./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2n_update_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef034042979fe1e524a3655a8992190a25335ff0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2n_update_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef034042979fe1e524a3655a8992190a25335ff0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:12:09,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:09,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:09,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:09,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:09,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:09,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:09,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:09,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:09,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:09,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:09,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:09,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:09,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:09,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:09,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:09,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:09,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:09,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:09,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:09,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:09,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:09,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:09,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:09,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:09,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:09,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:09,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:09,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:09,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:09,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:09,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:09,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:09,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:09,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:09,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:09,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:09,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:09,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:09,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:09,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:09,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:12:09,318 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:09,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:09,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:09,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:09,325 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:09,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:09,325 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:09,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:12:09,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:09,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:09,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:09,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:09,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:09,331 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:09,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:09,334 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:09,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:09,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:09,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:09,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:09,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:09,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:09,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:09,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:09,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:09,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:12:09,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:12:09,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:09,341 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 ! call(__VERIFIER_error())) ) 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 -> ef034042979fe1e524a3655a8992190a25335ff0 [2019-11-27 16:12:09,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:09,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:09,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:09,925 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:09,928 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:09,932 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-27 16:12:10,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9352a14/a81a5b5d05304b16ae9f7a73c9f05cda/FLAGd4b880c15 [2019-11-27 16:12:11,308 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:11,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-27 16:12:11,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9352a14/a81a5b5d05304b16ae9f7a73c9f05cda/FLAGd4b880c15 [2019-11-27 16:12:11,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9352a14/a81a5b5d05304b16ae9f7a73c9f05cda [2019-11-27 16:12:11,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:11,399 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:11,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:11,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:11,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:11,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1353300f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11, skipping insertion in model container [2019-11-27 16:12:11,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:11,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:12,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:12,517 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:12,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:12,810 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:12,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12 WrapperNode [2019-11-27 16:12:12,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:12,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:12,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:12,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:12,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:12,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:12,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:12,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:12,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:12,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:13,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:13,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:13,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:12" (1/1) ... [2019-11-27 16:12:13,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:13,057 INFO L168 Benchmark]: Toolchain (without parser) took 1642.31 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 962.5 MB in the end (delta: -817.7 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:13,058 INFO L168 Benchmark]: CDTParser took 0.48 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 16:12:13,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1412.33 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. [2019-11-27 16:12:13,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.79 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. [2019-11-27 16:12:13,076 INFO L168 Benchmark]: Boogie Preprocessor took 93.45 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:13,084 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 1412.33 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 Procedure Inliner took 127.79 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. * Boogie Preprocessor took 93.45 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 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 0.1.24-509859d [2019-11-27 16:12:16,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:16,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:17,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:17,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:17,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:17,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:17,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:17,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:17,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:17,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:17,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:17,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:17,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:17,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:17,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:17,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:17,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:17,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:17,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:17,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:17,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:17,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:17,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:17,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:17,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:17,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:17,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:17,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:17,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:17,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:17,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:17,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:17,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:17,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:17,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:17,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:17,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:17,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:17,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:17,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:17,171 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:12:17,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:17,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:17,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:17,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:17,219 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:17,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:17,220 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:17,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:17,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:17,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:17,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:17,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:17,225 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:12:17,225 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:12:17,225 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:17,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:17,226 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:17,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:17,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:17,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:17,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:17,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:17,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:17,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:17,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:17,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:17,232 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:12:17,233 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:12:17,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:17,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:12:17,237 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 ! call(__VERIFIER_error())) ) 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 -> ef034042979fe1e524a3655a8992190a25335ff0 [2019-11-27 16:12:17,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:17,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:17,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:17,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:17,815 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:17,817 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-27 16:12:17,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c46ee9c12/0fbdfb7f8b504f60b54b484a78852058/FLAG4454974cb [2019-11-27 16:12:19,215 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:19,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all.i [2019-11-27 16:12:19,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c46ee9c12/0fbdfb7f8b504f60b54b484a78852058/FLAG4454974cb [2019-11-27 16:12:19,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c46ee9c12/0fbdfb7f8b504f60b54b484a78852058 [2019-11-27 16:12:19,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:19,306 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:19,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:19,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:19,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:19,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:19" (1/1) ... [2019-11-27 16:12:19,344 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 04:12:19, skipping insertion in model container [2019-11-27 16:12:19,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:19" (1/1) ... [2019-11-27 16:12:19,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:19,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:20,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:20,464 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:20,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:20,772 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:20,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20 WrapperNode [2019-11-27 16:12:20,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:20,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:20,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:20,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:20,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:20,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:20,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:20,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:20,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:20,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:20,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:20,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:20" (1/1) ... [2019-11-27 16:12:21,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:21,114 INFO L168 Benchmark]: Toolchain (without parser) took 1799.92 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 16:12:21,116 INFO L168 Benchmark]: CDTParser took 0.90 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 16:12:21,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1453.87 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 16:12:21,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.57 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 16:12:21,125 INFO L168 Benchmark]: Boogie Preprocessor took 130.03 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:21,136 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 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 1453.87 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 Procedure Inliner took 193.57 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. * Boogie Preprocessor took 130.03 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 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...