./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 025d5a27 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 0.1.24-025d5a2 [2019-11-26 16:32:34,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:34,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:34,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:34,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:34,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:34,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:34,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:34,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:34,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:34,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:34,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:34,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:34,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:34,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:34,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:34,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:34,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:34,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:34,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:34,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:34,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:34,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:34,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:34,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:34,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:34,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:34,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:34,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:34,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:34,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:34,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:34,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:34,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:34,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:34,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:34,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:34,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:34,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:34,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:34,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:34,763 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:32:34,791 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:34,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:34,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:34,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:34,798 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:34,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:34,799 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:34,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:32:34,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:34,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:34,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:34,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:34,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:34,803 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:34,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:34,803 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:34,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:34,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:34,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:34,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:34,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:34,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:34,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:34,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:34,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:34,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:32:34,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:32:34,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:34,808 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 [2019-11-26 16:32:35,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:35,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:35,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:35,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:35,289 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:35,289 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-26 16:32:35,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031b99149/ae51790108b14513828921c270dae5d0/FLAG8bd886b12 [2019-11-26 16:32:36,177 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:32:36,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-26 16:32:36,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031b99149/ae51790108b14513828921c270dae5d0/FLAG8bd886b12 [2019-11-26 16:32:36,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031b99149/ae51790108b14513828921c270dae5d0 [2019-11-26 16:32:36,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:32:36,440 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:32:36,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:36,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:32:36,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:32:36,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:36" (1/1) ... [2019-11-26 16:32:36,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da8f6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:36, skipping insertion in model container [2019-11-26 16:32:36,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:36" (1/1) ... [2019-11-26 16:32:36,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:32:36,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:32:37,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:37,025 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:32:37,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:37,152 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:32:37,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:37 WrapperNode [2019-11-26 16:32:37,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:37,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:37,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:32:37,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:32:37,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:37" (1/1) ... [2019-11-26 16:32:37,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:37" (1/1) ... [2019-11-26 16:32:37,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:37,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:32:37,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:32:37,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:32:37,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:37" (1/1) ... [2019-11-26 16:32:37,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:37" (1/1) ... [2019-11-26 16:32:37,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:37" (1/1) ... [2019-11-26 16:32:37,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:37" (1/1) ... [2019-11-26 16:32:37,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:37" (1/1) ... [2019-11-26 16:32:37,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:37" (1/1) ... [2019-11-26 16:32:37,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:37" (1/1) ... [2019-11-26 16:32:37,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:32:37,357 INFO L168 Benchmark]: Toolchain (without parser) took 906.35 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 978.6 MB in the end (delta: -17.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:37,368 INFO L168 Benchmark]: CDTParser took 1.19 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. [2019-11-26 16:32:37,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.96 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 984.4 MB in the end (delta: -22.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:37,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.09 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:37,374 INFO L168 Benchmark]: Boogie Preprocessor took 63.64 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:37,382 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 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 712.96 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 984.4 MB in the end (delta: -22.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 125.09 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.64 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.6 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 0.1.24-025d5a2 [2019-11-26 16:32:40,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:32:40,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:32:40,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:32:40,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:32:40,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:32:40,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:32:40,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:32:40,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:32:40,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:32:40,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:32:40,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:32:40,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:32:40,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:32:40,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:32:40,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:32:40,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:32:40,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:32:40,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:32:40,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:32:40,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:32:40,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:32:40,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:32:40,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:32:40,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:32:40,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:32:40,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:32:40,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:32:40,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:32:40,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:32:40,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:32:40,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:32:40,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:32:40,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:32:40,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:32:40,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:32:40,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:32:40,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:32:40,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:32:40,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:32:40,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:32:40,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:32:40,198 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:32:40,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:32:40,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:32:40,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:32:40,204 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:32:40,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:32:40,204 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:32:40,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:32:40,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:32:40,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:32:40,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:32:40,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:32:40,208 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:32:40,209 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:32:40,209 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:32:40,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:32:40,209 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:32:40,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:32:40,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:32:40,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:32:40,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:32:40,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:32:40,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:32:40,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:32:40,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:32:40,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:32:40,213 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:32:40,213 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:32:40,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:32:40,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:32:40,216 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 [2019-11-26 16:32:40,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:32:40,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:32:40,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:32:40,659 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:32:40,661 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:32:40,664 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-26 16:32:40,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec20f2d12/362a7e6afcd94d47b129b8c5a65c5420/FLAG8884a6f94 [2019-11-26 16:32:41,546 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:32:41,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-26 16:32:41,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec20f2d12/362a7e6afcd94d47b129b8c5a65c5420/FLAG8884a6f94 [2019-11-26 16:32:41,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec20f2d12/362a7e6afcd94d47b129b8c5a65c5420 [2019-11-26 16:32:41,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:32:41,824 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:32:41,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:41,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:32:41,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:32:41,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:41" (1/1) ... [2019-11-26 16:32:41,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522b775e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:41, skipping insertion in model container [2019-11-26 16:32:41,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:32:41" (1/1) ... [2019-11-26 16:32:41,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:32:41,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:32:42,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:42,441 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:32:42,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:32:42,595 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:32:42,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:42 WrapperNode [2019-11-26 16:32:42,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:32:42,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:42,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:32:42,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:32:42,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:42" (1/1) ... [2019-11-26 16:32:42,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:42" (1/1) ... [2019-11-26 16:32:42,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:32:42,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:32:42,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:32:42,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:32:42,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:42" (1/1) ... [2019-11-26 16:32:42,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:42" (1/1) ... [2019-11-26 16:32:42,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:42" (1/1) ... [2019-11-26 16:32:42,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:42" (1/1) ... [2019-11-26 16:32:42,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:42" (1/1) ... [2019-11-26 16:32:42,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:42" (1/1) ... [2019-11-26 16:32:42,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:32:42" (1/1) ... [2019-11-26 16:32:42,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:32:42,824 INFO L168 Benchmark]: Toolchain (without parser) took 997.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.5 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:42,825 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-26 16:32:42,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.59 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:42,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.02 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:32:42,837 INFO L168 Benchmark]: Boogie Preprocessor took 94.94 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:32:42,843 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 764.59 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 127.02 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 94.94 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 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...