./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_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_complex_emg_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 54d29292265559f89a8a363835c95bffc56bf84b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_complex_emg_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 54d29292265559f89a8a363835c95bffc56bf84b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:10:33,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:10:33,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:10:33,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:10:33,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:10:33,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:10:33,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:10:33,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:10:33,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:10:33,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:10:33,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:10:33,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:10:33,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:10:33,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:10:33,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:10:33,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:10:33,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:10:33,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:10:33,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:10:33,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:10:33,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:10:33,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:10:33,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:10:33,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:10:33,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:10:33,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:10:33,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:10:33,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:10:33,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:10:33,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:10:33,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:10:33,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:10:33,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:10:33,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:10:33,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:10:33,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:10:33,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:10:33,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:10:33,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:10:33,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:10:33,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:10:33,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-27 11:10:33,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:10:33,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:10:33,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:10:33,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:10:33,237 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:10:33,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:10:33,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:10:33,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:10:33,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 11:10:33,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:10:33,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 11:10:33,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 11:10:33,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:10:33,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 11:10:33,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:10:33,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:10:33,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:10:33,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:10:33,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:10:33,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:10:33,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:10:33,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 11:10:33,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:10:33,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:10:33,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 11:10:33,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:10:33,252 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 -> 54d29292265559f89a8a363835c95bffc56bf84b [2019-11-27 11:10:33,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:10:33,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:10:33,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:10:33,858 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:10:33,860 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:10:33,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-27 11:10:34,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e362d046f/dfb10f8a3d1443d0af86388a255ca9f0/FLAG5fb4ded0e [2019-11-27 11:10:35,987 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:10:35,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-27 11:10:36,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e362d046f/dfb10f8a3d1443d0af86388a255ca9f0/FLAG5fb4ded0e [2019-11-27 11:10:36,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e362d046f/dfb10f8a3d1443d0af86388a255ca9f0 [2019-11-27 11:10:36,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:10:36,328 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 11:10:36,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:10:36,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:10:36,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:10:36,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:10:36" (1/1) ... [2019-11-27 11:10:36,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a4f693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:36, skipping insertion in model container [2019-11-27 11:10:36,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:10:36" (1/1) ... [2019-11-27 11:10:36,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:10:36,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:10:44,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:10:45,102 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:10:46,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:10:49,348 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:10:49,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:49 WrapperNode [2019-11-27 11:10:49,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:10:49,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 11:10:49,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 11:10:49,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 11:10:49,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:49" (1/1) ... [2019-11-27 11:10:49,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:49" (1/1) ... [2019-11-27 11:10:50,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 11:10:50,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:10:50,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:10:50,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:10:50,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:49" (1/1) ... [2019-11-27 11:10:50,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:49" (1/1) ... [2019-11-27 11:10:50,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:49" (1/1) ... [2019-11-27 11:10:50,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:49" (1/1) ... [2019-11-27 11:10:51,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:49" (1/1) ... [2019-11-27 11:10:51,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:49" (1/1) ... [2019-11-27 11:10:51,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:49" (1/1) ... [2019-11-27 11:10:51,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:10:51,798 INFO L168 Benchmark]: Toolchain (without parser) took 15467.09 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 700.2 MB in the end (delta: 244.3 MB). Peak memory consumption was 244.4 MB. Max. memory is 12.5 GB. [2019-11-27 11:10:51,802 INFO L168 Benchmark]: CDTParser took 1.63 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 11:10:51,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 13019.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 875.3 MB in the end (delta: 69.2 MB). Peak memory consumption was 309.9 MB. Max. memory is 12.5 GB. [2019-11-27 11:10:51,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 1236.19 ms. Allocated memory is still 1.0 GB. Free memory was 875.3 MB in the beginning and 773.8 MB in the end (delta: 101.5 MB). Peak memory consumption was 101.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:10:51,811 INFO L168 Benchmark]: Boogie Preprocessor took 1200.67 ms. Allocated memory is still 1.0 GB. Free memory was 773.8 MB in the beginning and 700.2 MB in the end (delta: 73.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 12.5 GB. [2019-11-27 11:10:51,824 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.63 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 13019.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 875.3 MB in the end (delta: 69.2 MB). Peak memory consumption was 309.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1236.19 ms. Allocated memory is still 1.0 GB. Free memory was 875.3 MB in the beginning and 773.8 MB in the end (delta: 101.5 MB). Peak memory consumption was 101.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1200.67 ms. Allocated memory is still 1.0 GB. Free memory was 773.8 MB in the beginning and 700.2 MB in the end (delta: 73.6 MB). Peak memory consumption was 73.6 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 11:10:55,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:10:55,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:10:55,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:10:55,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:10:55,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:10:55,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:10:55,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:10:55,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:10:55,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:10:55,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:10:55,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:10:55,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:10:55,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:10:55,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:10:55,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:10:55,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:10:55,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:10:55,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:10:55,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:10:55,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:10:55,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:10:55,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:10:55,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:10:55,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:10:55,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:10:55,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:10:55,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:10:55,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:10:55,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:10:55,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:10:55,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:10:55,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:10:55,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:10:55,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:10:55,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:10:55,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:10:55,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:10:55,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:10:55,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:10:55,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:10:55,722 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-27 11:10:55,766 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:10:55,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:10:55,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:10:55,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:10:55,775 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:10:55,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:10:55,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:10:55,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 11:10:55,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:10:55,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 11:10:55,782 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:10:55,782 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:10:55,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 11:10:55,783 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:10:55,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 11:10:55,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:10:55,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:10:55,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:10:55,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:10:55,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:10:55,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:10:55,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:10:55,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 11:10:55,789 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:10:55,789 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:10:55,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 11:10:55,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:10:55,792 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-27 11:10:55,792 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 -> 54d29292265559f89a8a363835c95bffc56bf84b [2019-11-27 11:10:56,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:10:56,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:10:56,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:10:56,361 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:10:56,364 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:10:56,366 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-27 11:10:56,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b89390e98/eb7a5221cbca4339adf4ab6b14c81af2/FLAGc96ae7b18 [2019-11-27 11:10:58,542 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:10:58,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-27 11:10:58,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b89390e98/eb7a5221cbca4339adf4ab6b14c81af2/FLAGc96ae7b18 [2019-11-27 11:10:58,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b89390e98/eb7a5221cbca4339adf4ab6b14c81af2 [2019-11-27 11:10:58,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:10:58,741 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 11:10:58,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:10:58,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:10:58,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:10:58,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:10:58" (1/1) ... [2019-11-27 11:10:58,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5711e6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:58, skipping insertion in model container [2019-11-27 11:10:58,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:10:58" (1/1) ... [2019-11-27 11:10:58,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:10:59,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:11:08,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:11:08,286 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:11:09,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:11:12,665 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:11:12,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:11:12 WrapperNode [2019-11-27 11:11:12,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:11:12,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 11:11:12,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 11:11:12,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 11:11:12,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:11:12" (1/1) ... [2019-11-27 11:11:12,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:11:12" (1/1) ... [2019-11-27 11:11:13,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 11:11:13,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:11:13,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:11:13,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:11:13,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:11:12" (1/1) ... [2019-11-27 11:11:13,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:11:12" (1/1) ... [2019-11-27 11:11:13,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:11:12" (1/1) ... [2019-11-27 11:11:13,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:11:12" (1/1) ... [2019-11-27 11:11:14,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:11:12" (1/1) ... [2019-11-27 11:11:14,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:11:12" (1/1) ... [2019-11-27 11:11:14,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:11:12" (1/1) ... [2019-11-27 11:11:14,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:11:14,759 INFO L168 Benchmark]: Toolchain (without parser) took 16015.09 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 720.9 MB in the end (delta: 223.6 MB). Peak memory consumption was 223.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:11:14,763 INFO L168 Benchmark]: CDTParser took 0.37 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 11:11:14,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 13922.89 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 874.3 MB in the end (delta: 70.2 MB). Peak memory consumption was 310.2 MB. Max. memory is 12.5 GB. [2019-11-27 11:11:14,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 1045.34 ms. Allocated memory is still 1.0 GB. Free memory was 874.3 MB in the beginning and 794.9 MB in the end (delta: 79.4 MB). Peak memory consumption was 79.4 MB. Max. memory is 12.5 GB. [2019-11-27 11:11:14,772 INFO L168 Benchmark]: Boogie Preprocessor took 1038.44 ms. Allocated memory is still 1.0 GB. Free memory was 794.9 MB in the beginning and 720.9 MB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 12.5 GB. [2019-11-27 11:11:14,788 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 13922.89 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 874.3 MB in the end (delta: 70.2 MB). Peak memory consumption was 310.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1045.34 ms. Allocated memory is still 1.0 GB. Free memory was 874.3 MB in the beginning and 794.9 MB in the end (delta: 79.4 MB). Peak memory consumption was 79.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1038.44 ms. Allocated memory is still 1.0 GB. Free memory was 794.9 MB in the beginning and 720.9 MB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...