./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47b0bc17 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-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.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 93f37c06fc5b5a931dfbc39c36a8a276d3497dd0 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 23:39:59,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:39:59,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:39:59,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:39:59,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:39:59,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:39:59,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:39:59,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:39:59,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:39:59,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:39:59,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:39:59,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:39:59,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:39:59,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:39:59,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:39:59,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:39:59,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:39:59,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:39:59,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:39:59,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:39:59,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:39:59,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:39:59,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:39:59,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:39:59,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:39:59,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:39:59,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:39:59,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:39:59,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:39:59,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:39:59,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:39:59,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:39:59,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:39:59,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:39:59,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:39:59,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:39:59,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:39:59,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:39:59,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:39:59,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:39:59,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:39:59,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-20 23:39:59,872 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:39:59,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:39:59,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:39:59,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:39:59,880 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:39:59,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:39:59,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:39:59,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:39:59,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 23:39:59,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:39:59,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 23:39:59,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 23:39:59,886 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:39:59,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 23:39:59,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:39:59,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:39:59,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:39:59,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:39:59,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:39:59,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:39:59,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:39:59,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 23:39:59,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 23:39:59,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 23:39:59,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 23:39:59,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:39:59,894 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 -> 93f37c06fc5b5a931dfbc39c36a8a276d3497dd0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:40:00,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:40:00,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:40:00,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:40:00,586 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:40:00,587 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:40:00,589 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i [2019-11-20 23:40:00,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c3ad387d/91b946cdfe674b1abcfc4745d3f5ccfd/FLAG8ed40d93e [2019-11-20 23:40:03,653 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:40:03,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i [2019-11-20 23:40:03,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c3ad387d/91b946cdfe674b1abcfc4745d3f5ccfd/FLAG8ed40d93e [2019-11-20 23:40:03,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c3ad387d/91b946cdfe674b1abcfc4745d3f5ccfd [2019-11-20 23:40:03,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:40:03,949 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 23:40:03,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:40:03,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:40:03,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:40:03,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:40:03" (1/1) ... [2019-11-20 23:40:03,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c0600dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:03, skipping insertion in model container [2019-11-20 23:40:03,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:40:03" (1/1) ... [2019-11-20 23:40:03,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:40:04,776 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:40:28,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:40:28,402 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:40:32,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:40:36,494 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:40:36,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:36 WrapperNode [2019-11-20 23:40:36,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:40:36,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 23:40:36,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 23:40:36,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 23:40:36,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:36" (1/1) ... [2019-11-20 23:40:36,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:36" (1/1) ... [2019-11-20 23:40:40,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 23:40:40,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:40:40,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:40:40,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:40:40,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:36" (1/1) ... [2019-11-20 23:40:40,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:36" (1/1) ... [2019-11-20 23:40:41,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:36" (1/1) ... [2019-11-20 23:40:41,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:36" (1/1) ... [2019-11-20 23:40:44,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:36" (1/1) ... [2019-11-20 23:40:45,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:36" (1/1) ... [2019-11-20 23:40:45,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:40:36" (1/1) ... [2019-11-20 23:40:46,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:40:46,570 INFO L168 Benchmark]: Toolchain (without parser) took 42617.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 925.8 MB in the beginning and 457.0 MB in the end (delta: 468.8 MB). Peak memory consumption was 596.8 MB. Max. memory is 12.5 GB. [2019-11-20 23:40:46,571 INFO L168 Benchmark]: CDTParser took 3.51 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. [2019-11-20 23:40:46,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 32529.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 925.8 MB in the beginning and 695.7 MB in the end (delta: 230.0 MB). Peak memory consumption was 379.6 MB. Max. memory is 12.5 GB. [2019-11-20 23:40:46,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 4454.20 ms. Allocated memory is still 1.0 GB. Free memory was 695.7 MB in the beginning and 656.3 MB in the end (delta: 39.5 MB). Peak memory consumption was 245.6 MB. Max. memory is 12.5 GB. [2019-11-20 23:40:46,584 INFO L168 Benchmark]: Boogie Preprocessor took 5608.88 ms. Allocated memory is still 1.0 GB. Free memory was 656.3 MB in the beginning and 457.0 MB in the end (delta: 199.3 MB). Peak memory consumption was 327.2 MB. Max. memory is 12.5 GB. [2019-11-20 23:40:46,594 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.51 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 32529.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 925.8 MB in the beginning and 695.7 MB in the end (delta: 230.0 MB). Peak memory consumption was 379.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 4454.20 ms. Allocated memory is still 1.0 GB. Free memory was 695.7 MB in the beginning and 656.3 MB in the end (delta: 39.5 MB). Peak memory consumption was 245.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 5608.88 ms. Allocated memory is still 1.0 GB. Free memory was 656.3 MB in the beginning and 457.0 MB in the end (delta: 199.3 MB). Peak memory consumption was 327.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...