./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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_simpl1.cil.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 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.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 a3956b9d522359ca85af7edde8f84196cd7ca984 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:13,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:13,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:13,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:13,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:13,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:13,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:13,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:13,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:13,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:13,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:13,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:13,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:13,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:13,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:13,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:13,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:13,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:13,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:13,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:13,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:13,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:13,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:13,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:13,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:13,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:13,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:13,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:13,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:13,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:13,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:13,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:13,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:13,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:13,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:13,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:13,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:13,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:13,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:13,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:13,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:13,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:28:13,448 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:13,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:13,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:13,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:13,456 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:13,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:13,458 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:13,458 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:13,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:13,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:13,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:13,462 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:13,463 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:13,463 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:13,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:13,464 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:13,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:13,466 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:13,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:13,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:13,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:13,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:13,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:13,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:13,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:13,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:28:13,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:28:13,472 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 -> a3956b9d522359ca85af7edde8f84196cd7ca984 [2019-11-26 00:28:14,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:14,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:14,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:14,117 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:14,119 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:14,121 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-26 00:28:14,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ec71417/7bc5392ea33147cd877b3df22fc972d6/FLAG991bd38a3 [2019-11-26 00:28:15,450 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:15,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-26 00:28:15,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ec71417/7bc5392ea33147cd877b3df22fc972d6/FLAG991bd38a3 [2019-11-26 00:28:15,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ec71417/7bc5392ea33147cd877b3df22fc972d6 [2019-11-26 00:28:15,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:15,540 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:15,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:15,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:15,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:15,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:15" (1/1) ... [2019-11-26 00:28:15,566 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 12:28:15, skipping insertion in model container [2019-11-26 00:28:15,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:15" (1/1) ... [2019-11-26 00:28:15,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:15,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:16,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:16,379 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:16,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:16,571 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:16,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16 WrapperNode [2019-11-26 00:28:16,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:16,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:16,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:16,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:16,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:16,744 INFO L168 Benchmark]: Toolchain (without parser) took 1203.17 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 984.0 MB in the end (delta: -22.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:16,753 INFO L168 Benchmark]: CDTParser took 0.61 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 00:28:16,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1034.35 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 989.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:16,758 INFO L168 Benchmark]: Boogie Preprocessor took 161.90 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. [2019-11-26 00:28:16,770 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 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 1034.35 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 989.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 161.90 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:20,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:20,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:20,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:20,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:20,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:20,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:20,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:20,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:20,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:20,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:20,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:20,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:20,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:20,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:20,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:20,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:20,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:20,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:20,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:20,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:20,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:20,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:20,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:20,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:20,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:20,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:20,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:20,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:20,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:20,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:20,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:20,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:20,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:20,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:20,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:20,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:20,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:20,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:20,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:20,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:20,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:20,943 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:20,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:20,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:20,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:20,950 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:20,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:20,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:20,953 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:20,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:20,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:20,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:20,956 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:20,957 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:20,958 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:20,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:20,961 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:20,961 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:20,961 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:20,962 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:20,962 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:20,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:20,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:20,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:20,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:20,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:20,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:20,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:20,968 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:20,968 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:20,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:20,970 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 -> a3956b9d522359ca85af7edde8f84196cd7ca984 [2019-11-26 00:28:21,589 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:21,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:21,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:21,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:21,635 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:21,637 INFO L428 ainManager$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 00:28:21,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7313fec/1d7acca973284b6088b024ecc628a555/FLAG2e8f5d33c [2019-11-26 00:28:22,869 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:22,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-26 00:28:22,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7313fec/1d7acca973284b6088b024ecc628a555/FLAG2e8f5d33c [2019-11-26 00:28:22,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7313fec/1d7acca973284b6088b024ecc628a555 [2019-11-26 00:28:22,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:22,983 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:22,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:22,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:22,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:22,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:22" (1/1) ... [2019-11-26 00:28:23,006 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 26.11 12:28:23, skipping insertion in model container [2019-11-26 00:28:23,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:22" (1/1) ... [2019-11-26 00:28:23,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:23,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:23,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:23,758 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:23,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:24,050 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:24,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24 WrapperNode [2019-11-26 00:28:24,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:24,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:24,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:24,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:24,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:24,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:24,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:24,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:24,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:24,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:24,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:24,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:24,211 INFO L168 Benchmark]: Toolchain (without parser) took 1224.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 989.5 MB in the end (delta: -26.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:24,213 INFO L168 Benchmark]: CDTParser took 1.01 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 00:28:24,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1065.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 989.5 MB in the end (delta: -26.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:24,218 INFO L168 Benchmark]: Boogie Preprocessor took 152.66 ms. Allocated memory is still 1.0 GB. Free memory is still 989.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:24,227 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01 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 1065.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 989.5 MB in the end (delta: -26.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 152.66 ms. Allocated memory is still 1.0 GB. Free memory is still 989.5 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...