./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c --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/ntdrivers-simplified/kbfiltr_simpl1.cil.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 a3956b9d522359ca85af7edde8f84196cd7ca984 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_simpl1.cil.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 a3956b9d522359ca85af7edde8f84196cd7ca984 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:41:26,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:26,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:26,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:26,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:26,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:26,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:26,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:26,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:26,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:26,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:26,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:26,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:26,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:26,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:26,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:26,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:26,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:26,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:26,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:26,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:26,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:26,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:26,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:27,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:27,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:27,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:27,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:27,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:27,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:27,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:27,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:27,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:27,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:27,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:27,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:27,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:27,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:27,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:27,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:27,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:27,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:27,084 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:27,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:27,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:27,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:27,093 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:27,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:27,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:27,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:27,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:27,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:27,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:27,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:27,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:27,102 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:27,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:27,102 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:27,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:27,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:27,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:27,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:27,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:27,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:27,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:27,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:27,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:27,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:27,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:27,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:27,109 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 -> a3956b9d522359ca85af7edde8f84196cd7ca984 [2019-11-27 15:41:27,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:27,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:27,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:27,735 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:27,737 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:27,738 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-27 15:41:27,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb3d52329/6a19bd6b7d22417883d57f6a0dc7dc70/FLAGca79785a1 [2019-11-27 15:41:28,979 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:28,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-27 15:41:29,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb3d52329/6a19bd6b7d22417883d57f6a0dc7dc70/FLAGca79785a1 [2019-11-27 15:41:29,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb3d52329/6a19bd6b7d22417883d57f6a0dc7dc70 [2019-11-27 15:41:29,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:29,205 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:29,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:29,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:29,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:29,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:29" (1/1) ... [2019-11-27 15:41:29,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f182920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:29, skipping insertion in model container [2019-11-27 15:41:29,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:29" (1/1) ... [2019-11-27 15:41:29,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:29,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:29,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:30,085 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:30,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:30,285 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:30,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30 WrapperNode [2019-11-27 15:41:30,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:30,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:30,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:30,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:30,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:30,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:30,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:30,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:30,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:30,611 INFO L168 Benchmark]: Toolchain (without parser) took 1390.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 984.0 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:30,612 INFO L168 Benchmark]: CDTParser took 1.51 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 15:41:30,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1081.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 989.7 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:30,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.86 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:30,623 INFO L168 Benchmark]: Boogie Preprocessor took 131.01 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:30,635 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51 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 1081.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 989.7 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 161.86 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 131.01 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:41:34,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:34,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:34,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:34,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:34,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:34,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:34,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:34,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:34,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:34,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:34,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:34,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:34,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:34,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:34,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:34,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:34,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:34,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:34,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:34,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:34,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:34,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:34,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:34,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:34,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:34,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:34,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:34,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:34,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:34,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:34,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:34,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:34,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:34,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:34,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:34,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:34,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:34,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:34,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:34,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:34,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:34,773 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:34,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:34,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:34,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:34,780 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:34,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:34,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:34,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:34,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:34,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:34,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:34,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:34,786 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:34,786 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:34,789 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:34,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:34,789 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:34,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:34,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:34,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:34,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:34,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:34,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:34,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:34,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:34,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:34,795 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:34,796 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:34,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:34,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:34,800 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 -> a3956b9d522359ca85af7edde8f84196cd7ca984 [2019-11-27 15:41:35,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:35,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:35,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:35,425 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:35,428 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:35,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-27 15:41:35,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/154c12826/cf9c175b06f3498098f13dd545760d96/FLAG8cbdcbffb [2019-11-27 15:41:36,647 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:36,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-27 15:41:36,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/154c12826/cf9c175b06f3498098f13dd545760d96/FLAG8cbdcbffb [2019-11-27 15:41:36,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/154c12826/cf9c175b06f3498098f13dd545760d96 [2019-11-27 15:41:36,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:36,758 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:36,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:36,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:36,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:36,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:36" (1/1) ... [2019-11-27 15:41:36,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df2acde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:36, skipping insertion in model container [2019-11-27 15:41:36,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:36" (1/1) ... [2019-11-27 15:41:36,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:36,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:37,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:37,604 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:37,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:37,889 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:37,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37 WrapperNode [2019-11-27 15:41:37,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:37,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:37,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:37,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:37,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:37,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:38,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:38,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:38,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:38,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:38,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:38,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:38,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:38,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:38,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:38,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:38,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:37" (1/1) ... [2019-11-27 15:41:38,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:38,214 INFO L168 Benchmark]: Toolchain (without parser) took 1449.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.9 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:38,216 INFO L168 Benchmark]: CDTParser took 2.56 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:38,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1130.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 989.7 MB in the end (delta: -22.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:38,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.31 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 983.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:38,226 INFO L168 Benchmark]: Boogie Preprocessor took 123.50 ms. Allocated memory is still 1.0 GB. Free memory is still 983.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:38,233 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.56 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1130.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 989.7 MB in the end (delta: -22.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 182.31 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 983.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 123.50 ms. Allocated memory is still 1.0 GB. Free memory is still 983.9 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...