./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-media-common-saa7146-saa7146_vv.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-media-common-saa7146-saa7146_vv.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ce86015a8790fe78c3fa1e0817dad1e3ce7732b16cd3bc300a77723095c4573b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:51:52,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:51:52,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:51:52,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:51:52,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:51:52,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:51:52,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:51:52,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:51:52,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:51:52,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:51:52,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:51:52,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:51:52,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:51:52,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:51:52,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:51:52,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:51:52,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:51:52,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:51:52,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:51:52,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:51:52,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:51:52,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:51:52,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:51:52,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:51:52,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:51:52,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:51:52,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:51:52,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:51:52,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:51:52,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:51:52,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:51:52,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:51:52,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:51:52,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:51:52,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:51:52,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:51:52,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:51:52,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:51:52,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:51:52,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:51:52,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:51:52,513 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:51:52,535 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:51:52,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:51:52,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:51:52,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:51:52,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:51:52,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:51:52,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:51:52,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:51:52,538 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:51:52,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:51:52,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:51:52,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:51:52,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:51:52,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:51:52,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:51:52,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:51:52,540 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:51:52,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:51:52,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:51:52,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:51:52,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:51:52,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:51:52,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:51:52,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:51:52,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:51:52,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:51:52,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:51:52,541 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:51:52,541 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:51:52,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:51:52,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:51:52,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce86015a8790fe78c3fa1e0817dad1e3ce7732b16cd3bc300a77723095c4573b [2021-12-22 15:51:52,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:51:52,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:51:52,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:51:52,731 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:51:52,732 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:51:52,732 INFO L432 ainManager$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-media-common-saa7146-saa7146_vv.cil.i [2021-12-22 15:51:52,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daff9be76/0181230237704b2bb3016053757a239b/FLAGa461dbf58 [2021-12-22 15:51:53,415 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:51:53,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-12-22 15:51:53,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daff9be76/0181230237704b2bb3016053757a239b/FLAGa461dbf58 [2021-12-22 15:51:53,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daff9be76/0181230237704b2bb3016053757a239b [2021-12-22 15:51:53,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:51:53,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:51:53,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:51:53,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:51:53,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:51:53,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:51:53" (1/1) ... [2021-12-22 15:51:53,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3d436b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:53, skipping insertion in model container [2021-12-22 15:51:53,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:51:53" (1/1) ... [2021-12-22 15:51:53,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:51:53,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:51:56,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[509912,509925] [2021-12-22 15:51:56,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510081,510094] [2021-12-22 15:51:56,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510248,510261] [2021-12-22 15:51:56,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510416,510429] [2021-12-22 15:51:56,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:51:56,766 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:51:57,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[509912,509925] [2021-12-22 15:51:57,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510081,510094] [2021-12-22 15:51:57,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510248,510261] [2021-12-22 15:51:57,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510416,510429] [2021-12-22 15:51:57,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:51:57,373 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:51:57,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:57 WrapperNode [2021-12-22 15:51:57,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:51:57,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:51:57,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:51:57,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:51:57,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:57" (1/1) ... [2021-12-22 15:51:57,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:57" (1/1) ... [2021-12-22 15:51:57,736 INFO L137 Inliner]: procedures = 487, calls = 6591, calls flagged for inlining = 235, calls inlined = 218, statements flattened = 12096 [2021-12-22 15:51:57,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:51:57,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:51:57,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:51:57,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:51:57,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:57" (1/1) ... [2021-12-22 15:51:57,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:57" (1/1) ... [2021-12-22 15:51:57,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:57" (1/1) ... [2021-12-22 15:51:57,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:57" (1/1) ... [2021-12-22 15:51:58,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:57" (1/1) ... [2021-12-22 15:51:58,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:57" (1/1) ... [2021-12-22 15:51:58,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:57" (1/1) ... [2021-12-22 15:51:58,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:51:58,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:51:58,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:51:58,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:51:58,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:57" (1/1) ... [2021-12-22 15:51:58,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:51:58,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:51:58,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:51:58,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:51:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2021-12-22 15:51:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2021-12-22 15:51:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-12-22 15:51:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-12-22 15:51:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE___0 [2021-12-22 15:51:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE___0 [2021-12-22 15:51:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2021-12-22 15:51:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2021-12-22 15:51:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:51:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:51:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-12-22 15:51:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-12-22 15:51:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:51:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:51:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-12-22 15:51:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-12-22 15:51:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-12-22 15:51:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-12-22 15:51:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_window [2021-12-22 15:51:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_window [2021-12-22 15:51:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:51:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:51:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:51:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:51:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_get [2021-12-22 15:51:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_get [2021-12-22 15:51:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure video_end [2021-12-22 15:51:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure video_end [2021-12-22 15:51:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure arch_spin_is_locked [2021-12-22 15:51:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_spin_is_locked [2021-12-22 15:51:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2021-12-22 15:51:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2021-12-22 15:51:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-12-22 15:51:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-12-22 15:51:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2021-12-22 15:51:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2021-12-22 15:51:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_queue [2021-12-22 15:51:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_queue [2021-12-22 15:51:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure video_close [2021-12-22 15:51:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure video_close [2021-12-22 15:51:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_open [2021-12-22 15:51:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_open [2021-12-22 15:51:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59 [2021-12-22 15:51:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59 [2021-12-22 15:51:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2021-12-22 15:51:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2021-12-22 15:51:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2021-12-22 15:51:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2021-12-22 15:51:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_54 [2021-12-22 15:51:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_54 [2021-12-22 15:51:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:51:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:51:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-12-22 15:51:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-12-22 15:51:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:51:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:51:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_irq_done [2021-12-22 15:51:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_irq_done [2021-12-22 15:51:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-12-22 15:51:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-12-22 15:51:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-22 15:51:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-22 15:51:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:51:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:51:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-12-22 15:51:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-12-22 15:51:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:51:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:51:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-12-22 15:51:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-12-22 15:51:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:51:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_overlay [2021-12-22 15:51:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_overlay [2021-12-22 15:51:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2021-12-22 15:51:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2021-12-22 15:51:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_60 [2021-12-22 15:51:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_60 [2021-12-22 15:51:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure video_irq_done [2021-12-22 15:51:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure video_irq_done [2021-12-22 15:51:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-22 15:51:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-22 15:51:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_saa7146_dev [2021-12-22 15:51:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_saa7146_dev [2021-12-22 15:51:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_overlay [2021-12-22 15:51:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_overlay [2021-12-22 15:51:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-12-22 15:51:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-12-22 15:51:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-22 15:51:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-22 15:51:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:51:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:51:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure sort_and_eliminate [2021-12-22 15:51:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sort_and_eliminate [2021-12-22 15:51:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-12-22 15:51:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-12-22 15:51:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:51:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2021-12-22 15:51:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2021-12-22 15:51:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:51:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:51:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:51:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure fops_read [2021-12-22 15:51:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_read [2021-12-22 15:51:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:51:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:51:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure release_all_pagetables [2021-12-22 15:51:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure release_all_pagetables [2021-12-22 15:51:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_finish [2021-12-22 15:51:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_finish [2021-12-22 15:51:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_output_format [2021-12-22 15:51:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_output_format [2021-12-22 15:51:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2021-12-22 15:51:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2021-12-22 15:51:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 15:51:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 15:51:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_stop [2021-12-22 15:51:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_stop [2021-12-22 15:51:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_free [2021-12-22 15:51:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_free [2021-12-22 15:51:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-12-22 15:51:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-12-22 15:51:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fbuf [2021-12-22 15:51:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fbuf [2021-12-22 15:51:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:51:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:51:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2021-12-22 15:51:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2021-12-22 15:51:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:51:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:51:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:51:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-22 15:51:58,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-22 15:51:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-22 15:51:58,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-22 15:51:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-22 15:51:58,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-22 15:51:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-22 15:51:58,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-22 15:51:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2021-12-22 15:51:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2021-12-22 15:51:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2021-12-22 15:51:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2021-12-22 15:51:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:51:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_s_ctrl [2021-12-22 15:51:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_s_ctrl [2021-12-22 15:51:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:51:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:51:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:51:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:51:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:51:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:51:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2021-12-22 15:51:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2021-12-22 15:51:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-12-22 15:51:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-12-22 15:51:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:51:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:51:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2021-12-22 15:51:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2021-12-22 15:51:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:51:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:51:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-12-22 15:51:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-12-22 15:51:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure video_init [2021-12-22 15:51:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure video_init [2021-12-22 15:51:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_overlay [2021-12-22 15:51:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_overlay [2021-12-22 15:51:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vbi_cap [2021-12-22 15:51:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vbi_cap [2021-12-22 15:51:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-22 15:51:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-22 15:51:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:51:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:51:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-12-22 15:51:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-12-22 15:51:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure fops_mmap [2021-12-22 15:51:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_mmap [2021-12-22 15:51:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:51:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:51:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_disable_clipping [2021-12-22 15:51:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_disable_clipping [2021-12-22 15:51:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2021-12-22 15:51:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2021-12-22 15:51:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:51:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:51:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:51:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:51:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_stop_preview [2021-12-22 15:51:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_stop_preview [2021-12-22 15:51:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 15:51:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 15:51:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_int_slock_of_saa7146_dev [2021-12-22 15:51:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_int_slock_of_saa7146_dev [2021-12-22 15:51:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_saa7146_dev [2021-12-22 15:51:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_saa7146_dev [2021-12-22 15:51:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-22 15:51:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-22 15:51:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure video_begin [2021-12-22 15:51:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure video_begin [2021-12-22 15:51:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:51:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:51:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure fops_open [2021-12-22 15:51:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_open [2021-12-22 15:51:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_init [2021-12-22 15:51:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_init [2021-12-22 15:51:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:51:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:51:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fbuf [2021-12-22 15:51:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fbuf [2021-12-22 15:51:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-22 15:51:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-22 15:51:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-22 15:51:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-22 15:51:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:51:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:51:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:51:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:51:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2021-12-22 15:51:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2021-12-22 15:51:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-22 15:51:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-22 15:51:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:51:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-12-22 15:51:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-12-22 15:51:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 15:51:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 15:51:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 15:51:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 15:51:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:51:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:51:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:51:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:51:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-12-22 15:51:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-12-22 15:51:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 15:51:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 15:51:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-12-22 15:51:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-12-22 15:51:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_start_preview [2021-12-22 15:51:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_start_preview [2021-12-22 15:51:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2021-12-22 15:51:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2021-12-22 15:51:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure fops_release [2021-12-22 15:51:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_release [2021-12-22 15:51:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2021-12-22 15:51:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2021-12-22 15:51:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE___0 [2021-12-22 15:51:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE___0 [2021-12-22 15:51:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:51:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:51:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_write_out_dma [2021-12-22 15:51:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_write_out_dma [2021-12-22 15:51:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:51:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:51:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:51:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_format_by_fourcc [2021-12-22 15:51:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_format_by_fourcc [2021-12-22 15:51:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_dma_free [2021-12-22 15:51:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_dma_free [2021-12-22 15:51:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_next [2021-12-22 15:51:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_next [2021-12-22 15:51:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure program_capture_engine [2021-12-22 15:51:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure program_capture_engine [2021-12-22 15:51:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_close [2021-12-22 15:51:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_close [2021-12-22 15:51:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 15:51:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 15:51:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2021-12-22 15:51:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2021-12-22 15:51:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:51:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:51:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-22 15:51:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-22 15:51:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure fops_write [2021-12-22 15:51:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_write [2021-12-22 15:51:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_read [2021-12-22 15:51:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_read [2021-12-22 15:51:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:51:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:51:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure fops_poll [2021-12-22 15:51:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_poll [2021-12-22 15:51:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:51:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:51:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:51:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 15:51:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 15:51:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:51:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:51:59,681 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:51:59,683 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:52:00,016 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:53:02,622 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:53:02,685 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:53:02,713 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:53:02,713 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-22 15:53:02,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:53:02 BoogieIcfgContainer [2021-12-22 15:53:02,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:53:02,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:53:02,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:53:02,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:53:02,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:51:53" (1/3) ... [2021-12-22 15:53:02,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2725e914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:53:02, skipping insertion in model container [2021-12-22 15:53:02,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:57" (2/3) ... [2021-12-22 15:53:02,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2725e914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:53:02, skipping insertion in model container [2021-12-22 15:53:02,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:53:02" (3/3) ... [2021-12-22 15:53:02,725 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-12-22 15:53:02,734 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:53:02,734 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:53:02,785 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:53:02,794 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:53:02,794 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:53:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 3314 states, 2383 states have (on average 1.3445237096097356) internal successors, (3204), 2400 states have internal predecessors, (3204), 792 states have call successors, (792), 137 states have call predecessors, (792), 136 states have return successors, (783), 776 states have call predecessors, (783), 783 states have call successors, (783) [2021-12-22 15:53:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2021-12-22 15:53:02,859 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:02,859 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:53:02,860 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:53:02,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:02,864 INFO L85 PathProgramCache]: Analyzing trace with hash -942785079, now seen corresponding path program 1 times [2021-12-22 15:53:02,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:02,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103656528] [2021-12-22 15:53:02,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:02,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:03,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat