./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 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_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 0.1.24-65d6cd2 [2019-11-26 00:28:13,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:13,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:13,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:13,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:13,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:13,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:13,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:13,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:13,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:13,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:13,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:13,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:13,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:13,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:13,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:13,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:13,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:13,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:13,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:13,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:13,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:13,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:13,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:13,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:13,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:13,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:13,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:13,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:13,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:13,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:13,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:13,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:13,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:13,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:13,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:13,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:13,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:13,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:13,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:13,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:13,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:28:13,664 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:13,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:13,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:13,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:13,673 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:13,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:13,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:13,674 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:13,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:13,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:13,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:13,677 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:13,679 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:13,679 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:13,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:13,682 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:13,682 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:13,682 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:13,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:13,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:13,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:13,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:13,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:13,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:13,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:13,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:28:13,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:28:13,687 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 [2019-11-26 00:28:14,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:14,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:14,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:14,369 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:14,370 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:14,372 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-26 00:28:14,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e24bf2b0/1228ae7f7c84417d8448253da53848bf/FLAG4a7b2b440 [2019-11-26 00:28:15,710 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:15,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-26 00:28:15,762 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e24bf2b0/1228ae7f7c84417d8448253da53848bf/FLAG4a7b2b440 [2019-11-26 00:28:15,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e24bf2b0/1228ae7f7c84417d8448253da53848bf [2019-11-26 00:28:15,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:15,815 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:15,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:15,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:15,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:15,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:15" (1/1) ... [2019-11-26 00:28:15,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24aafe98 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 00:28:15,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:15" (1/1) ... [2019-11-26 00:28:15,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:15,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:16,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:16,834 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:17,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:17,075 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:17,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:17 WrapperNode [2019-11-26 00:28:17,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:17,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:17,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:17,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:17,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:17" (1/1) ... [2019-11-26 00:28:17,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:17" (1/1) ... [2019-11-26 00:28:17,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:17" (1/1) ... [2019-11-26 00:28:17,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:17" (1/1) ... [2019-11-26 00:28:17,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:17" (1/1) ... [2019-11-26 00:28:17,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:17" (1/1) ... [2019-11-26 00:28:17,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:17" (1/1) ... [2019-11-26 00:28:17,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:17,248 INFO L168 Benchmark]: Toolchain (without parser) took 1427.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.9 MB in the end (delta: -16.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:17,249 INFO L168 Benchmark]: CDTParser took 0.78 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 00:28:17,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1261.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.9 MB in the end (delta: -16.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:17,265 INFO L168 Benchmark]: Boogie Preprocessor took 156.80 ms. Allocated memory is still 1.0 GB. Free memory is still 983.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:17,276 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 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 1261.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.9 MB in the end (delta: -16.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 156.80 ms. Allocated memory is still 1.0 GB. Free memory is still 983.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:21,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:21,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:21,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:21,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:21,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:21,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:21,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:21,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:21,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:21,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:21,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:21,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:21,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:21,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:21,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:21,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:21,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:21,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:21,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:21,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:21,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:21,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:21,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:21,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:21,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:21,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:21,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:21,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:21,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:21,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:21,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:21,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:21,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:21,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:21,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:21,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:21,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:21,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:21,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:21,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:21,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:21,259 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:21,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:21,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:21,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:21,266 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:21,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:21,267 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:21,267 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:21,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:21,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:21,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:21,270 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:21,271 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:21,272 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:21,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:21,273 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:21,275 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:21,275 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:21,275 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:21,276 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:21,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:21,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:21,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:21,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:21,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:21,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:21,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:21,280 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:21,280 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:21,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:21,284 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 [2019-11-26 00:28:21,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:21,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:21,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:21,880 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:21,880 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:21,882 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-26 00:28:22,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49f1b617a/46f3d709ed0a464ea2ae719e4ba1e262/FLAGfd84d2f39 [2019-11-26 00:28:23,158 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:23,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-26 00:28:23,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49f1b617a/46f3d709ed0a464ea2ae719e4ba1e262/FLAGfd84d2f39 [2019-11-26 00:28:23,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49f1b617a/46f3d709ed0a464ea2ae719e4ba1e262 [2019-11-26 00:28:23,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:23,270 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:23,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:23,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:23,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:23,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:23" (1/1) ... [2019-11-26 00:28:23,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785470ff 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 00:28:23,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:23" (1/1) ... [2019-11-26 00:28:23,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:23,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:24,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:24,331 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:24,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:24,624 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:24,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24 WrapperNode [2019-11-26 00:28:24,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:24,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:24,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:24,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:24,646 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 00:28:24,646 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 00:28:24,696 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 00:28:24,696 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 00:28:24,753 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 00:28:24,785 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 00:28:24,802 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 00:28:24,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:24,837 INFO L168 Benchmark]: Toolchain (without parser) took 1558.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 983.8 MB in the end (delta: -23.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:24,838 INFO L168 Benchmark]: CDTParser took 3.68 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 00:28:24,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1353.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 983.8 MB in the end (delta: -23.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:24,844 INFO L168 Benchmark]: Boogie Preprocessor took 194.21 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 00:28:24,856 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.68 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 1353.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 983.8 MB in the end (delta: -23.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.21 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...