./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.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 718007498b48461e11201078024a70c536c5f2a0 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 718007498b48461e11201078024a70c536c5f2a0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:14:35,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:14:35,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:14:35,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:14:35,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:14:35,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:14:35,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:14:35,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:14:35,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:14:35,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:14:35,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:14:35,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:14:35,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:14:35,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:14:35,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:14:35,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:14:35,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:14:35,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:14:35,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:14:35,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:14:35,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:14:35,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:14:35,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:14:35,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:14:35,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:14:35,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:14:35,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:14:35,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:14:35,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:14:35,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:14:35,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:14:35,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:14:35,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:14:35,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:14:35,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:14:35,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:14:35,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:14:35,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:14:35,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:14:35,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:14:35,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:14:35,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-27 11:14:35,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:14:35,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:14:35,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:14:35,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:14:35,632 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:14:35,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:14:35,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:14:35,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:14:35,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 11:14:35,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:14:35,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 11:14:35,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 11:14:35,638 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:14:35,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 11:14:35,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:14:35,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:14:35,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:14:35,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:14:35,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:14:35,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:14:35,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:14:35,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 11:14:35,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:14:35,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:14:35,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 11:14:35,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:14:35,647 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 -> 718007498b48461e11201078024a70c536c5f2a0 [2019-11-27 11:14:36,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:14:36,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:14:36,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:14:36,261 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:14:36,263 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:14:36,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-27 11:14:36,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a251e50e9/8710f649cebd4f20805c336a348bf286/FLAGbeee5e037 [2019-11-27 11:14:38,388 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:14:38,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-27 11:14:38,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a251e50e9/8710f649cebd4f20805c336a348bf286/FLAGbeee5e037 [2019-11-27 11:14:38,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a251e50e9/8710f649cebd4f20805c336a348bf286 [2019-11-27 11:14:38,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:14:38,593 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 11:14:38,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:14:38,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:14:38,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:14:38,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:14:38" (1/1) ... [2019-11-27 11:14:38,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3edcc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:14:38, skipping insertion in model container [2019-11-27 11:14:38,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:14:38" (1/1) ... [2019-11-27 11:14:38,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:14:39,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:14:47,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:14:47,628 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:14:48,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:14:52,175 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:14:52,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:14:52 WrapperNode [2019-11-27 11:14:52,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:14:52,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 11:14:52,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 11:14:52,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 11:14:52,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:14:52" (1/1) ... [2019-11-27 11:14:52,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:14:52" (1/1) ... [2019-11-27 11:14:53,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 11:14:53,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:14:53,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:14:53,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:14:53,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:14:52" (1/1) ... [2019-11-27 11:14:53,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:14:52" (1/1) ... [2019-11-27 11:14:53,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:14:52" (1/1) ... [2019-11-27 11:14:53,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:14:52" (1/1) ... [2019-11-27 11:14:53,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:14:52" (1/1) ... [2019-11-27 11:14:54,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:14:52" (1/1) ... [2019-11-27 11:14:54,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:14:52" (1/1) ... [2019-11-27 11:14:54,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:14:54,314 INFO L168 Benchmark]: Toolchain (without parser) took 15722.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 671.5 MB in the end (delta: 273.0 MB). Peak memory consumption was 273.0 MB. Max. memory is 12.5 GB. [2019-11-27 11:14:54,316 INFO L168 Benchmark]: CDTParser took 1.88 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. [2019-11-27 11:14:54,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 13580.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 819.4 MB in the end (delta: 125.1 MB). Peak memory consumption was 308.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:14:54,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 1139.20 ms. Allocated memory is still 1.0 GB. Free memory was 819.4 MB in the beginning and 739.4 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 12.5 GB. [2019-11-27 11:14:54,327 INFO L168 Benchmark]: Boogie Preprocessor took 991.74 ms. Allocated memory is still 1.0 GB. Free memory was 739.4 MB in the beginning and 671.5 MB in the end (delta: 67.9 MB). Peak memory consumption was 67.9 MB. Max. memory is 12.5 GB. [2019-11-27 11:14:54,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.88 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 13580.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 819.4 MB in the end (delta: 125.1 MB). Peak memory consumption was 308.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1139.20 ms. Allocated memory is still 1.0 GB. Free memory was 819.4 MB in the beginning and 739.4 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 991.74 ms. Allocated memory is still 1.0 GB. Free memory was 739.4 MB in the beginning and 671.5 MB in the end (delta: 67.9 MB). Peak memory consumption was 67.9 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-da95e15 [2019-11-27 11:14:58,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:14:58,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:14:58,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:14:58,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:14:58,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:14:58,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:14:58,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:14:58,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:14:58,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:14:58,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:14:58,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:14:58,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:14:58,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:14:58,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:14:58,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:14:58,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:14:58,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:14:58,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:14:58,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:14:58,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:14:58,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:14:58,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:14:58,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:14:58,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:14:58,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:14:58,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:14:58,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:14:58,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:14:58,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:14:58,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:14:58,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:14:58,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:14:58,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:14:58,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:14:58,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:14:58,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:14:58,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:14:58,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:14:58,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:14:58,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:14:58,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-27 11:14:58,811 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:14:58,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:14:58,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:14:58,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:14:58,824 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:14:58,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:14:58,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:14:58,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 11:14:58,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:14:58,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 11:14:58,828 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:14:58,829 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:14:58,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 11:14:58,830 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:14:58,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 11:14:58,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:14:58,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:14:58,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:14:58,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:14:58,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:14:58,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:14:58,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:14:58,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 11:14:58,838 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:14:58,839 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:14:58,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 11:14:58,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:14:58,840 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-27 11:14:58,840 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 -> 718007498b48461e11201078024a70c536c5f2a0 [2019-11-27 11:14:59,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:14:59,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:14:59,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:14:59,735 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:14:59,736 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:14:59,737 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-27 11:14:59,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4346352/e8804fe5576f4997bc0c81df96b94eba/FLAGcfc619090 [2019-11-27 11:15:02,057 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:15:02,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-27 11:15:02,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4346352/e8804fe5576f4997bc0c81df96b94eba/FLAGcfc619090 [2019-11-27 11:15:02,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4346352/e8804fe5576f4997bc0c81df96b94eba [2019-11-27 11:15:02,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:15:02,275 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 11:15:02,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:15:02,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:15:02,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:15:02,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:15:02" (1/1) ... [2019-11-27 11:15:02,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3edcc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:02, skipping insertion in model container [2019-11-27 11:15:02,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:15:02" (1/1) ... [2019-11-27 11:15:02,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:15:02,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:15:12,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:15:13,058 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:15:14,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:15:17,342 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:15:17,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:17 WrapperNode [2019-11-27 11:15:17,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:15:17,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 11:15:17,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 11:15:17,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 11:15:17,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:17" (1/1) ... [2019-11-27 11:15:17,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:17" (1/1) ... [2019-11-27 11:15:18,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 11:15:18,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:15:18,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:15:18,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:15:18,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:17" (1/1) ... [2019-11-27 11:15:18,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:17" (1/1) ... [2019-11-27 11:15:18,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:17" (1/1) ... [2019-11-27 11:15:18,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:17" (1/1) ... [2019-11-27 11:15:18,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:17" (1/1) ... [2019-11-27 11:15:18,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:17" (1/1) ... [2019-11-27 11:15:19,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:17" (1/1) ... [2019-11-27 11:15:19,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:15:19,209 INFO L168 Benchmark]: Toolchain (without parser) took 16934.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 693.9 MB in the end (delta: 256.3 MB). Peak memory consumption was 256.4 MB. Max. memory is 12.5 GB. [2019-11-27 11:15:19,212 INFO L168 Benchmark]: CDTParser took 0.36 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. [2019-11-27 11:15:19,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 15067.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 816.5 MB in the end (delta: 133.8 MB). Peak memory consumption was 314.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:15:19,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 975.83 ms. Allocated memory is still 1.0 GB. Free memory was 816.5 MB in the beginning and 755.2 MB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 12.5 GB. [2019-11-27 11:15:19,225 INFO L168 Benchmark]: Boogie Preprocessor took 877.71 ms. Allocated memory is still 1.0 GB. Free memory was 755.2 MB in the beginning and 693.9 MB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 12.5 GB. [2019-11-27 11:15:19,241 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 15067.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 816.5 MB in the end (delta: 133.8 MB). Peak memory consumption was 314.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 975.83 ms. Allocated memory is still 1.0 GB. Free memory was 816.5 MB in the beginning and 755.2 MB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 877.71 ms. Allocated memory is still 1.0 GB. Free memory was 755.2 MB in the beginning and 693.9 MB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...