./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.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 f6012e8ec841b08462bbd246c354a43139de7ccb42d1c6282a50e12dbc313f31 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:41:42,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:41:42,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:41:42,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:41:42,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:41:42,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:41:42,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:41:42,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:41:42,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:41:42,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:41:42,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:41:42,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:41:42,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:41:42,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:41:42,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:41:42,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:41:42,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:41:42,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:41:42,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:41:42,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:41:42,416 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:41:42,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:41:42,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:41:42,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:41:42,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:41:42,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:41:42,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:41:42,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:41:42,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:41:42,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:41:42,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:41:42,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:41:42,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:41:42,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:41:42,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:41:42,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:41:42,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:41:42,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:41:42,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:41:42,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:41:42,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:41:42,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:41:42,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:41:42,461 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:41:42,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:41:42,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:41:42,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:41:42,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:41:42,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:41:42,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:41:42,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:41:42,464 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:41:42,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:41:42,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:41:42,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:41:42,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:41:42,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:41:42,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:41:42,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:41:42,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:41:42,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:41:42,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:41:42,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:41:42,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:41:42,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:41:42,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:41:42,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:41:42,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:41:42,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:41:42,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:41:42,469 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:41:42,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:41:42,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:41:42,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6012e8ec841b08462bbd246c354a43139de7ccb42d1c6282a50e12dbc313f31 [2022-07-14 02:41:42,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:41:42,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:41:42,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:41:42,750 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:41:42,750 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:41:42,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2022-07-14 02:41:42,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f44054efd/ecb0cc500dce4059a239f5f441183a27/FLAGff345809c [2022-07-14 02:41:43,521 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:41:43,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2022-07-14 02:41:43,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f44054efd/ecb0cc500dce4059a239f5f441183a27/FLAGff345809c [2022-07-14 02:41:43,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f44054efd/ecb0cc500dce4059a239f5f441183a27 [2022-07-14 02:41:43,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:41:43,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:41:43,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:41:43,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:41:43,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:41:43,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:41:43" (1/1) ... [2022-07-14 02:41:43,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346c3985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:43, skipping insertion in model container [2022-07-14 02:41:43,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:41:43" (1/1) ... [2022-07-14 02:41:43,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:41:43,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:41:46,425 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_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314540,314553] [2022-07-14 02:41:46,428 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_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314706,314719] [2022-07-14 02:41:46,429 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_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314870,314883] [2022-07-14 02:41:46,429 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_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[315035,315048] [2022-07-14 02:41:46,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:41:46,508 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:41:46,780 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_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314540,314553] [2022-07-14 02:41:46,781 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_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314706,314719] [2022-07-14 02:41:46,781 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_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314870,314883] [2022-07-14 02:41:46,781 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_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[315035,315048] [2022-07-14 02:41:46,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:41:46,960 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:41:46,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:46 WrapperNode [2022-07-14 02:41:46,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:41:46,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:41:46,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:41:46,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:41:46,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:46" (1/1) ... [2022-07-14 02:41:47,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:46" (1/1) ... [2022-07-14 02:41:47,227 INFO L137 Inliner]: procedures = 386, calls = 2493, calls flagged for inlining = 198, calls inlined = 148, statements flattened = 4955 [2022-07-14 02:41:47,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:41:47,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:41:47,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:41:47,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:41:47,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:46" (1/1) ... [2022-07-14 02:41:47,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:46" (1/1) ... [2022-07-14 02:41:47,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:46" (1/1) ... [2022-07-14 02:41:47,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:46" (1/1) ... [2022-07-14 02:41:47,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:46" (1/1) ... [2022-07-14 02:41:47,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:46" (1/1) ... [2022-07-14 02:41:47,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:46" (1/1) ... [2022-07-14 02:41:47,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:41:47,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:41:47,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:41:47,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:41:47,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:46" (1/1) ... [2022-07-14 02:41:47,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:41:47,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:41:47,476 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) [2022-07-14 02:41:47,482 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 [2022-07-14 02:41:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 02:41:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 02:41:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:41:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:41:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-14 02:41:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-14 02:41:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:41:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:41:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 02:41:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 02:41:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_stereo_mono [2022-07-14 02:41:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_stereo_mono [2022-07-14 02:41:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 02:41:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 02:41:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_len [2022-07-14 02:41:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_len [2022-07-14 02:41:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-14 02:41:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-14 02:41:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 02:41:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 02:41:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 02:41:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 02:41:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-14 02:41:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-14 02:41:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:41:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:41:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 02:41:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 02:41:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 02:41:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 02:41:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:41:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-14 02:41:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-14 02:41:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure st_unregister [2022-07-14 02:41:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure st_unregister [2022-07-14 02:41:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 02:41:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-14 02:41:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-14 02:41:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 02:41:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 02:41:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 02:41:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 02:41:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 02:41:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 02:41:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_fmdev [2022-07-14 02:41:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_fmdev [2022-07-14 02:41:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_release [2022-07-14 02:41:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_release [2022-07-14 02:41:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:41:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:41:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_fmdev [2022-07-14 02:41:47,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_fmdev [2022-07-14 02:41:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 02:41:47,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 02:41:47,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 02:41:47,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 02:41:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_rds_mode [2022-07-14 02:41:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_rds_mode [2022-07-14 02:41:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-14 02:41:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-14 02:41:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2022-07-14 02:41:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2022-07-14 02:41:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_rds_mode [2022-07-14 02:41:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_rds_mode [2022-07-14 02:41:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:41:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 02:41:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 02:41:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 02:41:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 02:41:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 02:41:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 02:41:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-14 02:41:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-14 02:41:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:41:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 02:41:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 02:41:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:41:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-14 02:41:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-14 02:41:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-14 02:41:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-14 02:41:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_preemph_filter [2022-07-14 02:41:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_preemph_filter [2022-07-14 02:41:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-14 02:41:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-14 02:41:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 02:41:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 02:41:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 02:41:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 02:41:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 02:41:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 02:41:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure fm_g_volatile_ctrl [2022-07-14 02:41:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_g_volatile_ctrl [2022-07-14 02:41:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:41:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:41:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-14 02:41:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-14 02:41:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 02:41:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 02:41:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure fm_config_rx_mute_reg [2022-07-14 02:41:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_config_rx_mute_reg [2022-07-14 02:41:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-14 02:41:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-14 02:41:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:41:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:41:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_data_mode [2022-07-14 02:41:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_data_mode [2022-07-14 02:41:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:41:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:41:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_pwr_lvl [2022-07-14 02:41:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_pwr_lvl [2022-07-14 02:41:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-14 02:41:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-14 02:41:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_prepare [2022-07-14 02:41:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_prepare [2022-07-14 02:41:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_send_cmd [2022-07-14 02:41:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_send_cmd [2022-07-14 02:41:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-14 02:41:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-14 02:41:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure fm_send_cmd [2022-07-14 02:41:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_send_cmd [2022-07-14 02:41:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 02:41:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 02:41:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:41:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:41:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call_stage [2022-07-14 02:41:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call_stage [2022-07-14 02:41:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-14 02:41:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-14 02:41:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-07-14 02:41:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-07-14 02:41:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:41:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2022-07-14 02:41:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2022-07-14 02:41:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:41:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_rds_cache [2022-07-14 02:41:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_rds_cache [2022-07-14 02:41:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_station_info [2022-07-14 02:41:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_station_info [2022-07-14 02:41:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_s_ctrl [2022-07-14 02:41:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_s_ctrl [2022-07-14 02:41:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:41:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 02:41:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 02:41:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2022-07-14 02:41:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2022-07-14 02:41:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure enable_xmit [2022-07-14 02:41:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_xmit [2022-07-14 02:41:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-14 02:41:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-14 02:41:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_volume [2022-07-14 02:41:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_volume [2022-07-14 02:41:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 02:41:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 02:41:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 02:41:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 02:41:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 02:41:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 02:41:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 02:41:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 02:41:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 02:41:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 02:41:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2022-07-14 02:41:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2022-07-14 02:41:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_text [2022-07-14 02:41:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_text [2022-07-14 02:41:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-14 02:41:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-14 02:41:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_release [2022-07-14 02:41:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_release [2022-07-14 02:41:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 02:41:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 02:41:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 02:41:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 02:41:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 02:41:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 02:41:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 02:41:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 02:41:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-14 02:41:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-14 02:41:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 02:41:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-14 02:41:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-14 02:41:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:41:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:41:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_open [2022-07-14 02:41:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_open [2022-07-14 02:41:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 02:41:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 02:41:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_freq [2022-07-14 02:41:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_freq [2022-07-14 02:41:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_mode [2022-07-14 02:41:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_mode [2022-07-14 02:41:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_write [2022-07-14 02:41:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_write [2022-07-14 02:41:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 02:41:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 02:41:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call [2022-07-14 02:41:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call [2022-07-14 02:41:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 02:41:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 02:41:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-14 02:41:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-14 02:41:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure fm_power_down [2022-07-14 02:41:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_power_down [2022-07-14 02:41:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure fm_download_firmware [2022-07-14 02:41:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_download_firmware [2022-07-14 02:41:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 02:41:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 02:41:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 02:41:48,294 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:41:48,297 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:41:48,458 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:41:50,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 02:41:50,954 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:41:50,966 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:41:50,966 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 02:41:50,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:41:50 BoogieIcfgContainer [2022-07-14 02:41:50,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:41:50,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:41:50,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:41:50,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:41:50,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:41:43" (1/3) ... [2022-07-14 02:41:50,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3f727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:41:50, skipping insertion in model container [2022-07-14 02:41:50,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:46" (2/3) ... [2022-07-14 02:41:50,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3f727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:41:50, skipping insertion in model container [2022-07-14 02:41:50,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:41:50" (3/3) ... [2022-07-14 02:41:50,976 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2022-07-14 02:41:50,985 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:41:50,986 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 02:41:51,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:41:51,038 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@66b5283, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3b16822 [2022-07-14 02:41:51,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 02:41:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 1725 states, 1204 states have (on average 1.3222591362126246) internal successors, (1592), 1220 states have internal predecessors, (1592), 422 states have call successors, (422), 97 states have call predecessors, (422), 96 states have return successors, (415), 412 states have call predecessors, (415), 415 states have call successors, (415) [2022-07-14 02:41:51,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-14 02:41:51,080 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:41:51,081 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2022-07-14 02:41:51,081 INFO L420 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)] === [2022-07-14 02:41:51,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:41:51,085 INFO L85 PathProgramCache]: Analyzing trace with hash -800404450, now seen corresponding path program 1 times [2022-07-14 02:41:51,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:41:51,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246772944] [2022-07-14 02:41:51,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:41:51,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:41:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:51,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:41:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:51,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:51,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:41:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:51,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:51,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:41:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:51,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:51,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:41:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:51,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:51,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:41:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:51,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:51,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:41:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:51,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:51,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:41:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:41:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:41:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:41:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:41:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:41:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:41:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:41:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:41:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:41:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:41:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:41:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:41:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:41:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 02:41:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-07-14 02:41:52,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:41:52,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246772944] [2022-07-14 02:41:52,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246772944] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:41:52,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:41:52,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:41:52,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837190177] [2022-07-14 02:41:52,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:41:52,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:41:52,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:41:52,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:41:52,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:41:52,248 INFO L87 Difference]: Start difference. First operand has 1725 states, 1204 states have (on average 1.3222591362126246) internal successors, (1592), 1220 states have internal predecessors, (1592), 422 states have call successors, (422), 97 states have call predecessors, (422), 96 states have return successors, (415), 412 states have call predecessors, (415), 415 states have call successors, (415) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-14 02:41:54,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:41:54,792 INFO L93 Difference]: Finished difference Result 5086 states and 7307 transitions. [2022-07-14 02:41:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:41:54,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2022-07-14 02:41:54,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:41:54,831 INFO L225 Difference]: With dead ends: 5086 [2022-07-14 02:41:54,832 INFO L226 Difference]: Without dead ends: 3393 [2022-07-14 02:41:54,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:41:54,852 INFO L413 NwaCegarLoop]: 2687 mSDtfsCounter, 2787 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 956 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3034 SdHoareTripleChecker+Valid, 5778 SdHoareTripleChecker+Invalid, 2303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 956 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:41:54,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3034 Valid, 5778 Invalid, 2303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [956 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-14 02:41:54,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3393 states. [2022-07-14 02:41:55,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3393 to 3207. [2022-07-14 02:41:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3207 states, 2262 states have (on average 1.3191865605658708) internal successors, (2984), 2292 states have internal predecessors, (2984), 759 states have call successors, (759), 184 states have call predecessors, (759), 183 states have return successors, (755), 749 states have call predecessors, (755), 755 states have call successors, (755) [2022-07-14 02:41:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 4498 transitions. [2022-07-14 02:41:55,128 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 4498 transitions. Word has length 241 [2022-07-14 02:41:55,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:41:55,129 INFO L495 AbstractCegarLoop]: Abstraction has 3207 states and 4498 transitions. [2022-07-14 02:41:55,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-14 02:41:55,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 4498 transitions. [2022-07-14 02:41:55,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-14 02:41:55,135 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:41:55,135 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 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] [2022-07-14 02:41:55,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 02:41:55,136 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-07-14 02:41:55,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:41:55,137 INFO L85 PathProgramCache]: Analyzing trace with hash -2098047584, now seen corresponding path program 1 times [2022-07-14 02:41:55,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:41:55,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138719859] [2022-07-14 02:41:55,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:41:55,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:41:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:41:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:41:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:41:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:41:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:41:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:41:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:41:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:41:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:41:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:41:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:41:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:41:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:41:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:41:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:41:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:41:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:41:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:41:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:41:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:41:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 02:41:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 02:41:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2022-07-14 02:41:55,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:41:55,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138719859] [2022-07-14 02:41:55,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138719859] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:41:55,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:41:55,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:41:55,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229459831] [2022-07-14 02:41:55,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:41:55,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:41:55,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:41:55,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:41:55,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:41:55,628 INFO L87 Difference]: Start difference. First operand 3207 states and 4498 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 02:41:58,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:41:58,067 INFO L93 Difference]: Finished difference Result 7235 states and 10070 transitions. [2022-07-14 02:41:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:41:58,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 269 [2022-07-14 02:41:58,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:41:58,106 INFO L225 Difference]: With dead ends: 7235 [2022-07-14 02:41:58,106 INFO L226 Difference]: Without dead ends: 4071 [2022-07-14 02:41:58,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:41:58,125 INFO L413 NwaCegarLoop]: 2661 mSDtfsCounter, 1999 mSDsluCounter, 3135 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 850 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2193 SdHoareTripleChecker+Valid, 5796 SdHoareTripleChecker+Invalid, 2242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 850 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:41:58,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2193 Valid, 5796 Invalid, 2242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [850 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-14 02:41:58,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4071 states. [2022-07-14 02:41:58,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4071 to 3772. [2022-07-14 02:41:58,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3772 states, 2621 states have (on average 1.2926363983212514) internal successors, (3388), 2665 states have internal predecessors, (3388), 877 states have call successors, (877), 272 states have call predecessors, (877), 271 states have return successors, (873), 859 states have call predecessors, (873), 873 states have call successors, (873) [2022-07-14 02:41:58,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3772 states to 3772 states and 5138 transitions. [2022-07-14 02:41:58,274 INFO L78 Accepts]: Start accepts. Automaton has 3772 states and 5138 transitions. Word has length 269 [2022-07-14 02:41:58,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:41:58,275 INFO L495 AbstractCegarLoop]: Abstraction has 3772 states and 5138 transitions. [2022-07-14 02:41:58,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 02:41:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 3772 states and 5138 transitions. [2022-07-14 02:41:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-07-14 02:41:58,280 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:41:58,280 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 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] [2022-07-14 02:41:58,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 02:41:58,281 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-07-14 02:41:58,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:41:58,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2033630157, now seen corresponding path program 1 times [2022-07-14 02:41:58,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:41:58,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440256837] [2022-07-14 02:41:58,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:41:58,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:41:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:41:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:41:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:41:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:41:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:41:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:41:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:41:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:41:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:41:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:41:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:41:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:41:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:41:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:41:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:41:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:41:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:41:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:41:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:41:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:41:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-14 02:41:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 02:41:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-14 02:41:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:41:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 02:41:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:41:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2022-07-14 02:41:58,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:41:58,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440256837] [2022-07-14 02:41:58,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440256837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:41:58,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:41:58,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:41:58,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78108019] [2022-07-14 02:41:58,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:41:58,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:41:58,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:41:58,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:41:58,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:41:58,922 INFO L87 Difference]: Start difference. First operand 3772 states and 5138 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-14 02:42:01,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:42:01,387 INFO L93 Difference]: Finished difference Result 6875 states and 9380 transitions. [2022-07-14 02:42:01,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:42:01,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 295 [2022-07-14 02:42:01,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:42:01,403 INFO L225 Difference]: With dead ends: 6875 [2022-07-14 02:42:01,404 INFO L226 Difference]: Without dead ends: 3146 [2022-07-14 02:42:01,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:42:01,416 INFO L413 NwaCegarLoop]: 2019 mSDtfsCounter, 4347 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 1630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4655 SdHoareTripleChecker+Valid, 3694 SdHoareTripleChecker+Invalid, 3261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1630 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:42:01,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4655 Valid, 3694 Invalid, 3261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1630 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-14 02:42:01,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3146 states. [2022-07-14 02:42:01,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3146 to 2925. [2022-07-14 02:42:01,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2061 states have (on average 1.284813197476953) internal successors, (2648), 2076 states have internal predecessors, (2648), 650 states have call successors, (650), 212 states have call predecessors, (650), 211 states have return successors, (646), 641 states have call predecessors, (646), 646 states have call successors, (646) [2022-07-14 02:42:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 3944 transitions. [2022-07-14 02:42:01,502 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 3944 transitions. Word has length 295 [2022-07-14 02:42:01,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:42:01,502 INFO L495 AbstractCegarLoop]: Abstraction has 2925 states and 3944 transitions. [2022-07-14 02:42:01,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-14 02:42:01,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 3944 transitions. [2022-07-14 02:42:01,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-14 02:42:01,508 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:42:01,508 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2022-07-14 02:42:01,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 02:42:01,508 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2022-07-14 02:42:01,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:42:01,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1430313412, now seen corresponding path program 1 times [2022-07-14 02:42:01,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:42:01,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952449784] [2022-07-14 02:42:01,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:42:01,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:42:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:42:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:42:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:42:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:42:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:42:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:42:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:42:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:42:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:42:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:42:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:42:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:42:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:42:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:42:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:42:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:42:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:42:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:42:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:42:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:42:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:42:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:42:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:42:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:42:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:42:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 02:42:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:01,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2022-07-14 02:42:01,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:42:01,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952449784] [2022-07-14 02:42:01,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952449784] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:42:01,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:42:01,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:42:01,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719895865] [2022-07-14 02:42:01,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:42:01,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:42:01,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:42:01,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:42:01,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:42:01,956 INFO L87 Difference]: Start difference. First operand 2925 states and 3944 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-14 02:42:04,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:42:04,689 INFO L93 Difference]: Finished difference Result 7682 states and 10572 transitions. [2022-07-14 02:42:04,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:42:04,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 302 [2022-07-14 02:42:04,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:42:04,712 INFO L225 Difference]: With dead ends: 7682 [2022-07-14 02:42:04,712 INFO L226 Difference]: Without dead ends: 5344 [2022-07-14 02:42:04,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:42:04,720 INFO L413 NwaCegarLoop]: 3997 mSDtfsCounter, 2502 mSDsluCounter, 3841 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 1030 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2714 SdHoareTripleChecker+Valid, 7838 SdHoareTripleChecker+Invalid, 2692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1030 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:42:04,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2714 Valid, 7838 Invalid, 2692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1030 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 02:42:04,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2022-07-14 02:42:04,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 4856. [2022-07-14 02:42:04,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4856 states, 3445 states have (on average 1.2949201741654572) internal successors, (4461), 3463 states have internal predecessors, (4461), 1069 states have call successors, (1069), 340 states have call predecessors, (1069), 339 states have return successors, (1065), 1060 states have call predecessors, (1065), 1065 states have call successors, (1065) [2022-07-14 02:42:04,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4856 states to 4856 states and 6595 transitions. [2022-07-14 02:42:04,875 INFO L78 Accepts]: Start accepts. Automaton has 4856 states and 6595 transitions. Word has length 302 [2022-07-14 02:42:04,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:42:04,878 INFO L495 AbstractCegarLoop]: Abstraction has 4856 states and 6595 transitions. [2022-07-14 02:42:04,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-14 02:42:04,879 INFO L276 IsEmpty]: Start isEmpty. Operand 4856 states and 6595 transitions. [2022-07-14 02:42:04,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-14 02:42:04,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:42:04,887 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2022-07-14 02:42:04,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 02:42:04,887 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-07-14 02:42:04,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:42:04,888 INFO L85 PathProgramCache]: Analyzing trace with hash -44110018, now seen corresponding path program 1 times [2022-07-14 02:42:04,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:42:04,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696390083] [2022-07-14 02:42:04,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:42:04,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:42:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:42:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:42:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:42:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:42:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:42:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:42:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:42:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:42:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:42:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:42:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:42:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:42:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:42:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:42:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:42:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:42:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:42:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:42:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:42:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:42:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:42:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:42:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:42:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:42:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:42:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 02:42:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2022-07-14 02:42:05,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:42:05,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696390083] [2022-07-14 02:42:05,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696390083] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:42:05,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:42:05,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:42:05,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544464558] [2022-07-14 02:42:05,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:42:05,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:42:05,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:42:05,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:42:05,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:42:05,574 INFO L87 Difference]: Start difference. First operand 4856 states and 6595 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 02:42:08,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:42:08,578 INFO L93 Difference]: Finished difference Result 5346 states and 7385 transitions. [2022-07-14 02:42:08,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 02:42:08,579 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 302 [2022-07-14 02:42:08,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:42:08,608 INFO L225 Difference]: With dead ends: 5346 [2022-07-14 02:42:08,608 INFO L226 Difference]: Without dead ends: 5344 [2022-07-14 02:42:08,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-14 02:42:08,614 INFO L413 NwaCegarLoop]: 2135 mSDtfsCounter, 2382 mSDsluCounter, 5472 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 7607 SdHoareTripleChecker+Invalid, 2899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:42:08,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2584 Valid, 7607 Invalid, 2899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [607 Valid, 2292 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-14 02:42:08,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2022-07-14 02:42:08,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 4860. [2022-07-14 02:42:08,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4860 states, 3448 states have (on average 1.294663573085847) internal successors, (4464), 3466 states have internal predecessors, (4464), 1069 states have call successors, (1069), 341 states have call predecessors, (1069), 340 states have return successors, (1065), 1060 states have call predecessors, (1065), 1065 states have call successors, (1065) [2022-07-14 02:42:08,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4860 states to 4860 states and 6598 transitions. [2022-07-14 02:42:08,791 INFO L78 Accepts]: Start accepts. Automaton has 4860 states and 6598 transitions. Word has length 302 [2022-07-14 02:42:08,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:42:08,792 INFO L495 AbstractCegarLoop]: Abstraction has 4860 states and 6598 transitions. [2022-07-14 02:42:08,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 02:42:08,792 INFO L276 IsEmpty]: Start isEmpty. Operand 4860 states and 6598 transitions. [2022-07-14 02:42:08,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-07-14 02:42:08,798 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:42:08,798 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2022-07-14 02:42:08,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 02:42:08,798 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-07-14 02:42:08,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:42:08,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1534075407, now seen corresponding path program 1 times [2022-07-14 02:42:08,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:42:08,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732445104] [2022-07-14 02:42:08,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:42:08,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:42:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:42:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:42:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:42:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:42:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:42:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:42:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:42:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:42:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:42:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:42:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:42:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:42:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:42:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:42:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:42:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:42:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:42:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:42:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:42:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:42:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:42:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:42:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:42:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:42:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:42:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 02:42:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-14 02:42:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2022-07-14 02:42:09,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:42:09,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732445104] [2022-07-14 02:42:09,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732445104] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:42:09,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:42:09,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:42:09,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963520625] [2022-07-14 02:42:09,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:42:09,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:42:09,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:42:09,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:42:09,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:42:09,555 INFO L87 Difference]: Start difference. First operand 4860 states and 6598 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-14 02:42:12,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:42:12,191 INFO L93 Difference]: Finished difference Result 5350 states and 7388 transitions. [2022-07-14 02:42:12,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 02:42:12,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 307 [2022-07-14 02:42:12,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:42:12,223 INFO L225 Difference]: With dead ends: 5350 [2022-07-14 02:42:12,223 INFO L226 Difference]: Without dead ends: 5348 [2022-07-14 02:42:12,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-14 02:42:12,229 INFO L413 NwaCegarLoop]: 2140 mSDtfsCounter, 2701 mSDsluCounter, 4536 mSDsCounter, 0 mSdLazyCounter, 1714 mSolverCounterSat, 1020 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2901 SdHoareTripleChecker+Valid, 6676 SdHoareTripleChecker+Invalid, 2734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1020 IncrementalHoareTripleChecker+Valid, 1714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:42:12,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2901 Valid, 6676 Invalid, 2734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1020 Valid, 1714 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 02:42:12,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5348 states. [2022-07-14 02:42:12,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5348 to 4864. [2022-07-14 02:42:12,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4864 states, 3451 states have (on average 1.2944074181396696) internal successors, (4467), 3469 states have internal predecessors, (4467), 1069 states have call successors, (1069), 342 states have call predecessors, (1069), 341 states have return successors, (1065), 1060 states have call predecessors, (1065), 1065 states have call successors, (1065) [2022-07-14 02:42:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4864 states to 4864 states and 6601 transitions. [2022-07-14 02:42:12,389 INFO L78 Accepts]: Start accepts. Automaton has 4864 states and 6601 transitions. Word has length 307 [2022-07-14 02:42:12,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:42:12,390 INFO L495 AbstractCegarLoop]: Abstraction has 4864 states and 6601 transitions. [2022-07-14 02:42:12,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-14 02:42:12,391 INFO L276 IsEmpty]: Start isEmpty. Operand 4864 states and 6601 transitions. [2022-07-14 02:42:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-07-14 02:42:12,395 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:42:12,395 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 3, 2, 2, 2, 2, 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, 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] [2022-07-14 02:42:12,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 02:42:12,395 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-07-14 02:42:12,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:42:12,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1161742251, now seen corresponding path program 1 times [2022-07-14 02:42:12,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:42:12,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578250939] [2022-07-14 02:42:12,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:42:12,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:42:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:42:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:42:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:42:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:42:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:42:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:42:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:42:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:42:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:42:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:42:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:42:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:42:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:42:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:42:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:42:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:42:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:42:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:42:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:42:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:42:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:42:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:42:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:42:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:42:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:42:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 02:42:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:42:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-14 02:42:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-14 02:42:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:12,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2022-07-14 02:42:12,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:42:12,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578250939] [2022-07-14 02:42:12,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578250939] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:42:12,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:42:12,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:42:12,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069867720] [2022-07-14 02:42:12,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:42:12,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:42:12,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:42:12,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:42:12,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:42:12,796 INFO L87 Difference]: Start difference. First operand 4864 states and 6601 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 02:42:17,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:42:17,641 INFO L93 Difference]: Finished difference Result 11770 states and 16214 transitions. [2022-07-14 02:42:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:42:17,642 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 321 [2022-07-14 02:42:17,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:42:17,670 INFO L225 Difference]: With dead ends: 11770 [2022-07-14 02:42:17,670 INFO L226 Difference]: Without dead ends: 7493 [2022-07-14 02:42:17,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:42:17,686 INFO L413 NwaCegarLoop]: 3944 mSDtfsCounter, 2249 mSDsluCounter, 5539 mSDsCounter, 0 mSdLazyCounter, 2731 mSolverCounterSat, 664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2460 SdHoareTripleChecker+Valid, 9483 SdHoareTripleChecker+Invalid, 3395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 664 IncrementalHoareTripleChecker+Valid, 2731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:42:17,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2460 Valid, 9483 Invalid, 3395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [664 Valid, 2731 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-14 02:42:17,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7493 states. [2022-07-14 02:42:17,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7493 to 6797. [2022-07-14 02:42:17,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6797 states, 4837 states have (on average 1.298738887740335) internal successors, (6282), 4858 states have internal predecessors, (6282), 1488 states have call successors, (1488), 470 states have call predecessors, (1488), 469 states have return successors, (1484), 1479 states have call predecessors, (1484), 1484 states have call successors, (1484) [2022-07-14 02:42:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6797 states to 6797 states and 9254 transitions. [2022-07-14 02:42:17,906 INFO L78 Accepts]: Start accepts. Automaton has 6797 states and 9254 transitions. Word has length 321 [2022-07-14 02:42:17,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:42:17,907 INFO L495 AbstractCegarLoop]: Abstraction has 6797 states and 9254 transitions. [2022-07-14 02:42:17,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 02:42:17,907 INFO L276 IsEmpty]: Start isEmpty. Operand 6797 states and 9254 transitions. [2022-07-14 02:42:17,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-07-14 02:42:17,911 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:42:17,911 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2022-07-14 02:42:17,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 02:42:17,912 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-07-14 02:42:17,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:42:17,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1314143966, now seen corresponding path program 1 times [2022-07-14 02:42:17,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:42:17,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813064753] [2022-07-14 02:42:17,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:42:17,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:42:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:42:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:42:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:42:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:42:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:42:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:42:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:42:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:42:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:42:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:42:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:42:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:42:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:42:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:42:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:42:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:42:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:42:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:42:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:42:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:42:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:42:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:42:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:42:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:42:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:42:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 02:42:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-14 02:42:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 02:42:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:18,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2022-07-14 02:42:18,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:42:18,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813064753] [2022-07-14 02:42:18,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813064753] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:42:18,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:42:18,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:42:18,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657188225] [2022-07-14 02:42:18,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:42:18,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:42:18,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:42:18,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:42:18,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:42:18,635 INFO L87 Difference]: Start difference. First operand 6797 states and 9254 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 02:42:22,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:42:22,154 INFO L93 Difference]: Finished difference Result 7475 states and 10346 transitions. [2022-07-14 02:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 02:42:22,155 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 312 [2022-07-14 02:42:22,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:42:22,183 INFO L225 Difference]: With dead ends: 7475 [2022-07-14 02:42:22,183 INFO L226 Difference]: Without dead ends: 7473 [2022-07-14 02:42:22,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-14 02:42:22,189 INFO L413 NwaCegarLoop]: 2138 mSDtfsCounter, 2374 mSDsluCounter, 5472 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 605 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 7610 SdHoareTripleChecker+Invalid, 2897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 605 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:42:22,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 7610 Invalid, 2897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [605 Valid, 2292 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-14 02:42:22,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7473 states. [2022-07-14 02:42:22,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7473 to 6801. [2022-07-14 02:42:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6801 states, 4840 states have (on average 1.2985537190082646) internal successors, (6285), 4861 states have internal predecessors, (6285), 1488 states have call successors, (1488), 471 states have call predecessors, (1488), 470 states have return successors, (1484), 1479 states have call predecessors, (1484), 1484 states have call successors, (1484) [2022-07-14 02:42:22,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6801 states to 6801 states and 9257 transitions. [2022-07-14 02:42:22,396 INFO L78 Accepts]: Start accepts. Automaton has 6801 states and 9257 transitions. Word has length 312 [2022-07-14 02:42:22,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:42:22,397 INFO L495 AbstractCegarLoop]: Abstraction has 6801 states and 9257 transitions. [2022-07-14 02:42:22,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 02:42:22,397 INFO L276 IsEmpty]: Start isEmpty. Operand 6801 states and 9257 transitions. [2022-07-14 02:42:22,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-07-14 02:42:22,401 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:42:22,401 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2022-07-14 02:42:22,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 02:42:22,402 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2022-07-14 02:42:22,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:42:22,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2066382383, now seen corresponding path program 1 times [2022-07-14 02:42:22,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:42:22,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997465689] [2022-07-14 02:42:22,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:42:22,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:42:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:42:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:42:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:42:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:42:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:42:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:42:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:42:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:42:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:42:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:42:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:42:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:42:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:42:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:42:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:42:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:42:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:42:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:42:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:42:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:42:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:42:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:42:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:42:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:42:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:42:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 02:42:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:22,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-14 02:42:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:23,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 02:42:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:23,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-14 02:42:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2022-07-14 02:42:23,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:42:23,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997465689] [2022-07-14 02:42:23,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997465689] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:42:23,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:42:23,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:42:23,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324755714] [2022-07-14 02:42:23,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:42:23,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:42:23,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:42:23,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:42:23,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:42:23,019 INFO L87 Difference]: Start difference. First operand 6801 states and 9257 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-14 02:42:28,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:42:28,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:42:28,376 INFO L93 Difference]: Finished difference Result 7479 states and 10349 transitions. [2022-07-14 02:42:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 02:42:28,377 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 317 [2022-07-14 02:42:28,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:42:28,396 INFO L225 Difference]: With dead ends: 7479 [2022-07-14 02:42:28,397 INFO L226 Difference]: Without dead ends: 7477 [2022-07-14 02:42:28,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-14 02:42:28,399 INFO L413 NwaCegarLoop]: 2138 mSDtfsCounter, 2374 mSDsluCounter, 5471 mSDsCounter, 0 mSdLazyCounter, 2291 mSolverCounterSat, 604 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 7609 SdHoareTripleChecker+Invalid, 2896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 604 IncrementalHoareTripleChecker+Valid, 2291 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:42:28,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 7609 Invalid, 2896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [604 Valid, 2291 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-07-14 02:42:28,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7477 states. [2022-07-14 02:42:28,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7477 to 6805. [2022-07-14 02:42:28,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6805 states, 4843 states have (on average 1.2983687796820154) internal successors, (6288), 4864 states have internal predecessors, (6288), 1488 states have call successors, (1488), 472 states have call predecessors, (1488), 471 states have return successors, (1484), 1479 states have call predecessors, (1484), 1484 states have call successors, (1484) [2022-07-14 02:42:28,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6805 states to 6805 states and 9260 transitions. [2022-07-14 02:42:28,599 INFO L78 Accepts]: Start accepts. Automaton has 6805 states and 9260 transitions. Word has length 317 [2022-07-14 02:42:28,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:42:28,600 INFO L495 AbstractCegarLoop]: Abstraction has 6805 states and 9260 transitions. [2022-07-14 02:42:28,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-14 02:42:28,600 INFO L276 IsEmpty]: Start isEmpty. Operand 6805 states and 9260 transitions. [2022-07-14 02:42:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-14 02:42:28,604 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:42:28,604 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2022-07-14 02:42:28,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 02:42:28,605 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-07-14 02:42:28,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:42:28,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1141278156, now seen corresponding path program 1 times [2022-07-14 02:42:28,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:42:28,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363676499] [2022-07-14 02:42:28,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:42:28,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:42:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:42:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:42:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:42:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:42:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:42:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:42:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:42:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:42:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:42:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:42:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:42:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:42:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:42:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:42:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:42:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:42:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:42:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:42:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:42:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:28,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:42:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:42:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:42:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:42:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-14 02:42:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:42:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:42:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:42:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 02:42:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 02:42:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 02:42:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 02:42:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 02:42:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:29,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2022-07-14 02:42:29,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:42:29,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363676499] [2022-07-14 02:42:29,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363676499] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:42:29,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:42:29,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:42:29,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69772802] [2022-07-14 02:42:29,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:42:29,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:42:29,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:42:29,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:42:29,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:42:29,090 INFO L87 Difference]: Start difference. First operand 6805 states and 9260 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 02:42:31,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:42:31,710 INFO L93 Difference]: Finished difference Result 19553 states and 26819 transitions. [2022-07-14 02:42:31,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:42:31,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 332 [2022-07-14 02:42:31,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:42:31,774 INFO L225 Difference]: With dead ends: 19553 [2022-07-14 02:42:31,774 INFO L226 Difference]: Without dead ends: 12812 [2022-07-14 02:42:31,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:42:31,805 INFO L413 NwaCegarLoop]: 2491 mSDtfsCounter, 2589 mSDsluCounter, 2971 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2799 SdHoareTripleChecker+Valid, 5462 SdHoareTripleChecker+Invalid, 2191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 913 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:42:31,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2799 Valid, 5462 Invalid, 2191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [913 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-14 02:42:31,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12812 states. [2022-07-14 02:42:32,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12812 to 11890. [2022-07-14 02:42:32,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11890 states, 8546 states have (on average 1.29932131991575) internal successors, (11104), 8590 states have internal predecessors, (11104), 2527 states have call successors, (2527), 815 states have call predecessors, (2527), 814 states have return successors, (2523), 2506 states have call predecessors, (2523), 2523 states have call successors, (2523) [2022-07-14 02:42:32,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11890 states to 11890 states and 16154 transitions. [2022-07-14 02:42:32,178 INFO L78 Accepts]: Start accepts. Automaton has 11890 states and 16154 transitions. Word has length 332 [2022-07-14 02:42:32,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:42:32,178 INFO L495 AbstractCegarLoop]: Abstraction has 11890 states and 16154 transitions. [2022-07-14 02:42:32,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 02:42:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 11890 states and 16154 transitions. [2022-07-14 02:42:32,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-07-14 02:42:32,230 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:42:32,230 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2022-07-14 02:42:32,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 02:42:32,230 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2022-07-14 02:42:32,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:42:32,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1972647550, now seen corresponding path program 1 times [2022-07-14 02:42:32,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:42:32,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705353512] [2022-07-14 02:42:32,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:42:32,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:42:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:42:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:42:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:42:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:42:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:42:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:42:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:42:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:42:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:42:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:42:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:42:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:42:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:42:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:42:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:42:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:42:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:42:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:42:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:42:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:42:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:42:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:42:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:42:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:42:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:42:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 02:42:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-14 02:42:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 02:42:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-14 02:42:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-14 02:42:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2022-07-14 02:42:32,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:42:32,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705353512] [2022-07-14 02:42:32,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705353512] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:42:32,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:42:32,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:42:32,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311844169] [2022-07-14 02:42:32,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:42:32,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:42:32,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:42:32,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:42:32,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:42:32,680 INFO L87 Difference]: Start difference. First operand 11890 states and 16154 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 02:42:40,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:42:40,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:42:40,745 INFO L93 Difference]: Finished difference Result 25579 states and 35435 transitions. [2022-07-14 02:42:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:42:40,746 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 322 [2022-07-14 02:42:40,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:42:40,906 INFO L225 Difference]: With dead ends: 25579 [2022-07-14 02:42:40,906 INFO L226 Difference]: Without dead ends: 25575 [2022-07-14 02:42:40,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-14 02:42:40,934 INFO L413 NwaCegarLoop]: 2719 mSDtfsCounter, 2682 mSDsluCounter, 8342 mSDsCounter, 0 mSdLazyCounter, 3931 mSolverCounterSat, 951 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2906 SdHoareTripleChecker+Valid, 11061 SdHoareTripleChecker+Invalid, 4883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 951 IncrementalHoareTripleChecker+Valid, 3931 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:42:40,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2906 Valid, 11061 Invalid, 4883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [951 Valid, 3931 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-07-14 02:42:40,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25575 states. [2022-07-14 02:42:41,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25575 to 23160. [2022-07-14 02:42:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23160 states, 16618 states have (on average 1.3007582139848357) internal successors, (21616), 16736 states have internal predecessors, (21616), 4945 states have call successors, (4945), 1585 states have call predecessors, (4945), 1594 states have return successors, (5111), 4876 states have call predecessors, (5111), 4937 states have call successors, (5111) [2022-07-14 02:42:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23160 states to 23160 states and 31672 transitions. [2022-07-14 02:42:41,951 INFO L78 Accepts]: Start accepts. Automaton has 23160 states and 31672 transitions. Word has length 322 [2022-07-14 02:42:41,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:42:41,952 INFO L495 AbstractCegarLoop]: Abstraction has 23160 states and 31672 transitions. [2022-07-14 02:42:41,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 02:42:41,953 INFO L276 IsEmpty]: Start isEmpty. Operand 23160 states and 31672 transitions. [2022-07-14 02:42:41,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-07-14 02:42:41,959 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:42:41,960 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2022-07-14 02:42:41,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 02:42:41,960 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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)] === [2022-07-14 02:42:41,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:42:41,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1690731087, now seen corresponding path program 1 times [2022-07-14 02:42:41,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:42:41,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031497272] [2022-07-14 02:42:41,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:42:41,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:42:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:42:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:42:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:42:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:42:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:42:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:42:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:42:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:42:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:42:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:42:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:42:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:42:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:42:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:42:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:42:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:42:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:42:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:42:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:42:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:42:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:42:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:42:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:42:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:42:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:42:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 02:42:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-14 02:42:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 02:42:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-14 02:42:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-14 02:42:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-14 02:42:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2022-07-14 02:42:42,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:42:42,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031497272] [2022-07-14 02:42:42,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031497272] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:42:42,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:42:42,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:42:42,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060071869] [2022-07-14 02:42:42,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:42:42,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:42:42,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:42:42,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:42:42,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:42:42,659 INFO L87 Difference]: Start difference. First operand 23160 states and 31672 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 02:42:47,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:42:48,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:42:48,325 INFO L93 Difference]: Finished difference Result 25422 states and 35235 transitions. [2022-07-14 02:42:48,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 02:42:48,327 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 327 [2022-07-14 02:42:48,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:42:48,456 INFO L225 Difference]: With dead ends: 25422 [2022-07-14 02:42:48,456 INFO L226 Difference]: Without dead ends: 24823 [2022-07-14 02:42:48,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-14 02:42:48,483 INFO L413 NwaCegarLoop]: 2140 mSDtfsCounter, 2379 mSDsluCounter, 5475 mSDsCounter, 0 mSdLazyCounter, 2290 mSolverCounterSat, 607 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 7615 SdHoareTripleChecker+Invalid, 2898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 2290 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:42:48,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2581 Valid, 7615 Invalid, 2898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [607 Valid, 2290 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-07-14 02:42:48,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24823 states. [2022-07-14 02:42:49,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24823 to 22645. [2022-07-14 02:42:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22645 states, 16248 states have (on average 1.301944854751354) internal successors, (21154), 16350 states have internal predecessors, (21154), 4848 states have call successors, (4848), 1536 states have call predecessors, (4848), 1546 states have return successors, (5018), 4792 states have call predecessors, (5018), 4844 states have call successors, (5018) [2022-07-14 02:42:49,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22645 states to 22645 states and 31020 transitions. [2022-07-14 02:42:49,500 INFO L78 Accepts]: Start accepts. Automaton has 22645 states and 31020 transitions. Word has length 327 [2022-07-14 02:42:49,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:42:49,501 INFO L495 AbstractCegarLoop]: Abstraction has 22645 states and 31020 transitions. [2022-07-14 02:42:49,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 02:42:49,501 INFO L276 IsEmpty]: Start isEmpty. Operand 22645 states and 31020 transitions. [2022-07-14 02:42:49,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-14 02:42:49,510 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:42:49,510 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 20, 20, 20, 20, 20, 20, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-07-14 02:42:49,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-14 02:42:49,511 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-07-14 02:42:49,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:42:49,511 INFO L85 PathProgramCache]: Analyzing trace with hash -717553721, now seen corresponding path program 1 times [2022-07-14 02:42:49,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:42:49,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248206682] [2022-07-14 02:42:49,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:42:49,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:42:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:42:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:42:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:42:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:42:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:42:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:42:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:42:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:42:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:42:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:42:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:42:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:42:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:42:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:42:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:42:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:42:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:42:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:42:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:42:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:42:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:42:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:42:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:42:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:42:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:42:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-14 02:42:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-14 02:42:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 02:42:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-14 02:42:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 02:42:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-14 02:42:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:50,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:50,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:50,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 02:42:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2218 trivial. 0 not checked. [2022-07-14 02:42:50,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:42:50,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248206682] [2022-07-14 02:42:50,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248206682] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:42:50,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:42:50,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:42:50,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591824255] [2022-07-14 02:42:50,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:42:50,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:42:50,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:42:50,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:42:50,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:42:50,022 INFO L87 Difference]: Start difference. First operand 22645 states and 31020 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-14 02:42:55,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:42:55,639 INFO L93 Difference]: Finished difference Result 54910 states and 75880 transitions. [2022-07-14 02:42:55,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:42:55,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 382 [2022-07-14 02:42:55,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:42:55,775 INFO L225 Difference]: With dead ends: 54910 [2022-07-14 02:42:55,776 INFO L226 Difference]: Without dead ends: 32223 [2022-07-14 02:42:55,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:42:55,844 INFO L413 NwaCegarLoop]: 3912 mSDtfsCounter, 2234 mSDsluCounter, 5527 mSDsCounter, 0 mSdLazyCounter, 2698 mSolverCounterSat, 649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 9439 SdHoareTripleChecker+Invalid, 3347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 649 IncrementalHoareTripleChecker+Valid, 2698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:42:55,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2446 Valid, 9439 Invalid, 3347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [649 Valid, 2698 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-14 02:42:55,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32223 states. [2022-07-14 02:42:57,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32223 to 29392. [2022-07-14 02:42:57,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29392 states, 21092 states have (on average 1.304048928503698) internal successors, (27505), 21221 states have internal predecessors, (27505), 6297 states have call successors, (6297), 1986 states have call predecessors, (6297), 2000 states have return successors, (6525), 6232 states have call predecessors, (6525), 6293 states have call successors, (6525) [2022-07-14 02:42:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29392 states to 29392 states and 40327 transitions. [2022-07-14 02:42:57,376 INFO L78 Accepts]: Start accepts. Automaton has 29392 states and 40327 transitions. Word has length 382 [2022-07-14 02:42:57,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:42:57,376 INFO L495 AbstractCegarLoop]: Abstraction has 29392 states and 40327 transitions. [2022-07-14 02:42:57,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-14 02:42:57,377 INFO L276 IsEmpty]: Start isEmpty. Operand 29392 states and 40327 transitions. [2022-07-14 02:42:57,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-14 02:42:57,387 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:42:57,387 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 20, 20, 20, 20, 20, 20, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-07-14 02:42:57,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-14 02:42:57,388 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-07-14 02:42:57,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:42:57,388 INFO L85 PathProgramCache]: Analyzing trace with hash -793766757, now seen corresponding path program 1 times [2022-07-14 02:42:57,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:42:57,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986889829] [2022-07-14 02:42:57,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:42:57,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:42:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:42:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:42:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:42:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:42:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:42:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:42:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:42:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:42:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:42:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:42:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:42:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:42:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:42:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:42:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:42:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:42:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:42:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:42:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:42:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:42:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:42:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:42:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:42:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:42:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:58,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:42:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-14 02:42:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:58,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-14 02:42:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 02:42:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:58,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-14 02:42:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:58,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 02:42:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:58,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-14 02:42:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:58,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:42:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:58,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 02:42:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:42:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2243 trivial. 0 not checked. [2022-07-14 02:42:58,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:42:58,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986889829] [2022-07-14 02:42:58,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986889829] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:42:58,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:42:58,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:42:58,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501871403] [2022-07-14 02:42:58,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:42:58,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:42:58,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:42:58,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:42:58,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:42:58,117 INFO L87 Difference]: Start difference. First operand 29392 states and 40327 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 02:43:02,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:02,086 INFO L93 Difference]: Finished difference Result 70196 states and 96554 transitions. [2022-07-14 02:43:02,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:43:02,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 382 [2022-07-14 02:43:02,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:02,298 INFO L225 Difference]: With dead ends: 70196 [2022-07-14 02:43:02,298 INFO L226 Difference]: Without dead ends: 41174 [2022-07-14 02:43:02,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:43:02,403 INFO L413 NwaCegarLoop]: 3022 mSDtfsCounter, 1584 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 1019 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1711 SdHoareTripleChecker+Valid, 6203 SdHoareTripleChecker+Invalid, 2514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1019 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:02,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1711 Valid, 6203 Invalid, 2514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1019 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 02:43:02,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41174 states. [2022-07-14 02:43:03,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41174 to 37087. [2022-07-14 02:43:03,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37087 states, 26665 states have (on average 1.2952559534970935) internal successors, (34538), 26816 states have internal predecessors, (34538), 7737 states have call successors, (7737), 2668 states have call predecessors, (7737), 2682 states have return successors, (7977), 7652 states have call predecessors, (7977), 7733 states have call successors, (7977) [2022-07-14 02:43:04,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37087 states to 37087 states and 50252 transitions. [2022-07-14 02:43:04,058 INFO L78 Accepts]: Start accepts. Automaton has 37087 states and 50252 transitions. Word has length 382 [2022-07-14 02:43:04,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:04,059 INFO L495 AbstractCegarLoop]: Abstraction has 37087 states and 50252 transitions. [2022-07-14 02:43:04,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 02:43:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 37087 states and 50252 transitions. [2022-07-14 02:43:04,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-14 02:43:04,076 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:04,076 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 20, 20, 20, 20, 20, 20, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2022-07-14 02:43:04,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-14 02:43:04,077 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-07-14 02:43:04,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:04,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1722098058, now seen corresponding path program 1 times [2022-07-14 02:43:04,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:04,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407481224] [2022-07-14 02:43:04,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:04,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:43:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:43:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:43:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:43:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:43:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:43:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:43:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:43:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:43:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:43:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:43:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:43:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:43:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:43:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:43:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:43:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:43:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-14 02:43:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-14 02:43:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 02:43:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-14 02:43:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-14 02:43:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-14 02:43:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 02:43:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-14 02:43:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-14 02:43:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-14 02:43:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-14 02:43:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-14 02:43:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 02:43:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:04,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2363 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 2329 trivial. 0 not checked. [2022-07-14 02:43:04,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:04,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407481224] [2022-07-14 02:43:04,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407481224] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:04,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:04,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:43:04,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963915431] [2022-07-14 02:43:04,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:04,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:43:04,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:04,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:43:04,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:43:04,712 INFO L87 Difference]: Start difference. First operand 37087 states and 50252 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-14 02:43:12,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:12,352 INFO L93 Difference]: Finished difference Result 87550 states and 119767 transitions. [2022-07-14 02:43:12,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:43:12,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 444 [2022-07-14 02:43:12,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:12,613 INFO L225 Difference]: With dead ends: 87550 [2022-07-14 02:43:12,613 INFO L226 Difference]: Without dead ends: 50833 [2022-07-14 02:43:12,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:43:12,766 INFO L413 NwaCegarLoop]: 4000 mSDtfsCounter, 2181 mSDsluCounter, 5594 mSDsCounter, 0 mSdLazyCounter, 2741 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2392 SdHoareTripleChecker+Valid, 9594 SdHoareTripleChecker+Invalid, 3334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 2741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:12,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2392 Valid, 9594 Invalid, 3334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 2741 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-14 02:43:12,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50833 states. [2022-07-14 02:43:14,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50833 to 45895. [2022-07-14 02:43:14,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45895 states, 33041 states have (on average 1.2962682727520354) internal successors, (42830), 33216 states have internal predecessors, (42830), 9545 states have call successors, (9545), 3288 states have call predecessors, (9545), 3306 states have return successors, (9846), 9450 states have call predecessors, (9846), 9541 states have call successors, (9846) [2022-07-14 02:43:14,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45895 states to 45895 states and 62221 transitions. [2022-07-14 02:43:14,848 INFO L78 Accepts]: Start accepts. Automaton has 45895 states and 62221 transitions. Word has length 444 [2022-07-14 02:43:14,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:14,849 INFO L495 AbstractCegarLoop]: Abstraction has 45895 states and 62221 transitions. [2022-07-14 02:43:14,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-14 02:43:14,849 INFO L276 IsEmpty]: Start isEmpty. Operand 45895 states and 62221 transitions. [2022-07-14 02:43:14,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2022-07-14 02:43:14,911 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:14,911 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 20, 20, 20, 20, 20, 20, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2022-07-14 02:43:14,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-14 02:43:14,912 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-07-14 02:43:14,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:14,912 INFO L85 PathProgramCache]: Analyzing trace with hash 809473684, now seen corresponding path program 1 times [2022-07-14 02:43:14,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:14,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733145003] [2022-07-14 02:43:14,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:14,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:43:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:43:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:43:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:43:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:43:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:43:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:43:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:43:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:43:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:43:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:43:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:43:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:43:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:43:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:43:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:43:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:43:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-14 02:43:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-14 02:43:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 02:43:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-14 02:43:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 02:43:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-14 02:43:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-14 02:43:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-14 02:43:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-14 02:43:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-14 02:43:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-14 02:43:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-14 02:43:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-07-14 02:43:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 02:43:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 02:43:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:15,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2502 trivial. 0 not checked. [2022-07-14 02:43:15,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:15,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733145003] [2022-07-14 02:43:15,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733145003] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:15,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:15,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:43:15,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033415597] [2022-07-14 02:43:15,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:15,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:43:15,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:15,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:43:15,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:43:15,419 INFO L87 Difference]: Start difference. First operand 45895 states and 62221 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-14 02:43:21,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:21,921 INFO L93 Difference]: Finished difference Result 119510 states and 163590 transitions. [2022-07-14 02:43:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:43:21,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 468 [2022-07-14 02:43:21,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:22,209 INFO L225 Difference]: With dead ends: 119510 [2022-07-14 02:43:22,209 INFO L226 Difference]: Without dead ends: 73985 [2022-07-14 02:43:22,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:43:22,334 INFO L413 NwaCegarLoop]: 4090 mSDtfsCounter, 2600 mSDsluCounter, 3858 mSDsCounter, 0 mSdLazyCounter, 1714 mSolverCounterSat, 1075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2826 SdHoareTripleChecker+Valid, 7948 SdHoareTripleChecker+Invalid, 2789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1075 IncrementalHoareTripleChecker+Valid, 1714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:22,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2826 Valid, 7948 Invalid, 2789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1075 Valid, 1714 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-14 02:43:22,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73985 states. [2022-07-14 02:43:24,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73985 to 66440. [2022-07-14 02:43:24,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66440 states, 47991 states have (on average 1.2960138359275697) internal successors, (62197), 48248 states have internal predecessors, (62197), 13654 states have call successors, (13654), 4764 states have call predecessors, (13654), 4792 states have return successors, (14085), 13514 states have call predecessors, (14085), 13650 states have call successors, (14085) [2022-07-14 02:43:25,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66440 states to 66440 states and 89936 transitions. [2022-07-14 02:43:25,294 INFO L78 Accepts]: Start accepts. Automaton has 66440 states and 89936 transitions. Word has length 468 [2022-07-14 02:43:25,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:25,294 INFO L495 AbstractCegarLoop]: Abstraction has 66440 states and 89936 transitions. [2022-07-14 02:43:25,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-14 02:43:25,295 INFO L276 IsEmpty]: Start isEmpty. Operand 66440 states and 89936 transitions. [2022-07-14 02:43:25,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2022-07-14 02:43:25,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:25,370 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 21, 21, 21, 20, 20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2022-07-14 02:43:25,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-14 02:43:25,370 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-07-14 02:43:25,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:25,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1065501705, now seen corresponding path program 1 times [2022-07-14 02:43:25,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:25,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057180854] [2022-07-14 02:43:25,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:25,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:43:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:43:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:43:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:43:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:43:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:43:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:43:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:43:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:43:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:43:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:43:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:43:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:43:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:43:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:43:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:43:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:43:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-14 02:43:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-14 02:43:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 02:43:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-14 02:43:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 02:43:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-14 02:43:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-14 02:43:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-14 02:43:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-14 02:43:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-14 02:43:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-14 02:43:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-14 02:43:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-14 02:43:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-14 02:43:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-14 02:43:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-14 02:43:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-14 02:43:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 02:43:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3669 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3643 trivial. 0 not checked. [2022-07-14 02:43:26,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:26,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057180854] [2022-07-14 02:43:26,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057180854] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:26,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:26,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:43:26,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328224820] [2022-07-14 02:43:26,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:26,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:43:26,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:26,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:43:26,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:43:26,178 INFO L87 Difference]: Start difference. First operand 66440 states and 89936 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-14 02:43:32,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:32,139 INFO L93 Difference]: Finished difference Result 155182 states and 211047 transitions. [2022-07-14 02:43:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:43:32,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 598 [2022-07-14 02:43:32,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:32,561 INFO L225 Difference]: With dead ends: 155182 [2022-07-14 02:43:32,561 INFO L226 Difference]: Without dead ends: 88342 [2022-07-14 02:43:32,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:43:32,789 INFO L413 NwaCegarLoop]: 3029 mSDtfsCounter, 1576 mSDsluCounter, 3199 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 1004 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 6228 SdHoareTripleChecker+Invalid, 2491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1004 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:32,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1704 Valid, 6228 Invalid, 2491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1004 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 02:43:32,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88342 states. [2022-07-14 02:43:35,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88342 to 78781. [2022-07-14 02:43:35,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78781 states, 56997 states have (on average 1.2905942418022) internal successors, (73560), 57286 states have internal predecessors, (73560), 15873 states have call successors, (15873), 5880 states have call predecessors, (15873), 5908 states have return successors, (16319), 15703 states have call predecessors, (16319), 15869 states have call successors, (16319) [2022-07-14 02:43:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78781 states to 78781 states and 105752 transitions. [2022-07-14 02:43:36,117 INFO L78 Accepts]: Start accepts. Automaton has 78781 states and 105752 transitions. Word has length 598 [2022-07-14 02:43:36,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:36,118 INFO L495 AbstractCegarLoop]: Abstraction has 78781 states and 105752 transitions. [2022-07-14 02:43:36,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-14 02:43:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 78781 states and 105752 transitions. [2022-07-14 02:43:36,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2022-07-14 02:43:36,145 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:36,145 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 21, 21, 21, 20, 20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2022-07-14 02:43:36,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-14 02:43:36,145 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-07-14 02:43:36,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:36,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1968548341, now seen corresponding path program 1 times [2022-07-14 02:43:36,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:36,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094140539] [2022-07-14 02:43:36,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:36,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:43:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:43:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:43:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:43:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:43:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:43:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:43:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:43:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 02:43:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:43:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 02:43:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 02:43:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:43:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:43:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 02:43:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:43:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 02:43:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-14 02:43:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-14 02:43:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 02:43:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-14 02:43:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 02:43:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-14 02:43:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-14 02:43:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-14 02:43:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-14 02:43:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-14 02:43:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-14 02:43:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-14 02:43:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-14 02:43:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-14 02:43:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-14 02:43:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-14 02:43:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-14 02:43:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 02:43:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3669 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3643 trivial. 0 not checked. [2022-07-14 02:43:36,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:36,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094140539] [2022-07-14 02:43:36,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094140539] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:36,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:36,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:43:36,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756524842] [2022-07-14 02:43:36,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:36,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:43:36,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:36,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:43:36,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:43:36,956 INFO L87 Difference]: Start difference. First operand 78781 states and 105752 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-14 02:43:44,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:44,017 INFO L93 Difference]: Finished difference Result 189638 states and 256069 transitions. [2022-07-14 02:43:44,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:43:44,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 598 [2022-07-14 02:43:44,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:44,552 INFO L225 Difference]: With dead ends: 189638 [2022-07-14 02:43:44,553 INFO L226 Difference]: Without dead ends: 111227 [2022-07-14 02:43:44,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:43:44,832 INFO L413 NwaCegarLoop]: 3238 mSDtfsCounter, 1877 mSDsluCounter, 3289 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 1075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2050 SdHoareTripleChecker+Valid, 6527 SdHoareTripleChecker+Invalid, 2640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1075 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:44,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2050 Valid, 6527 Invalid, 2640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1075 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-14 02:43:45,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111227 states.