./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 308418b7ac422097ab7771e41dfffc82b3212e77 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:49:44,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:49:44,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:49:44,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:49:44,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:49:44,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:49:44,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:49:44,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:49:44,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:49:44,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:49:44,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:49:44,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:49:44,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:49:44,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:49:44,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:49:44,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:49:44,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:49:44,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:49:44,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:49:44,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:49:44,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:49:44,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:49:44,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:49:44,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:49:44,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:49:44,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:49:44,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:49:44,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:49:44,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:49:44,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:49:44,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:49:44,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:49:44,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:49:44,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:49:44,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:49:44,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:49:44,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:49:44,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:49:44,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:49:44,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:49:44,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:49:44,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-16 21:49:44,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:49:44,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:49:44,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:49:44,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:49:44,612 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:49:44,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:49:44,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:49:44,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:49:44,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:49:44,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:49:44,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:49:44,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:49:44,619 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:49:44,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:49:44,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:49:44,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:49:44,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:49:44,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:49:44,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:49:44,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:49:44,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:49:44,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:49:44,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:49:44,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:49:44,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:49:44,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 21:49:44,627 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 308418b7ac422097ab7771e41dfffc82b3212e77 [2019-11-16 21:49:45,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:49:45,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:49:45,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:49:45,269 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:49:45,272 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:49:45,273 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-11-16 21:49:45,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e262c0a/8075141a8e3b4cf0bfb6cfca347f2de9/FLAG47b4607f0 [2019-11-16 21:49:47,160 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:49:47,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-11-16 21:49:47,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e262c0a/8075141a8e3b4cf0bfb6cfca347f2de9/FLAG47b4607f0 [2019-11-16 21:49:47,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e262c0a/8075141a8e3b4cf0bfb6cfca347f2de9 [2019-11-16 21:49:47,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:49:47,287 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:49:47,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:49:47,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:49:47,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:49:47,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:49:47" (1/1) ... [2019-11-16 21:49:47,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8906e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:49:47, skipping insertion in model container [2019-11-16 21:49:47,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:49:47" (1/1) ... [2019-11-16 21:49:47,338 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:49:47,576 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:49:50,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:49:50,143 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:49:50,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:49:51,108 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:49:51,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:49:51 WrapperNode [2019-11-16 21:49:51,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:49:51,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:49:51,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:49:51,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:49:51,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:49:51" (1/1) ... [2019-11-16 21:49:51,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:49:51" (1/1) ... [2019-11-16 21:49:51,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:49:51,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:49:51,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:49:51,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:49:51,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:49:51" (1/1) ... [2019-11-16 21:49:51,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:49:51" (1/1) ... [2019-11-16 21:49:51,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:49:51" (1/1) ... [2019-11-16 21:49:51,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:49:51" (1/1) ... [2019-11-16 21:49:51,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:49:51" (1/1) ... [2019-11-16 21:49:52,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:49:51" (1/1) ... [2019-11-16 21:49:52,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:49:51" (1/1) ... [2019-11-16 21:49:52,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:49:52,136 INFO L168 Benchmark]: Toolchain (without parser) took 4846.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 851.7 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 12.5 GB. [2019-11-16 21:49:52,137 INFO L168 Benchmark]: CDTParser took 1.84 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. [2019-11-16 21:49:52,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3821.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 880.3 MB in the end (delta: 75.6 MB). Peak memory consumption was 75.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:49:52,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 509.05 ms. Allocated memory is still 1.0 GB. Free memory was 880.3 MB in the beginning and 863.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:49:52,151 INFO L168 Benchmark]: Boogie Preprocessor took 507.68 ms. Allocated memory is still 1.0 GB. Free memory was 863.1 MB in the beginning and 851.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:49:52,166 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.84 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 3821.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 880.3 MB in the end (delta: 75.6 MB). Peak memory consumption was 75.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 509.05 ms. Allocated memory is still 1.0 GB. Free memory was 880.3 MB in the beginning and 863.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 507.68 ms. Allocated memory is still 1.0 GB. Free memory was 863.1 MB in the beginning and 851.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...