./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47b0bc17 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/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 16f86fb59aa9c61750f807cf2bcc70c9f904f249 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 23:16:59,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:16:59,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:16:59,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:16:59,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:16:59,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:16:59,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:16:59,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:16:59,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:16:59,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:16:59,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:16:59,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:16:59,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:16:59,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:16:59,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:16:59,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:16:59,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:16:59,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:16:59,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:16:59,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:16:59,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:16:59,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:16:59,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:16:59,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:16:59,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:16:59,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:16:59,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:16:59,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:16:59,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:16:59,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:16:59,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:16:59,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:16:59,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:16:59,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:16:59,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:16:59,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:16:59,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:16:59,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:16:59,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:16:59,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:16:59,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:16:59,277 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-20 23:16:59,333 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:16:59,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:16:59,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:16:59,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:16:59,347 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:16:59,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:16:59,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:16:59,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:16:59,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 23:16:59,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:16:59,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 23:16:59,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 23:16:59,354 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:16:59,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 23:16:59,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:16:59,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:16:59,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:16:59,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:16:59,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:16:59,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:16:59,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:16:59,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 23:16:59,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 23:16:59,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 23:16:59,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 23:16:59,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:16:59,366 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16f86fb59aa9c61750f807cf2bcc70c9f904f249 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:17:00,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:17:00,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:17:00,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:17:00,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:17:00,072 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:17:00,073 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2019-11-20 23:17:00,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce302a946/db5f4661ec584a1daaaefe325bdae526/FLAG3a6427530 [2019-11-20 23:17:01,788 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:17:01,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2019-11-20 23:17:01,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce302a946/db5f4661ec584a1daaaefe325bdae526/FLAG3a6427530 [2019-11-20 23:17:01,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce302a946/db5f4661ec584a1daaaefe325bdae526 [2019-11-20 23:17:01,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:17:01,951 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 23:17:01,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:17:01,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:17:01,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:17:01,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:17:01" (1/1) ... [2019-11-20 23:17:01,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59693571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01, skipping insertion in model container [2019-11-20 23:17:01,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:17:01" (1/1) ... [2019-11-20 23:17:01,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:17:02,263 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:17:05,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:17:05,633 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:17:06,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:17:06,916 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:17:06,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:06 WrapperNode [2019-11-20 23:17:06,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:17:06,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 23:17:06,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 23:17:06,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 23:17:06,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:06" (1/1) ... [2019-11-20 23:17:07,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:06" (1/1) ... [2019-11-20 23:17:07,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 23:17:07,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:17:07,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:17:07,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:17:07,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:06" (1/1) ... [2019-11-20 23:17:07,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:06" (1/1) ... [2019-11-20 23:17:07,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:06" (1/1) ... [2019-11-20 23:17:07,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:06" (1/1) ... [2019-11-20 23:17:08,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:06" (1/1) ... [2019-11-20 23:17:08,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:06" (1/1) ... [2019-11-20 23:17:08,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:06" (1/1) ... [2019-11-20 23:17:08,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:17:08,620 INFO L168 Benchmark]: Toolchain (without parser) took 6665.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 722.5 MB in the end (delta: 227.8 MB). Peak memory consumption was 227.8 MB. Max. memory is 12.5 GB. [2019-11-20 23:17:08,624 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-20 23:17:08,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4962.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 815.8 MB in the end (delta: 134.4 MB). Peak memory consumption was 134.5 MB. Max. memory is 12.5 GB. [2019-11-20 23:17:08,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 843.74 ms. Allocated memory is still 1.0 GB. Free memory was 815.8 MB in the beginning and 769.7 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 12.5 GB. [2019-11-20 23:17:08,633 INFO L168 Benchmark]: Boogie Preprocessor took 848.55 ms. Allocated memory is still 1.0 GB. Free memory was 769.7 MB in the beginning and 722.5 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 12.5 GB. [2019-11-20 23:17:08,647 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 4962.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 815.8 MB in the end (delta: 134.4 MB). Peak memory consumption was 134.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 843.74 ms. Allocated memory is still 1.0 GB. Free memory was 815.8 MB in the beginning and 769.7 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 848.55 ms. Allocated memory is still 1.0 GB. Free memory was 769.7 MB in the beginning and 722.5 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...