./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2c_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/sll2c_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 1eb62d582bb1f498de7f5f7de60817c0efb48782 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_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 1eb62d582bb1f498de7f5f7de60817c0efb48782 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:23:14,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:14,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:14,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:14,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:14,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:14,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:14,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:14,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:14,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:14,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:14,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:14,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:14,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:14,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:14,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:14,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:14,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:14,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:14,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:14,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:14,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:14,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:14,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:14,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:14,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:14,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:14,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:14,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:14,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:14,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:14,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:14,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:14,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:14,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:14,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:14,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:14,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:14,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:14,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:14,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:14,315 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:14,341 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:14,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:14,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:14,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:14,347 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:14,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:14,347 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:14,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:14,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:14,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:14,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:14,351 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:14,352 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:14,352 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:14,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:14,352 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:14,353 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:14,353 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:14,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:14,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:14,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:14,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:14,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:14,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:14,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:14,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:14,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:14,358 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 -> 1eb62d582bb1f498de7f5f7de60817c0efb48782 [2019-11-27 11:23:14,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:14,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:14,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:14,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:14,899 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:14,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_append_unequal.i [2019-11-27 11:23:15,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/562a2a578/14a6ae620fa7472f9d5f399c5934c84b/FLAGbdc680f4c [2019-11-27 11:23:16,287 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:16,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_append_unequal.i [2019-11-27 11:23:16,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/562a2a578/14a6ae620fa7472f9d5f399c5934c84b/FLAGbdc680f4c [2019-11-27 11:23:16,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/562a2a578/14a6ae620fa7472f9d5f399c5934c84b [2019-11-27 11:23:16,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:16,349 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:16,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:16,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:16,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:16,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:16" (1/1) ... [2019-11-27 11:23:16,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:16, skipping insertion in model container [2019-11-27 11:23:16,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:16" (1/1) ... [2019-11-27 11:23:16,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:16,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:17,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:17,351 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:17,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:17,630 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:17,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17 WrapperNode [2019-11-27 11:23:17,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:17,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:17,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:17,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:17,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:17,836 INFO L168 Benchmark]: Toolchain (without parser) took 1483.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 608.8 kB). Peak memory consumption was 674.4 kB. Max. memory is 12.5 GB. [2019-11-27 11:23:17,852 INFO L168 Benchmark]: CDTParser took 0.85 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 11:23:17,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1282.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:17,860 INFO L168 Benchmark]: Boogie Preprocessor took 194.49 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 11:23:17,872 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 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 1282.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.49 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 11:23:21,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:21,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:22,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:22,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:22,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:22,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:22,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:22,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:22,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:22,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:22,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:22,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:22,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:22,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:22,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:22,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:22,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:22,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:22,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:22,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:22,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:22,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:22,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:22,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:22,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:22,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:22,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:22,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:22,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:22,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:22,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:22,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:22,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:22,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:22,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:22,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:22,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:22,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:22,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:22,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:22,182 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:22,236 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:22,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:22,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:22,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:22,242 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:22,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:22,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:22,245 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:22,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:22,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:22,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:22,248 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:22,250 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:22,250 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:22,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:22,251 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:22,251 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:22,252 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:22,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:22,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:22,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:22,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:22,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:22,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:22,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:22,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:22,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:22,261 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:22,261 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:22,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:22,263 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 -> 1eb62d582bb1f498de7f5f7de60817c0efb48782 [2019-11-27 11:23:22,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:22,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:22,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:22,877 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:22,882 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:22,884 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_append_unequal.i [2019-11-27 11:23:23,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cac0a43e/5b073493313f46609b7ed387e2cbd6ad/FLAG7378be838 [2019-11-27 11:23:24,218 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:24,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_append_unequal.i [2019-11-27 11:23:24,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cac0a43e/5b073493313f46609b7ed387e2cbd6ad/FLAG7378be838 [2019-11-27 11:23:24,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cac0a43e/5b073493313f46609b7ed387e2cbd6ad [2019-11-27 11:23:24,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:24,743 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:24,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:24,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:24,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:24,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcc7aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24, skipping insertion in model container [2019-11-27 11:23:24,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:24,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:25,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:25,841 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:26,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:26,148 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:26,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:26 WrapperNode [2019-11-27 11:23:26,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:26,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:26,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:26,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:26,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:26" (1/1) ... [2019-11-27 11:23:26,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:26" (1/1) ... [2019-11-27 11:23:26,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:26" (1/1) ... [2019-11-27 11:23:26,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:26" (1/1) ... [2019-11-27 11:23:26,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:26" (1/1) ... [2019-11-27 11:23:26,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:26" (1/1) ... [2019-11-27 11:23:26,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:26" (1/1) ... [2019-11-27 11:23:26,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:26,372 INFO L168 Benchmark]: Toolchain (without parser) took 1623.88 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. [2019-11-27 11:23:26,387 INFO L168 Benchmark]: CDTParser took 0.40 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 11:23:26,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1402.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:26,391 INFO L168 Benchmark]: Boogie Preprocessor took 211.85 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. [2019-11-27 11:23:26,400 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1402.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 211.85 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...