./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -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 99a77f5372e1d3174eb539425b8da52ff3b34c76 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -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 99a77f5372e1d3174eb539425b8da52ff3b34c76 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:19:38,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:38,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:38,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:38,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:38,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:38,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:38,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:38,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:38,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:38,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:38,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:38,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:38,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:38,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:38,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:38,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:38,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:38,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:38,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:38,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:38,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:38,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:38,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:38,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:38,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:38,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:38,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:38,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:38,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:38,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:38,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:38,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:38,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:38,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:38,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:38,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:38,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:38,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:38,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:38,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:38,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:19:38,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:38,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:38,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:38,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:38,320 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:38,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:38,322 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:38,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:19:38,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:38,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:38,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:38,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:38,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:38,327 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:38,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:38,328 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:38,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:38,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:38,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:38,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:38,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:38,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:38,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:38,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:38,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:38,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:19:38,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:19:38,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:38,336 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 -> 99a77f5372e1d3174eb539425b8da52ff3b34c76 [2019-11-27 09:19:38,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:38,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:38,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:38,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:38,972 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:38,973 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-27 09:19:39,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f14bb31e/be1ff823ad7c4bf18ce665465cfc5812/FLAG9c575ce22 [2019-11-27 09:19:40,344 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:40,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-27 09:19:40,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f14bb31e/be1ff823ad7c4bf18ce665465cfc5812/FLAG9c575ce22 [2019-11-27 09:19:40,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f14bb31e/be1ff823ad7c4bf18ce665465cfc5812 [2019-11-27 09:19:40,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:40,444 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:40,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:40,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:40,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:40,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:40" (1/1) ... [2019-11-27 09:19:40,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197a930a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:40, skipping insertion in model container [2019-11-27 09:19:40,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:40" (1/1) ... [2019-11-27 09:19:40,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:40,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:41,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:41,552 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:41,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:41,860 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:41,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41 WrapperNode [2019-11-27 09:19:41,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:41,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:41,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:41,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:41,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:41,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:42,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:42,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:42,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:42,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:42,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:42,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:42,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:42,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:42,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:42,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:42,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:42,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:42,320 INFO L168 Benchmark]: Toolchain (without parser) took 1866.54 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 972.7 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:42,321 INFO L168 Benchmark]: CDTParser took 2.46 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 09:19:42,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1416.01 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 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:42,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 237.80 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:42,337 INFO L168 Benchmark]: Boogie Preprocessor took 201.90 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:42,353 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.46 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 1416.01 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 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 237.80 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 201.90 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.7 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 09:19:46,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:46,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:46,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:46,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:46,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:46,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:46,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:46,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:46,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:46,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:46,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:46,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:46,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:46,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:46,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:46,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:46,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:46,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:46,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:46,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:46,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:46,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:46,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:46,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:46,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:46,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:46,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:46,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:46,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:46,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:46,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:46,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:46,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:46,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:46,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:46,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:46,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:46,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:46,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:46,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:46,506 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:19:46,557 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:46,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:46,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:46,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:46,569 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:46,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:46,570 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:46,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:46,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:46,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:46,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:46,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:46,576 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:19:46,576 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:19:46,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:46,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:46,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:46,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:46,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:46,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:46,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:46,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:46,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:46,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:46,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:46,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:46,586 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:19:46,586 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:19:46,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:46,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:19:46,588 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 -> 99a77f5372e1d3174eb539425b8da52ff3b34c76 [2019-11-27 09:19:47,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:47,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:47,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:47,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:47,210 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:47,211 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-27 09:19:47,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2e41623/af388b39617b442bb93ad5e8adfca8be/FLAG3503b597a [2019-11-27 09:19:48,601 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:48,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-27 09:19:48,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2e41623/af388b39617b442bb93ad5e8adfca8be/FLAG3503b597a [2019-11-27 09:19:48,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2e41623/af388b39617b442bb93ad5e8adfca8be [2019-11-27 09:19:48,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:48,706 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:48,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:48,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:48,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:48,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:48" (1/1) ... [2019-11-27 09:19:48,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67226ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:48, skipping insertion in model container [2019-11-27 09:19:48,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:48" (1/1) ... [2019-11-27 09:19:48,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:48,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:49,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:49,779 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:50,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:50,085 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:50,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50 WrapperNode [2019-11-27 09:19:50,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:50,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:50,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:50,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:50,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:50,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:50,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:50,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:50,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:50,531 INFO L168 Benchmark]: Toolchain (without parser) took 1826.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.8 MB in the end (delta: -12.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:50,536 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. [2019-11-27 09:19:50,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1382.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.2 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:50,543 INFO L168 Benchmark]: Boogie Procedure Inliner took 257.85 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:50,548 INFO L168 Benchmark]: Boogie Preprocessor took 167.82 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:50,559 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 1382.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.2 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 257.85 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 167.82 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 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...