./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 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-2.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 99a77f5372e1d3174eb539425b8da52ff3b34c76 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.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 99a77f5372e1d3174eb539425b8da52ff3b34c76 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:46,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:46,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:46,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:46,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:46,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:46,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:46,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:46,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:46,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:46,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:46,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:46,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:46,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:46,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:46,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:46,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:46,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:46,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:46,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:46,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:46,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:46,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:46,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:46,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:46,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:46,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:46,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:46,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:46,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:46,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:46,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:46,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:46,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:46,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:46,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:46,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:46,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:46,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:46,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:46,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:46,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:46,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:46,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:46,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:46,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:46,544 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:46,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:46,546 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:46,546 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:46,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:46,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:46,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:46,550 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:46,551 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:46,551 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:46,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:46,554 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:46,554 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:46,554 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:46,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:46,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:46,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:46,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:46,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:46,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:46,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:46,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:46,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:46,561 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 -> 99a77f5372e1d3174eb539425b8da52ff3b34c76 [2019-11-24 22:23:47,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:47,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:47,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:47,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:47,175 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:47,176 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-24 22:23:47,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df6053be9/7e0561587d524df3af462b1275d52240/FLAG9a27fcfe8 [2019-11-24 22:23:48,497 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:48,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-24 22:23:48,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df6053be9/7e0561587d524df3af462b1275d52240/FLAG9a27fcfe8 [2019-11-24 22:23:48,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df6053be9/7e0561587d524df3af462b1275d52240 [2019-11-24 22:23:48,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:48,587 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:48,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:48,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:48,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:48,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:48" (1/1) ... [2019-11-24 22:23:48,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197a930a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:48, skipping insertion in model container [2019-11-24 22:23:48,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:48" (1/1) ... [2019-11-24 22:23:48,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:48,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:49,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:49,643 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:49,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:49,922 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:49,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49 WrapperNode [2019-11-24 22:23:49,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:49,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:49,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:49,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:49,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:49,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:49,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:49,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:50,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:50,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:50,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:50,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:50,103 INFO L168 Benchmark]: Toolchain (without parser) took 1502.27 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 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:50,104 INFO L168 Benchmark]: CDTParser took 1.83 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. [2019-11-24 22:23:50,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1334.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:50,117 INFO L168 Benchmark]: Boogie Preprocessor took 161.62 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:50,129 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.83 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 1334.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 161.62 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:53,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:53,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:53,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:53,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:53,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:53,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:53,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:53,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:53,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:53,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:53,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:53,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:53,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:53,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:53,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:53,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:53,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:53,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:53,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:53,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:53,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:53,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:53,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:53,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:53,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:53,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:53,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:53,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:53,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:53,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:53,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:53,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:53,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:53,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:53,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:53,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:53,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:53,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:53,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:53,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:53,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:54,045 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:54,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:54,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:54,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:54,053 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:54,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:54,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:54,055 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:54,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:54,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:54,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:54,059 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:54,059 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:54,061 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:54,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:54,062 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:54,062 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:54,063 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:54,063 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:54,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:54,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:54,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:54,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:54,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:54,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:54,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:54,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:54,068 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:54,069 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:54,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:54,072 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 -> 99a77f5372e1d3174eb539425b8da52ff3b34c76 [2019-11-24 22:23:54,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:54,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:54,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:54,704 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:54,709 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:54,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-24 22:23:54,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f52d7729/efb4c7fcd3494a079d3e4153cafc20d8/FLAGfc682c2f1 [2019-11-24 22:23:56,063 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:56,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-24 22:23:56,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f52d7729/efb4c7fcd3494a079d3e4153cafc20d8/FLAGfc682c2f1 [2019-11-24 22:23:56,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f52d7729/efb4c7fcd3494a079d3e4153cafc20d8 [2019-11-24 22:23:56,167 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:56,174 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:56,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:56,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:56,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:56,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:56" (1/1) ... [2019-11-24 22:23:56,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e5d695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:56, skipping insertion in model container [2019-11-24 22:23:56,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:56" (1/1) ... [2019-11-24 22:23:56,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:56,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:57,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:57,178 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:57,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:57,450 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:57,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57 WrapperNode [2019-11-24 22:23:57,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:57,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:57,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:57,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:57,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:57,648 INFO L168 Benchmark]: Toolchain (without parser) took 1463.83 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 978.2 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:57,649 INFO L168 Benchmark]: CDTParser took 0.44 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. [2019-11-24 22:23:57,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1272.99 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 984.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:57,653 INFO L168 Benchmark]: Boogie Preprocessor took 182.15 ms. Allocated memory is still 1.0 GB. Free memory was 984.0 MB in the beginning and 978.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:57,662 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 1272.99 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 984.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 182.15 ms. Allocated memory is still 1.0 GB. Free memory was 984.0 MB in the beginning and 978.2 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...