./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.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 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:46:16,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:46:16,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:46:16,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:46:16,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:46:16,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:46:16,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:46:16,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:46:16,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:46:16,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:46:16,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:46:16,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:46:16,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:46:16,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:46:16,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:46:16,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:46:16,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:46:16,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:46:16,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:46:16,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:46:16,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:46:16,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:46:16,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:46:16,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:46:16,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:46:16,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:46:16,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:46:16,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:46:16,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:46:16,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:46:16,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:46:16,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:46:16,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:46:16,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:46:16,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:46:16,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:46:16,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:46:16,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:46:16,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:46:16,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:46:16,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:46:16,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:46:16,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:46:16,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:46:16,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:46:16,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:46:16,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:46:16,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:46:16,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:46:16,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:46:16,205 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:46:16,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:46:16,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:46:16,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:46:16,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:46:16,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:46:16,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:46:16,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:46:16,207 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:46:16,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:46:16,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:46:16,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:46:16,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:46:16,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:46:16,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:46:16,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:46:16,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:46:16,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:46:16,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:46:16,210 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:46:16,210 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:46:16,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:46:16,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:46:16,210 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2021-12-14 18:46:16,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:46:16,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:46:16,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:46:16,385 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:46:16,391 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:46:16,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2021-12-14 18:46:16,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b8a9a035/87bdd1b2e5fe44bfa19fecf7ca497afc/FLAG99e66a8d9 [2021-12-14 18:46:17,144 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:46:17,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2021-12-14 18:46:17,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b8a9a035/87bdd1b2e5fe44bfa19fecf7ca497afc/FLAG99e66a8d9 [2021-12-14 18:46:17,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b8a9a035/87bdd1b2e5fe44bfa19fecf7ca497afc [2021-12-14 18:46:17,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:46:17,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:46:17,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:46:17,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:46:17,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:46:17,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:46:17" (1/1) ... [2021-12-14 18:46:17,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123be584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:17, skipping insertion in model container [2021-12-14 18:46:17,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:46:17" (1/1) ... [2021-12-14 18:46:17,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:46:17,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:46:19,313 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-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2021-12-14 18:46:19,315 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-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2021-12-14 18:46:19,315 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-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2021-12-14 18:46:19,315 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-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2021-12-14 18:46:19,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:46:19,340 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:46:19,742 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-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2021-12-14 18:46:19,743 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-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2021-12-14 18:46:19,743 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-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2021-12-14 18:46:19,743 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-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2021-12-14 18:46:19,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:46:19,834 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:46:19,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:19 WrapperNode [2021-12-14 18:46:19,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:46:19,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:46:19,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:46:19,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:46:19,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:19" (1/1) ... [2021-12-14 18:46:19,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:19" (1/1) ... [2021-12-14 18:46:20,305 INFO L137 Inliner]: procedures = 370, calls = 6116, calls flagged for inlining = 171, calls inlined = 146, statements flattened = 16408 [2021-12-14 18:46:20,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:46:20,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:46:20,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:46:20,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:46:20,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:19" (1/1) ... [2021-12-14 18:46:20,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:19" (1/1) ... [2021-12-14 18:46:20,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:19" (1/1) ... [2021-12-14 18:46:20,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:19" (1/1) ... [2021-12-14 18:46:20,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:19" (1/1) ... [2021-12-14 18:46:20,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:19" (1/1) ... [2021-12-14 18:46:20,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:19" (1/1) ... [2021-12-14 18:46:20,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:46:20,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:46:20,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:46:20,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:46:20,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:19" (1/1) ... [2021-12-14 18:46:20,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:46:20,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:46:20,872 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) [2021-12-14 18:46:20,915 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 [2021-12-14 18:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 18:46:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 18:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2021-12-14 18:46:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2021-12-14 18:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2021-12-14 18:46:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2021-12-14 18:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2021-12-14 18:46:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2021-12-14 18:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2021-12-14 18:46:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2021-12-14 18:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:46:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2021-12-14 18:46:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2021-12-14 18:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2021-12-14 18:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2021-12-14 18:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2021-12-14 18:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2021-12-14 18:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 18:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 18:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2021-12-14 18:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2021-12-14 18:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-14 18:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-14 18:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2021-12-14 18:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2021-12-14 18:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2021-12-14 18:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2021-12-14 18:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2021-12-14 18:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2021-12-14 18:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2021-12-14 18:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2021-12-14 18:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2021-12-14 18:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2021-12-14 18:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2021-12-14 18:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2021-12-14 18:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2021-12-14 18:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2021-12-14 18:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 18:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 18:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2021-12-14 18:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2021-12-14 18:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2021-12-14 18:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2021-12-14 18:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-14 18:46:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-14 18:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:46:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:46:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2021-12-14 18:46:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2021-12-14 18:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:46:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2021-12-14 18:46:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2021-12-14 18:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:46:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-12-14 18:46:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-12-14 18:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-14 18:46:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-14 18:46:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:46:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:46:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-14 18:46:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-14 18:46:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:46:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:46:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2021-12-14 18:46:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2021-12-14 18:46:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2021-12-14 18:46:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2021-12-14 18:46:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2021-12-14 18:46:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2021-12-14 18:46:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2021-12-14 18:46:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2021-12-14 18:46:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:46:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:46:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-14 18:46:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-14 18:46:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 18:46:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 18:46:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2021-12-14 18:46:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2021-12-14 18:46:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:46:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:46:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2021-12-14 18:46:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2021-12-14 18:46:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:46:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:46:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2021-12-14 18:46:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2021-12-14 18:46:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2021-12-14 18:46:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2021-12-14 18:46:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-14 18:46:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-14 18:46:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2021-12-14 18:46:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2021-12-14 18:46:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:46:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2021-12-14 18:46:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2021-12-14 18:46:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2021-12-14 18:46:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2021-12-14 18:46:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2021-12-14 18:46:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2021-12-14 18:46:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:46:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2021-12-14 18:46:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2021-12-14 18:46:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:46:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:46:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2021-12-14 18:46:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2021-12-14 18:46:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:46:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-14 18:46:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-14 18:46:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2021-12-14 18:46:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2021-12-14 18:46:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-12-14 18:46:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-12-14 18:46:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2021-12-14 18:46:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2021-12-14 18:46:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:46:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:46:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2021-12-14 18:46:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2021-12-14 18:46:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2021-12-14 18:46:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2021-12-14 18:46:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2021-12-14 18:46:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2021-12-14 18:46:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2021-12-14 18:46:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2021-12-14 18:46:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2021-12-14 18:46:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2021-12-14 18:46:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2021-12-14 18:46:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2021-12-14 18:46:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2021-12-14 18:46:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2021-12-14 18:46:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-14 18:46:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-14 18:46:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2021-12-14 18:46:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2021-12-14 18:46:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2021-12-14 18:46:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2021-12-14 18:46:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2021-12-14 18:46:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2021-12-14 18:46:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2021-12-14 18:46:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2021-12-14 18:46:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:46:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2021-12-14 18:46:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2021-12-14 18:46:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2021-12-14 18:46:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2021-12-14 18:46:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2021-12-14 18:46:20,961 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2021-12-14 18:46:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2021-12-14 18:46:20,961 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2021-12-14 18:46:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2021-12-14 18:46:20,961 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2021-12-14 18:46:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-12-14 18:46:20,961 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-12-14 18:46:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2021-12-14 18:46:20,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2021-12-14 18:46:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2021-12-14 18:46:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2021-12-14 18:46:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2021-12-14 18:46:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2021-12-14 18:46:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2021-12-14 18:46:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2021-12-14 18:46:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2021-12-14 18:46:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2021-12-14 18:46:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2021-12-14 18:46:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2021-12-14 18:46:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2021-12-14 18:46:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2021-12-14 18:46:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2021-12-14 18:46:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2021-12-14 18:46:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:46:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2021-12-14 18:46:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2021-12-14 18:46:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:46:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:46:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:46:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:46:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:46:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:46:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:46:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2021-12-14 18:46:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2021-12-14 18:46:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2021-12-14 18:46:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2021-12-14 18:46:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2021-12-14 18:46:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2021-12-14 18:46:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2021-12-14 18:46:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2021-12-14 18:46:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2021-12-14 18:46:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2021-12-14 18:46:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2021-12-14 18:46:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2021-12-14 18:46:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2021-12-14 18:46:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2021-12-14 18:46:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2021-12-14 18:46:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2021-12-14 18:46:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:46:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:46:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2021-12-14 18:46:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2021-12-14 18:46:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-14 18:46:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-14 18:46:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2021-12-14 18:46:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2021-12-14 18:46:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:46:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:46:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-14 18:46:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-14 18:46:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2021-12-14 18:46:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2021-12-14 18:46:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2021-12-14 18:46:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2021-12-14 18:46:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:46:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:46:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2021-12-14 18:46:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2021-12-14 18:46:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 18:46:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 18:46:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2021-12-14 18:46:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2021-12-14 18:46:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2021-12-14 18:46:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2021-12-14 18:46:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:46:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2021-12-14 18:46:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2021-12-14 18:46:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-14 18:46:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-14 18:46:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:46:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:46:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-14 18:46:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-14 18:46:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2021-12-14 18:46:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2021-12-14 18:46:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:46:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:46:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2021-12-14 18:46:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2021-12-14 18:46:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2021-12-14 18:46:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2021-12-14 18:46:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2021-12-14 18:46:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2021-12-14 18:46:21,883 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:46:21,885 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:46:22,144 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:47:22,603 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:47:22,639 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:47:22,640 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 18:47:22,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:47:22 BoogieIcfgContainer [2021-12-14 18:47:22,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:47:22,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:47:22,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:47:22,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:47:22,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:46:17" (1/3) ... [2021-12-14 18:47:22,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6975e679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:47:22, skipping insertion in model container [2021-12-14 18:47:22,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:19" (2/3) ... [2021-12-14 18:47:22,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6975e679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:47:22, skipping insertion in model container [2021-12-14 18:47:22,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:47:22" (3/3) ... [2021-12-14 18:47:22,655 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2021-12-14 18:47:22,662 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:47:22,662 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:47:22,725 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:47:22,736 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 [2021-12-14 18:47:22,736 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:47:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 8449 states, 4846 states have (on average 1.1568303755674783) internal successors, (5606), 4873 states have internal predecessors, (5606), 3481 states have call successors, (3481), 119 states have call predecessors, (3481), 118 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) [2021-12-14 18:47:22,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-14 18:47:22,859 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:47:22,860 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 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] [2021-12-14 18:47:22,860 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:47:22,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:47:22,867 INFO L85 PathProgramCache]: Analyzing trace with hash -2030594725, now seen corresponding path program 1 times [2021-12-14 18:47:22,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:47:22,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485940711] [2021-12-14 18:47:22,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:47:22,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:47:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:23,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:47:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:23,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 18:47:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:23,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 18:47:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:23,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:47:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:23,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 18:47:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 18:47:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:23,637 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-14 18:47:23,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:47:23,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485940711] [2021-12-14 18:47:23,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485940711] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:47:23,641 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:47:23,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:47:23,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526682972] [2021-12-14 18:47:23,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:47:23,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:47:23,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:47:23,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:47:23,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:47:23,698 INFO L87 Difference]: Start difference. First operand has 8449 states, 4846 states have (on average 1.1568303755674783) internal successors, (5606), 4873 states have internal predecessors, (5606), 3481 states have call successors, (3481), 119 states have call predecessors, (3481), 118 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-14 18:47:24,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:47:24,519 INFO L93 Difference]: Finished difference Result 16874 states and 25149 transitions. [2021-12-14 18:47:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 18:47:24,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2021-12-14 18:47:24,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:47:24,609 INFO L225 Difference]: With dead ends: 16874 [2021-12-14 18:47:24,610 INFO L226 Difference]: Without dead ends: 8441 [2021-12-14 18:47:24,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:47:24,677 INFO L933 BasicCegarLoop]: 12551 mSDtfsCounter, 12536 mSDsluCounter, 25095 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12542 SdHoareTripleChecker+Valid, 37646 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:47:24,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12542 Valid, 37646 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-14 18:47:24,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2021-12-14 18:47:27,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 8441. [2021-12-14 18:47:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8441 states, 4842 states have (on average 1.1551011978521273) internal successors, (5593), 4868 states have internal predecessors, (5593), 3478 states have call successors, (3478), 119 states have call predecessors, (3478), 118 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2021-12-14 18:47:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8441 states to 8441 states and 12546 transitions. [2021-12-14 18:47:27,784 INFO L78 Accepts]: Start accepts. Automaton has 8441 states and 12546 transitions. Word has length 48 [2021-12-14 18:47:27,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:47:27,786 INFO L470 AbstractCegarLoop]: Abstraction has 8441 states and 12546 transitions. [2021-12-14 18:47:27,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-14 18:47:27,787 INFO L276 IsEmpty]: Start isEmpty. Operand 8441 states and 12546 transitions. [2021-12-14 18:47:27,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-14 18:47:27,789 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:47:27,790 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 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] [2021-12-14 18:47:27,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:47:27,790 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:47:27,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:47:27,791 INFO L85 PathProgramCache]: Analyzing trace with hash 283534717, now seen corresponding path program 1 times [2021-12-14 18:47:27,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:47:27,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305529556] [2021-12-14 18:47:27,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:47:27,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:47:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:28,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:47:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 18:47:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:28,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 18:47:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:28,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:47:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:28,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 18:47:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:28,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 18:47:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:28,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 18:47:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:47:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-14 18:47:28,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:47:28,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305529556] [2021-12-14 18:47:28,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305529556] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:47:28,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:47:28,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:47:28,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202887364] [2021-12-14 18:47:28,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:47:28,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:47:28,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:47:28,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:47:28,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:47:28,110 INFO L87 Difference]: Start difference. First operand 8441 states and 12546 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)