./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4d1760c3f63950e961525df0d726cb05fa47146 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4d1760c3f63950e961525df0d726cb05fa47146 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:58:27,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:27,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:27,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:27,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:27,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:27,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:27,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:27,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:27,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:27,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:27,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:27,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:27,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:27,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:27,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:27,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:27,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:27,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:27,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:27,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:27,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:27,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:27,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:27,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:27,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:27,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:27,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:27,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:27,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:27,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:27,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:27,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:27,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:27,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:27,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:27,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:27,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:27,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:27,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:27,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:27,533 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:58:27,573 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:27,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:27,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:27,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:27,580 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:27,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:27,581 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:27,581 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:27,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:27,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:27,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:27,584 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:27,585 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:27,586 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:27,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:27,587 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:27,587 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:27,589 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:27,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:27,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:27,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:27,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:27,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:27,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:27,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:27,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:58:27,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:58:27,595 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> e4d1760c3f63950e961525df0d726cb05fa47146 [2019-11-26 17:58:28,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:28,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:28,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:28,235 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:28,239 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:28,240 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-11-26 17:58:28,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0a64ddb5/be7d8d3dd285408f9494c8b30127b5b6/FLAG5d9dfd373 [2019-11-26 17:58:29,560 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:29,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-11-26 17:58:29,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0a64ddb5/be7d8d3dd285408f9494c8b30127b5b6/FLAG5d9dfd373 [2019-11-26 17:58:29,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0a64ddb5/be7d8d3dd285408f9494c8b30127b5b6 [2019-11-26 17:58:29,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:29,662 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:29,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:29,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:29,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:29,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:29" (1/1) ... [2019-11-26 17:58:29,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d4f145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:29, skipping insertion in model container [2019-11-26 17:58:29,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:29" (1/1) ... [2019-11-26 17:58:29,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:29,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:30,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:30,689 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:58:30,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:30,929 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:58:30,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30 WrapperNode [2019-11-26 17:58:30,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:30,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:58:30,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:58:30,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:58:30,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:30,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:30,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:30,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:31,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:31,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:31,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:31,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:58:31,102 INFO L168 Benchmark]: Toolchain (without parser) took 1441.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.8 MB in the end (delta: -16.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:58:31,109 INFO L168 Benchmark]: CDTParser took 0.71 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. [2019-11-26 17:58:31,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1262.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:31,122 INFO L168 Benchmark]: Boogie Preprocessor took 165.24 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:58:31,131 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 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 1262.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 165.24 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:58:34,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:34,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:34,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:34,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:34,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:34,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:34,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:34,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:34,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:34,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:34,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:34,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:34,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:34,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:34,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:34,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:34,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:34,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:34,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:34,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:35,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:35,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:35,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:35,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:35,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:35,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:35,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:35,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:35,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:35,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:35,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:35,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:35,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:35,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:35,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:35,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:35,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:35,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:35,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:35,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:35,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:58:35,095 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:35,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:35,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:35,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:35,103 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:35,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:35,103 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:35,105 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:35,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:35,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:35,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:35,110 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:35,110 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:35,111 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:35,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:35,111 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:35,112 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:58:35,112 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:58:35,112 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:35,112 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:35,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:35,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:35,115 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:35,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:35,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:35,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:35,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:35,118 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:58:35,118 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:58:35,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:58:35,120 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> e4d1760c3f63950e961525df0d726cb05fa47146 [2019-11-26 17:58:35,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:35,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:35,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:35,729 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:35,732 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:35,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-11-26 17:58:35,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a0cad93/836541fae8514ddebfc332d2fb570d9f/FLAGf63df5d44 [2019-11-26 17:58:37,080 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:37,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-11-26 17:58:37,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a0cad93/836541fae8514ddebfc332d2fb570d9f/FLAGf63df5d44 [2019-11-26 17:58:37,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a0cad93/836541fae8514ddebfc332d2fb570d9f [2019-11-26 17:58:37,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:37,177 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:37,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:37,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:37,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:37,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:37" (1/1) ... [2019-11-26 17:58:37,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a0bf7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:37, skipping insertion in model container [2019-11-26 17:58:37,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:37" (1/1) ... [2019-11-26 17:58:37,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:37,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:38,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:38,223 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:58:38,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:38,454 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:58:38,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38 WrapperNode [2019-11-26 17:58:38,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:38,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:58:38,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:58:38,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:58:38,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:58:38,646 INFO L168 Benchmark]: Toolchain (without parser) took 1461.34 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 983.7 MB in the end (delta: -22.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:58:38,648 INFO L168 Benchmark]: CDTParser took 0.37 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 17:58:38,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1276.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 983.7 MB in the end (delta: -22.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:38,653 INFO L168 Benchmark]: Boogie Preprocessor took 177.29 ms. Allocated memory is still 1.0 GB. Free memory is still 983.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:58:38,661 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1276.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 983.7 MB in the end (delta: -22.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 177.29 ms. Allocated memory is still 1.0 GB. Free memory is still 983.7 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...