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...