./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:32:01,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:32:01,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:32:01,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:32:01,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:32:01,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:32:01,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:32:01,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:32:01,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:32:01,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:32:01,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:32:01,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:32:01,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:32:01,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:32:01,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:32:01,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:32:01,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:32:01,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:32:01,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:32:01,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:32:01,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:32:01,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:32:01,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:32:01,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:32:01,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:32:01,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:32:01,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:32:01,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:32:01,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:32:01,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:32:01,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:32:01,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:32:01,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:32:01,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:32:01,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:32:01,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:32:01,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:32:01,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:32:01,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:32:01,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:32:01,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:32:01,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:32:01,526 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:32:01,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:32:01,527 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:32:01,527 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:32:01,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:32:01,528 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:32:01,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:32:01,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:32:01,529 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:32:01,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:32:01,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:32:01,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:32:01,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:32:01,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:32:01,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:32:01,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:32:01,530 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:32:01,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:32:01,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:32:01,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:32:01,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:32:01,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:32:01,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:32:01,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:32:01,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:32:01,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:32:01,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:32:01,533 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:32:01,533 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:32:01,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:32:01,533 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:32:01,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6012e8ec841b08462bbd246c354a43139de7ccb42d1c6282a50e12dbc313f31 [2021-12-14 18:32:01,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:32:01,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:32:01,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:32:01,755 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:32:01,756 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:32:01,756 INFO L432 ainManager$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 [2021-12-14 18:32:01,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a1605537/4b4613366411458395d4fbc446e11ca2/FLAGe7bde62b8 [2021-12-14 18:32:02,356 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:32:02,356 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 [2021-12-14 18:32:02,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a1605537/4b4613366411458395d4fbc446e11ca2/FLAGe7bde62b8 [2021-12-14 18:32:02,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a1605537/4b4613366411458395d4fbc446e11ca2 [2021-12-14 18:32:02,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:32:02,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:32:02,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:32:02,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:32:02,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:32:02,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:32:02" (1/1) ... [2021-12-14 18:32:02,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2118acc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:02, skipping insertion in model container [2021-12-14 18:32:02,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:32:02" (1/1) ... [2021-12-14 18:32:02,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:32:02,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:32:03,924 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] [2021-12-14 18:32:03,927 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] [2021-12-14 18:32:03,928 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] [2021-12-14 18:32:03,928 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] [2021-12-14 18:32:03,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:32:03,999 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:32:04,268 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] [2021-12-14 18:32:04,269 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] [2021-12-14 18:32:04,269 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] [2021-12-14 18:32:04,269 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] [2021-12-14 18:32:04,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:32:04,439 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:32:04,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:04 WrapperNode [2021-12-14 18:32:04,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:32:04,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:32:04,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:32:04,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:32:04,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:04" (1/1) ... [2021-12-14 18:32:04,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:04" (1/1) ... [2021-12-14 18:32:04,669 INFO L137 Inliner]: procedures = 386, calls = 2493, calls flagged for inlining = 198, calls inlined = 148, statements flattened = 4944 [2021-12-14 18:32:04,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:32:04,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:32:04,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:32:04,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:32:04,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:04" (1/1) ... [2021-12-14 18:32:04,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:04" (1/1) ... [2021-12-14 18:32:04,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:04" (1/1) ... [2021-12-14 18:32:04,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:04" (1/1) ... [2021-12-14 18:32:04,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:04" (1/1) ... [2021-12-14 18:32:04,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:04" (1/1) ... [2021-12-14 18:32:04,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:04" (1/1) ... [2021-12-14 18:32:04,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:32:04,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:32:04,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:32:04,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:32:04,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:04" (1/1) ... [2021-12-14 18:32:04,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:32:04,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:32:04,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:32:04,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:32:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 18:32:05,010 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 18:32:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:32:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:32:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-14 18:32:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-14 18:32:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:32:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:32:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:32:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:32:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_stereo_mono [2021-12-14 18:32:05,012 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_stereo_mono [2021-12-14 18:32:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:32:05,012 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:32:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_len [2021-12-14 18:32:05,012 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_len [2021-12-14 18:32:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-12-14 18:32:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-12-14 18:32:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:32:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:32:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:32:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:32:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-14 18:32:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-14 18:32:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:32:05,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:32:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-14 18:32:05,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-14 18:32:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:32:05,014 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:32:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:32:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-14 18:32:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-14 18:32:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure st_unregister [2021-12-14 18:32:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure st_unregister [2021-12-14 18:32:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:32:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-14 18:32:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-14 18:32:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:32:05,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:32:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:32:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:32:05,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:32:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:32:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_fmdev [2021-12-14 18:32:05,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_fmdev [2021-12-14 18:32:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_release [2021-12-14 18:32:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_release [2021-12-14 18:32:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:32:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:32:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_fmdev [2021-12-14 18:32:05,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_fmdev [2021-12-14 18:32:05,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:32:05,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:32:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:32:05,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:32:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_rds_mode [2021-12-14 18:32:05,019 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_rds_mode [2021-12-14 18:32:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-14 18:32:05,020 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-14 18:32:05,020 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-12-14 18:32:05,020 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-12-14 18:32:05,020 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_rds_mode [2021-12-14 18:32:05,020 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_rds_mode [2021-12-14 18:32:05,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:32:05,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:32:05,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:32:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:32:05,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:32:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-14 18:32:05,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-14 18:32:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-14 18:32:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-14 18:32:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:32:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:32:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:32:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:32:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-14 18:32:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-14 18:32:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-14 18:32:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-14 18:32:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_preemph_filter [2021-12-14 18:32:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_preemph_filter [2021-12-14 18:32:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-14 18:32:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-14 18:32:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-14 18:32:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-14 18:32:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 18:32:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 18:32:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:32:05,025 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:32:05,025 INFO L130 BoogieDeclarations]: Found specification of procedure fm_g_volatile_ctrl [2021-12-14 18:32:05,025 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_g_volatile_ctrl [2021-12-14 18:32:05,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:32:05,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:32:05,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-14 18:32:05,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-14 18:32:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:32:05,026 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:32:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure fm_config_rx_mute_reg [2021-12-14 18:32:05,026 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_config_rx_mute_reg [2021-12-14 18:32:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-14 18:32:05,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-14 18:32:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:32:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:32:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_data_mode [2021-12-14 18:32:05,027 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_data_mode [2021-12-14 18:32:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:32:05,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:32:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_pwr_lvl [2021-12-14 18:32:05,027 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_pwr_lvl [2021-12-14 18:32:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-14 18:32:05,028 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-14 18:32:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_prepare [2021-12-14 18:32:05,030 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_prepare [2021-12-14 18:32:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_send_cmd [2021-12-14 18:32:05,030 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_send_cmd [2021-12-14 18:32:05,031 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-12-14 18:32:05,032 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-12-14 18:32:05,032 INFO L130 BoogieDeclarations]: Found specification of procedure fm_send_cmd [2021-12-14 18:32:05,032 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_send_cmd [2021-12-14 18:32:05,032 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 18:32:05,035 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 18:32:05,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:32:05,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:32:05,036 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call_stage [2021-12-14 18:32:05,036 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call_stage [2021-12-14 18:32:05,036 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-14 18:32:05,036 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-14 18:32:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-12-14 18:32:05,037 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-12-14 18:32:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:32:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2021-12-14 18:32:05,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2021-12-14 18:32:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:32:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_rds_cache [2021-12-14 18:32:05,037 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_rds_cache [2021-12-14 18:32:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_station_info [2021-12-14 18:32:05,038 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_station_info [2021-12-14 18:32:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_s_ctrl [2021-12-14 18:32:05,038 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_s_ctrl [2021-12-14 18:32:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:32:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-14 18:32:05,038 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-14 18:32:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2021-12-14 18:32:05,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2021-12-14 18:32:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure enable_xmit [2021-12-14 18:32:05,039 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_xmit [2021-12-14 18:32:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-14 18:32:05,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-14 18:32:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_volume [2021-12-14 18:32:05,039 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_volume [2021-12-14 18:32:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:32:05,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:32:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-14 18:32:05,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-14 18:32:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 18:32:05,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 18:32:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:32:05,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:32:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:32:05,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:32:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2021-12-14 18:32:05,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2021-12-14 18:32:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_text [2021-12-14 18:32:05,040 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_text [2021-12-14 18:32:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-14 18:32:05,041 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-14 18:32:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_release [2021-12-14 18:32:05,041 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_release [2021-12-14 18:32:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-14 18:32:05,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-14 18:32:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:32:05,041 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:32:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:32:05,042 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:32:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-14 18:32:05,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-14 18:32:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-14 18:32:05,042 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-14 18:32:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:32:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-14 18:32:05,042 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-14 18:32:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:32:05,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:32:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_open [2021-12-14 18:32:05,044 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_open [2021-12-14 18:32:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:32:05,044 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:32:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_freq [2021-12-14 18:32:05,044 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_freq [2021-12-14 18:32:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_mode [2021-12-14 18:32:05,044 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_mode [2021-12-14 18:32:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_write [2021-12-14 18:32:05,044 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_write [2021-12-14 18:32:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 18:32:05,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 18:32:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call [2021-12-14 18:32:05,045 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call [2021-12-14 18:32:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:32:05,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:32:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 18:32:05,045 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 18:32:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure fm_power_down [2021-12-14 18:32:05,046 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_power_down [2021-12-14 18:32:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure fm_download_firmware [2021-12-14 18:32:05,046 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_download_firmware [2021-12-14 18:32:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:32:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:32:05,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:32:05,646 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:32:05,651 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:32:05,796 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:32:08,160 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:32:08,206 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:32:08,224 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:32:08,224 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 18:32:08,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:32:08 BoogieIcfgContainer [2021-12-14 18:32:08,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:32:08,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:32:08,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:32:08,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:32:08,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:32:02" (1/3) ... [2021-12-14 18:32:08,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e97818a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:32:08, skipping insertion in model container [2021-12-14 18:32:08,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:04" (2/3) ... [2021-12-14 18:32:08,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e97818a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:32:08, skipping insertion in model container [2021-12-14 18:32:08,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:32:08" (3/3) ... [2021-12-14 18:32:08,234 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2021-12-14 18:32:08,240 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:32:08,241 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:32:08,282 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:32:08,286 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:32:08,287 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:32:08,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 1716 states, 1195 states have (on average 1.3179916317991631) internal successors, (1575), 1211 states have internal predecessors, (1575), 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) [2021-12-14 18:32:08,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-14 18:32:08,349 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:32:08,350 INFO L514 BasicCegarLoop]: 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] [2021-12-14 18:32:08,351 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:32:08,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:32:08,355 INFO L85 PathProgramCache]: Analyzing trace with hash -869569610, now seen corresponding path program 1 times [2021-12-14 18:32:08,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:32:08,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818419916] [2021-12-14 18:32:08,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:32:08,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:32:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:08,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:32:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:32:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:32:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:32:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:32:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:32:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:32:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:32:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:32:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:32:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:32:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:32:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:32:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:32:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:32:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:32:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:32:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:32:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:32:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:32:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-14 18:32:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-14 18:32:09,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:32:09,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818419916] [2021-12-14 18:32:09,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818419916] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:32:09,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:32:09,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:32:09,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875272210] [2021-12-14 18:32:09,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:32:09,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:32:09,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:32:09,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:32:09,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:32:09,545 INFO L87 Difference]: Start difference. First operand has 1716 states, 1195 states have (on average 1.3179916317991631) internal successors, (1575), 1211 states have internal predecessors, (1575), 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) [2021-12-14 18:32:11,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:32:11,839 INFO L93 Difference]: Finished difference Result 5059 states and 7250 transitions. [2021-12-14 18:32:11,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:32:11,842 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 [2021-12-14 18:32:11,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:32:11,873 INFO L225 Difference]: With dead ends: 5059 [2021-12-14 18:32:11,873 INFO L226 Difference]: Without dead ends: 3375 [2021-12-14 18:32:11,887 INFO L932 BasicCegarLoop]: 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 [2021-12-14 18:32:11,889 INFO L933 BasicCegarLoop]: 2679 mSDtfsCounter, 2776 mSDsluCounter, 3278 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 956 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3022 SdHoareTripleChecker+Valid, 5957 SdHoareTripleChecker+Invalid, 2099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 956 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:32:11,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3022 Valid, 5957 Invalid, 2099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [956 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-14 18:32:11,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3375 states. [2021-12-14 18:32:12,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3375 to 3189. [2021-12-14 18:32:12,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3189 states, 2244 states have (on average 1.3199643493761142) internal successors, (2962), 2274 states have internal predecessors, (2962), 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) [2021-12-14 18:32:12,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 3189 states and 4476 transitions. [2021-12-14 18:32:12,197 INFO L78 Accepts]: Start accepts. Automaton has 3189 states and 4476 transitions. Word has length 241 [2021-12-14 18:32:12,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:32:12,201 INFO L470 AbstractCegarLoop]: Abstraction has 3189 states and 4476 transitions. [2021-12-14 18:32:12,201 INFO L471 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) [2021-12-14 18:32:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 4476 transitions. [2021-12-14 18:32:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-14 18:32:12,208 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:32:12,209 INFO L514 BasicCegarLoop]: 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] [2021-12-14 18:32:12,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:32:12,209 INFO L402 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)] === [2021-12-14 18:32:12,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:32:12,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1323994548, now seen corresponding path program 1 times [2021-12-14 18:32:12,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:32:12,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261173853] [2021-12-14 18:32:12,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:32:12,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:32:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:32:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:32:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:32:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:32:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:32:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:32:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:32:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:32:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:32:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:32:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:32:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:32:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:32:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:32:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:32:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:32:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:32:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:32:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:32:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:32:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-14 18:32:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-14 18:32:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2021-12-14 18:32:12,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:32:12,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261173853] [2021-12-14 18:32:12,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261173853] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:32:12,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:32:12,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:32:12,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265891011] [2021-12-14 18:32:12,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:32:12,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:32:12,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:32:12,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:32:12,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:32:12,696 INFO L87 Difference]: Start difference. First operand 3189 states and 4476 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-14 18:32:14,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:32:14,865 INFO L93 Difference]: Finished difference Result 7200 states and 10027 transitions. [2021-12-14 18:32:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:32:14,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 269 [2021-12-14 18:32:14,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:32:14,884 INFO L225 Difference]: With dead ends: 7200 [2021-12-14 18:32:14,884 INFO L226 Difference]: Without dead ends: 4054 [2021-12-14 18:32:14,896 INFO L932 BasicCegarLoop]: 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 [2021-12-14 18:32:14,897 INFO L933 BasicCegarLoop]: 2650 mSDtfsCounter, 1992 mSDsluCounter, 3327 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 850 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2187 SdHoareTripleChecker+Valid, 5977 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 850 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:32:14,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2187 Valid, 5977 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [850 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-14 18:32:14,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4054 states. [2021-12-14 18:32:14,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4054 to 3755. [2021-12-14 18:32:14,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 2604 states have (on average 1.293010752688172) internal successors, (3367), 2648 states have internal predecessors, (3367), 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) [2021-12-14 18:32:14,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 5117 transitions. [2021-12-14 18:32:15,000 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 5117 transitions. Word has length 269 [2021-12-14 18:32:15,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:32:15,000 INFO L470 AbstractCegarLoop]: Abstraction has 3755 states and 5117 transitions. [2021-12-14 18:32:15,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-14 18:32:15,001 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 5117 transitions. [2021-12-14 18:32:15,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-12-14 18:32:15,005 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:32:15,005 INFO L514 BasicCegarLoop]: 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] [2021-12-14 18:32:15,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:32:15,006 INFO L402 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)] === [2021-12-14 18:32:15,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:32:15,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1996046415, now seen corresponding path program 1 times [2021-12-14 18:32:15,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:32:15,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565623153] [2021-12-14 18:32:15,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:32:15,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:32:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:32:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:32:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:32:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:32:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:32:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:32:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:32:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:32:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:32:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:32:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:32:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:32:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:32:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:32:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:32:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:32:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:32:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:32:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:32:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:32:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-14 18:32:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-14 18:32:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-14 18:32:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-14 18:32:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-14 18:32:15,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:32:15,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565623153] [2021-12-14 18:32:15,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565623153] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:32:15,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:32:15,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:32:15,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275453447] [2021-12-14 18:32:15,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:32:15,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:32:15,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:32:15,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:32:15,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:32:15,450 INFO L87 Difference]: Start difference. First operand 3755 states and 5117 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 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) [2021-12-14 18:32:16,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:32:16,924 INFO L93 Difference]: Finished difference Result 6835 states and 9329 transitions. [2021-12-14 18:32:16,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:32:16,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 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 [2021-12-14 18:32:16,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:32:16,943 INFO L225 Difference]: With dead ends: 6835 [2021-12-14 18:32:16,943 INFO L226 Difference]: Without dead ends: 3123 [2021-12-14 18:32:16,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:32:16,962 INFO L933 BasicCegarLoop]: 2171 mSDtfsCounter, 2344 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2539 SdHoareTripleChecker+Valid, 3361 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:32:16,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2539 Valid, 3361 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-14 18:32:16,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3123 states. [2021-12-14 18:32:17,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3123 to 2908. [2021-12-14 18:32:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2908 states, 2044 states have (on average 1.2852250489236792) internal successors, (2627), 2059 states have internal predecessors, (2627), 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) [2021-12-14 18:32:17,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 3923 transitions. [2021-12-14 18:32:17,083 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 3923 transitions. Word has length 295 [2021-12-14 18:32:17,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:32:17,084 INFO L470 AbstractCegarLoop]: Abstraction has 2908 states and 3923 transitions. [2021-12-14 18:32:17,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 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) [2021-12-14 18:32:17,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 3923 transitions. [2021-12-14 18:32:17,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-14 18:32:17,090 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:32:17,090 INFO L514 BasicCegarLoop]: 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] [2021-12-14 18:32:17,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:32:17,091 INFO L402 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)] === [2021-12-14 18:32:17,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:32:17,091 INFO L85 PathProgramCache]: Analyzing trace with hash 916585238, now seen corresponding path program 1 times [2021-12-14 18:32:17,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:32:17,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746578836] [2021-12-14 18:32:17,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:32:17,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:32:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:32:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:32:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:32:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:32:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:32:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:32:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:32:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:32:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:32:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:32:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:32:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:32:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:32:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:32:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:32:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:32:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:32:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:32:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:32:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:32:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-14 18:32:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:32:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:32:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:32:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:32:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-14 18:32:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:17,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2021-12-14 18:32:17,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:32:17,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746578836] [2021-12-14 18:32:17,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746578836] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:32:17,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:32:17,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:32:17,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71410193] [2021-12-14 18:32:17,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:32:17,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:32:17,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:32:17,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:32:17,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:32:17,837 INFO L87 Difference]: Start difference. First operand 2908 states and 3923 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) [2021-12-14 18:32:19,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:32:19,850 INFO L93 Difference]: Finished difference Result 3210 states and 4411 transitions. [2021-12-14 18:32:19,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 18:32:19,851 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 [2021-12-14 18:32:19,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:32:19,867 INFO L225 Difference]: With dead ends: 3210 [2021-12-14 18:32:19,867 INFO L226 Difference]: Without dead ends: 3208 [2021-12-14 18:32:19,871 INFO L932 BasicCegarLoop]: 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 [2021-12-14 18:32:19,872 INFO L933 BasicCegarLoop]: 2125 mSDtfsCounter, 2701 mSDsluCounter, 4946 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 1021 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2903 SdHoareTripleChecker+Valid, 7071 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1021 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:32:19,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2903 Valid, 7071 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1021 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-14 18:32:19,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2021-12-14 18:32:19,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2912. [2021-12-14 18:32:19,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2912 states, 2047 states have (on average 1.2848070346849048) internal successors, (2630), 2062 states have internal predecessors, (2630), 650 states have call successors, (650), 213 states have call predecessors, (650), 212 states have return successors, (646), 641 states have call predecessors, (646), 646 states have call successors, (646) [2021-12-14 18:32:19,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 3926 transitions. [2021-12-14 18:32:19,961 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 3926 transitions. Word has length 302 [2021-12-14 18:32:19,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:32:19,961 INFO L470 AbstractCegarLoop]: Abstraction has 2912 states and 3926 transitions. [2021-12-14 18:32:19,962 INFO L471 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) [2021-12-14 18:32:19,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 3926 transitions. [2021-12-14 18:32:19,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-12-14 18:32:19,966 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:32:19,967 INFO L514 BasicCegarLoop]: 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] [2021-12-14 18:32:19,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:32:19,967 INFO L402 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)] === [2021-12-14 18:32:19,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:32:19,968 INFO L85 PathProgramCache]: Analyzing trace with hash -256952123, now seen corresponding path program 1 times [2021-12-14 18:32:19,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:32:19,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223188967] [2021-12-14 18:32:19,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:32:19,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:32:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:32:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:32:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:32:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:32:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:32:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:32:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:32:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:32:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:32:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:32:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:32:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:32:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:32:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:32:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:32:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:32:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:32:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:32:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:32:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:32:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-14 18:32:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:32:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:32:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:32:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:32:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-14 18:32:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-14 18:32:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:20,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2021-12-14 18:32:20,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:32:20,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223188967] [2021-12-14 18:32:20,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223188967] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:32:20,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:32:20,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:32:20,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131229449] [2021-12-14 18:32:20,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:32:20,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:32:20,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:32:20,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:32:20,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:32:20,551 INFO L87 Difference]: Start difference. First operand 2912 states and 3926 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) [2021-12-14 18:32:24,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:32:24,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:32:24,558 INFO L93 Difference]: Finished difference Result 3214 states and 4414 transitions. [2021-12-14 18:32:24,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 18:32:24,559 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 [2021-12-14 18:32:24,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:32:24,575 INFO L225 Difference]: With dead ends: 3214 [2021-12-14 18:32:24,575 INFO L226 Difference]: Without dead ends: 3212 [2021-12-14 18:32:24,577 INFO L932 BasicCegarLoop]: 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 [2021-12-14 18:32:24,578 INFO L933 BasicCegarLoop]: 2130 mSDtfsCounter, 2363 mSDsluCounter, 5888 mSDsCounter, 0 mSdLazyCounter, 1839 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2563 SdHoareTripleChecker+Valid, 8018 SdHoareTripleChecker+Invalid, 2445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 1839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:32:24,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2563 Valid, 8018 Invalid, 2445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 1839 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-14 18:32:24,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2021-12-14 18:32:24,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 2916. [2021-12-14 18:32:24,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 2050 states have (on average 1.284390243902439) internal successors, (2633), 2065 states have internal predecessors, (2633), 650 states have call successors, (650), 214 states have call predecessors, (650), 213 states have return successors, (646), 641 states have call predecessors, (646), 646 states have call successors, (646) [2021-12-14 18:32:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 3929 transitions. [2021-12-14 18:32:24,689 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 3929 transitions. Word has length 307 [2021-12-14 18:32:24,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:32:24,689 INFO L470 AbstractCegarLoop]: Abstraction has 2916 states and 3929 transitions. [2021-12-14 18:32:24,690 INFO L471 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) [2021-12-14 18:32:24,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3929 transitions. [2021-12-14 18:32:24,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-12-14 18:32:24,695 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:32:24,696 INFO L514 BasicCegarLoop]: 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] [2021-12-14 18:32:24,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 18:32:24,696 INFO L402 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)] === [2021-12-14 18:32:24,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:32:24,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1460291393, now seen corresponding path program 1 times [2021-12-14 18:32:24,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:32:24,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407988681] [2021-12-14 18:32:24,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:32:24,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:32:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:32:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:32:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:32:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:32:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:32:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:32:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:32:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:32:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:32:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:32:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:32:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:32:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:32:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:32:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:32:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:32:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:32:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:32:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:32:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:32:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-14 18:32:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:32:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:32:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:32:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:32:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-14 18:32:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 18:32:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-14 18:32:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-14 18:32:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:25,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2021-12-14 18:32:25,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:32:25,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407988681] [2021-12-14 18:32:25,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407988681] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:32:25,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:32:25,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:32:25,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465720212] [2021-12-14 18:32:25,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:32:25,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:32:25,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:32:25,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:32:25,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:32:25,143 INFO L87 Difference]: Start difference. First operand 2916 states and 3929 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) [2021-12-14 18:32:27,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:32:27,722 INFO L93 Difference]: Finished difference Result 7677 states and 10557 transitions. [2021-12-14 18:32:27,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:32:27,722 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 [2021-12-14 18:32:27,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:32:27,744 INFO L225 Difference]: With dead ends: 7677 [2021-12-14 18:32:27,744 INFO L226 Difference]: Without dead ends: 5344 [2021-12-14 18:32:27,752 INFO L932 BasicCegarLoop]: 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 [2021-12-14 18:32:27,752 INFO L933 BasicCegarLoop]: 3936 mSDtfsCounter, 2560 mSDsluCounter, 4006 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 1132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2771 SdHoareTripleChecker+Valid, 7942 SdHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1132 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:32:27,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2771 Valid, 7942 Invalid, 2561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1132 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-14 18:32:27,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2021-12-14 18:32:27,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 4836. [2021-12-14 18:32:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4836 states, 3423 states have (on average 1.294770669003798) internal successors, (4432), 3441 states have internal predecessors, (4432), 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) [2021-12-14 18:32:27,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4836 states to 4836 states and 6566 transitions. [2021-12-14 18:32:27,891 INFO L78 Accepts]: Start accepts. Automaton has 4836 states and 6566 transitions. Word has length 321 [2021-12-14 18:32:27,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:32:27,891 INFO L470 AbstractCegarLoop]: Abstraction has 4836 states and 6566 transitions. [2021-12-14 18:32:27,891 INFO L471 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) [2021-12-14 18:32:27,892 INFO L276 IsEmpty]: Start isEmpty. Operand 4836 states and 6566 transitions. [2021-12-14 18:32:27,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-12-14 18:32:27,896 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:32:27,897 INFO L514 BasicCegarLoop]: 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] [2021-12-14 18:32:27,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 18:32:27,897 INFO L402 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)] === [2021-12-14 18:32:27,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:32:27,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1189263306, now seen corresponding path program 1 times [2021-12-14 18:32:27,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:32:27,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109085875] [2021-12-14 18:32:27,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:32:27,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:32:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:32:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:32:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:32:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:32:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:32:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:32:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:32:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:32:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:32:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:32:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:32:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:32:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:32:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:32:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:32:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:32:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:32:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:32:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:32:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:32:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-14 18:32:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:32:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:32:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:32:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:32:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-14 18:32:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-14 18:32:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-14 18:32:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:28,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2021-12-14 18:32:28,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:32:28,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109085875] [2021-12-14 18:32:28,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109085875] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:32:28,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:32:28,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:32:28,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720605827] [2021-12-14 18:32:28,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:32:28,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:32:28,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:32:28,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:32:28,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:32:28,401 INFO L87 Difference]: Start difference. First operand 4836 states and 6566 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) [2021-12-14 18:32:30,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:32:30,317 INFO L93 Difference]: Finished difference Result 5326 states and 7356 transitions. [2021-12-14 18:32:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 18:32:30,318 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 [2021-12-14 18:32:30,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:32:30,345 INFO L225 Difference]: With dead ends: 5326 [2021-12-14 18:32:30,345 INFO L226 Difference]: Without dead ends: 5324 [2021-12-14 18:32:30,348 INFO L932 BasicCegarLoop]: 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 [2021-12-14 18:32:30,349 INFO L933 BasicCegarLoop]: 2129 mSDtfsCounter, 2690 mSDsluCounter, 4949 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 1019 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2891 SdHoareTripleChecker+Valid, 7078 SdHoareTripleChecker+Invalid, 2283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1019 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-14 18:32:30,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2891 Valid, 7078 Invalid, 2283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1019 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-14 18:32:30,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2021-12-14 18:32:30,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 4840. [2021-12-14 18:32:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4840 states, 3426 states have (on average 1.2945125510799766) internal successors, (4435), 3444 states have internal predecessors, (4435), 1069 states have call successors, (1069), 343 states have call predecessors, (1069), 342 states have return successors, (1065), 1060 states have call predecessors, (1065), 1065 states have call successors, (1065) [2021-12-14 18:32:30,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4840 states to 4840 states and 6569 transitions. [2021-12-14 18:32:30,498 INFO L78 Accepts]: Start accepts. Automaton has 4840 states and 6569 transitions. Word has length 312 [2021-12-14 18:32:30,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:32:30,499 INFO L470 AbstractCegarLoop]: Abstraction has 4840 states and 6569 transitions. [2021-12-14 18:32:30,499 INFO L471 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) [2021-12-14 18:32:30,499 INFO L276 IsEmpty]: Start isEmpty. Operand 4840 states and 6569 transitions. [2021-12-14 18:32:30,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-12-14 18:32:30,505 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:32:30,505 INFO L514 BasicCegarLoop]: 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] [2021-12-14 18:32:30,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 18:32:30,505 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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)] === [2021-12-14 18:32:30,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:32:30,506 INFO L85 PathProgramCache]: Analyzing trace with hash -645551354, now seen corresponding path program 1 times [2021-12-14 18:32:30,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:32:30,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212217782] [2021-12-14 18:32:30,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:32:30,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:32:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:32:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:32:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:32:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:32:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:32:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:32:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:32:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:32:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:32:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:32:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:32:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:32:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:32:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:32:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:32:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:32:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:32:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:32:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:32:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:32:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-14 18:32:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:32:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:32:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-14 18:32:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:32:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:32:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:32:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-14 18:32:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-14 18:32:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-14 18:32:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:32:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-14 18:32:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2021-12-14 18:32:30,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:32:30,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212217782] [2021-12-14 18:32:30,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212217782] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:32:30,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:32:30,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:32:30,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409079323] [2021-12-14 18:32:30,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:32:30,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:32:30,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:32:30,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:32:30,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:32:30,887 INFO L87 Difference]: Start difference. First operand 4840 states and 6569 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) [2021-12-14 18:32:33,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:32:33,028 INFO L93 Difference]: Finished difference Result 13696 states and 18748 transitions. [2021-12-14 18:32:33,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:32:33,029 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 [2021-12-14 18:32:33,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:32:33,064 INFO L225 Difference]: With dead ends: 13696 [2021-12-14 18:32:33,064 INFO L226 Difference]: Without dead ends: 8920 [2021-12-14 18:32:33,084 INFO L932 BasicCegarLoop]: 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 [2021-12-14 18:32:33,085 INFO L933 BasicCegarLoop]: 2482 mSDtfsCounter, 2578 mSDsluCounter, 3137 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2789 SdHoareTripleChecker+Valid, 5619 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 913 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:32:33,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2789 Valid, 5619 Invalid, 2006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [913 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-14 18:32:33,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8920 states. [2021-12-14 18:32:33,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8920 to 8260. [2021-12-14 18:32:33,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8260 states, 5906 states have (on average 1.296139519133085) internal successors, (7655), 5944 states have internal predecessors, (7655), 1774 states have call successors, (1774), 578 states have call predecessors, (1774), 577 states have return successors, (1770), 1753 states have call predecessors, (1770), 1770 states have call successors, (1770) [2021-12-14 18:32:33,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8260 states to 8260 states and 11199 transitions. [2021-12-14 18:32:33,352 INFO L78 Accepts]: Start accepts. Automaton has 8260 states and 11199 transitions. Word has length 332 [2021-12-14 18:32:33,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:32:33,353 INFO L470 AbstractCegarLoop]: Abstraction has 8260 states and 11199 transitions. [2021-12-14 18:32:33,353 INFO L471 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) [2021-12-14 18:32:33,353 INFO L276 IsEmpty]: Start isEmpty. Operand 8260 states and 11199 transitions. [2021-12-14 18:32:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-12-14 18:32:33,358 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:32:33,358 INFO L514 BasicCegarLoop]: 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] [2021-12-14 18:32:33,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 18:32:33,358 INFO L402 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)] === [2021-12-14 18:32:33,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:32:33,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1594969893, now seen corresponding path program 1 times [2021-12-14 18:32:33,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:32:33,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266350535] [2021-12-14 18:32:33,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:32:33,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:32:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:32:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:32:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:32:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:32:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:32:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:32:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:32:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:32:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:32:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:32:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:32:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:32:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:32:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:32:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:32:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:32:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:32:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:32:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:32:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:32:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-14 18:32:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:32:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:32:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:32:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:32:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-14 18:32:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-14 18:32:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-14 18:32:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-14 18:32:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:33,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2021-12-14 18:32:33,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:32:33,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266350535] [2021-12-14 18:32:33,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266350535] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:32:33,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:32:33,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:32:33,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562454020] [2021-12-14 18:32:33,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:32:33,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:32:33,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:32:33,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:32:33,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:32:33,891 INFO L87 Difference]: Start difference. First operand 8260 states and 11199 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) [2021-12-14 18:32:35,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:32:35,807 INFO L93 Difference]: Finished difference Result 9148 states and 12617 transitions. [2021-12-14 18:32:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 18:32:35,811 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 [2021-12-14 18:32:35,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:32:35,847 INFO L225 Difference]: With dead ends: 9148 [2021-12-14 18:32:35,847 INFO L226 Difference]: Without dead ends: 9146 [2021-12-14 18:32:35,855 INFO L932 BasicCegarLoop]: 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 [2021-12-14 18:32:35,857 INFO L933 BasicCegarLoop]: 2130 mSDtfsCounter, 2691 mSDsluCounter, 4952 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 1018 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2892 SdHoareTripleChecker+Valid, 7082 SdHoareTripleChecker+Invalid, 2282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1018 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-14 18:32:35,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2892 Valid, 7082 Invalid, 2282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1018 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-14 18:32:35,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9146 states. [2021-12-14 18:32:36,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9146 to 8264. [2021-12-14 18:32:36,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8264 states, 5909 states have (on average 1.2959891690641394) internal successors, (7658), 5947 states have internal predecessors, (7658), 1774 states have call successors, (1774), 579 states have call predecessors, (1774), 578 states have return successors, (1770), 1753 states have call predecessors, (1770), 1770 states have call successors, (1770) [2021-12-14 18:32:36,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8264 states to 8264 states and 11202 transitions. [2021-12-14 18:32:36,138 INFO L78 Accepts]: Start accepts. Automaton has 8264 states and 11202 transitions. Word has length 317 [2021-12-14 18:32:36,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:32:36,139 INFO L470 AbstractCegarLoop]: Abstraction has 8264 states and 11202 transitions. [2021-12-14 18:32:36,139 INFO L471 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) [2021-12-14 18:32:36,139 INFO L276 IsEmpty]: Start isEmpty. Operand 8264 states and 11202 transitions. [2021-12-14 18:32:36,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-12-14 18:32:36,145 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:32:36,145 INFO L514 BasicCegarLoop]: 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] [2021-12-14 18:32:36,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-14 18:32:36,145 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:32:36,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:32:36,146 INFO L85 PathProgramCache]: Analyzing trace with hash 648306006, now seen corresponding path program 1 times [2021-12-14 18:32:36,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:32:36,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826588709] [2021-12-14 18:32:36,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:32:36,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:32:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:32:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:32:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:32:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:32:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:32:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:32:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:32:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:32:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:32:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:32:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:32:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:32:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:32:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:32:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:32:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:32:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:32:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:32:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:32:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:32:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-14 18:32:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:32:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:32:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:32:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:32:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-14 18:32:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-14 18:32:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-14 18:32:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-14 18:32:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-14 18:32:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2021-12-14 18:32:36,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:32:36,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826588709] [2021-12-14 18:32:36,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826588709] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:32:36,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:32:36,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:32:36,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729035517] [2021-12-14 18:32:36,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:32:36,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:32:36,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:32:36,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:32:36,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:32:36,612 INFO L87 Difference]: Start difference. First operand 8264 states and 11202 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) [2021-12-14 18:32:42,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:32:42,024 INFO L93 Difference]: Finished difference Result 17684 states and 24453 transitions. [2021-12-14 18:32:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-14 18:32:42,025 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 [2021-12-14 18:32:42,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:32:42,102 INFO L225 Difference]: With dead ends: 17684 [2021-12-14 18:32:42,103 INFO L226 Difference]: Without dead ends: 17680 [2021-12-14 18:32:42,116 INFO L932 BasicCegarLoop]: 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 [2021-12-14 18:32:42,116 INFO L933 BasicCegarLoop]: 2676 mSDtfsCounter, 2681 mSDsluCounter, 9231 mSDsCounter, 0 mSdLazyCounter, 2875 mSolverCounterSat, 960 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2907 SdHoareTripleChecker+Valid, 11907 SdHoareTripleChecker+Invalid, 3835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 960 IncrementalHoareTripleChecker+Valid, 2875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:32:42,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2907 Valid, 11907 Invalid, 3835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [960 Valid, 2875 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-14 18:32:42,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17680 states. [2021-12-14 18:32:42,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17680 to 15994. [2021-12-14 18:32:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15994 states, 11414 states have (on average 1.2977921850359209) internal successors, (14813), 11509 states have internal predecessors, (14813), 3453 states have call successors, (3453), 1119 states have call predecessors, (3453), 1124 states have return successors, (3561), 3393 states have call predecessors, (3561), 3445 states have call successors, (3561) [2021-12-14 18:32:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15994 states to 15994 states and 21827 transitions. [2021-12-14 18:32:42,649 INFO L78 Accepts]: Start accepts. Automaton has 15994 states and 21827 transitions. Word has length 322 [2021-12-14 18:32:42,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:32:42,649 INFO L470 AbstractCegarLoop]: Abstraction has 15994 states and 21827 transitions. [2021-12-14 18:32:42,650 INFO L471 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) [2021-12-14 18:32:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 15994 states and 21827 transitions. [2021-12-14 18:32:42,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-12-14 18:32:42,654 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:32:42,655 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 6, 5, 5, 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] [2021-12-14 18:32:42,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-14 18:32:42,655 INFO L402 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)] === [2021-12-14 18:32:42,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:32:42,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1622073690, now seen corresponding path program 1 times [2021-12-14 18:32:42,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:32:42,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802397263] [2021-12-14 18:32:42,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:32:42,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:32:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:32:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:32:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:32:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:32:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:32:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:32:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:32:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:32:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:32:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:32:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:32:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:32:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:32:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:32:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:32:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:32:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:32:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:32:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:32:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:32:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-14 18:32:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:32:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:32:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:32:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:32:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-14 18:32:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 18:32:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-14 18:32:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-14 18:32:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:42,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-14 18:32:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:43,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:32:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:43,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-14 18:32:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:43,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1840 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1825 trivial. 0 not checked. [2021-12-14 18:32:43,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:32:43,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802397263] [2021-12-14 18:32:43,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802397263] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:32:43,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:32:43,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:32:43,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063796418] [2021-12-14 18:32:43,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:32:43,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:32:43,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:32:43,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:32:43,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:32:43,082 INFO L87 Difference]: Start difference. First operand 15994 states and 21827 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, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-14 18:32:46,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:32:46,097 INFO L93 Difference]: Finished difference Result 40888 states and 56467 transitions. [2021-12-14 18:32:46,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:32:46,097 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, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 336 [2021-12-14 18:32:46,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:32:46,212 INFO L225 Difference]: With dead ends: 40888 [2021-12-14 18:32:46,212 INFO L226 Difference]: Without dead ends: 25260 [2021-12-14 18:32:46,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:32:46,374 INFO L933 BasicCegarLoop]: 3984 mSDtfsCounter, 2505 mSDsluCounter, 6151 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 1056 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2718 SdHoareTripleChecker+Valid, 10135 SdHoareTripleChecker+Invalid, 3251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1056 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:32:46,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2718 Valid, 10135 Invalid, 3251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1056 Valid, 2195 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-14 18:32:46,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25260 states. [2021-12-14 18:32:46,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25260 to 23000. [2021-12-14 18:32:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23000 states, 16458 states have (on average 1.3014339530927208) internal successors, (21419), 16576 states have internal predecessors, (21419), 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) [2021-12-14 18:32:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23000 states to 23000 states and 31475 transitions. [2021-12-14 18:32:47,061 INFO L78 Accepts]: Start accepts. Automaton has 23000 states and 31475 transitions. Word has length 336 [2021-12-14 18:32:47,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:32:47,062 INFO L470 AbstractCegarLoop]: Abstraction has 23000 states and 31475 transitions. [2021-12-14 18:32:47,062 INFO L471 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, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-14 18:32:47,062 INFO L276 IsEmpty]: Start isEmpty. Operand 23000 states and 31475 transitions. [2021-12-14 18:32:47,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-12-14 18:32:47,066 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:32:47,066 INFO L514 BasicCegarLoop]: 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] [2021-12-14 18:32:47,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-14 18:32:47,067 INFO L402 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)] === [2021-12-14 18:32:47,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:32:47,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1518640517, now seen corresponding path program 1 times [2021-12-14 18:32:47,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:32:47,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288545056] [2021-12-14 18:32:47,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:32:47,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:32:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:32:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:32:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:32:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:32:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:32:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:32:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:32:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:32:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:32:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:32:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:32:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:32:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:32:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:32:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:32:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:32:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:32:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:32:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:32:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:32:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-14 18:32:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:32:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:32:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:32:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:32:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-14 18:32:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-14 18:32:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-14 18:32:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-14 18:32:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-14 18:32:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-14 18:32:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2021-12-14 18:32:47,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:32:47,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288545056] [2021-12-14 18:32:47,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288545056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:32:47,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:32:47,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:32:47,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51333013] [2021-12-14 18:32:47,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:32:47,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:32:47,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:32:47,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:32:47,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:32:47,595 INFO L87 Difference]: Start difference. First operand 23000 states and 31475 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) [2021-12-14 18:32:50,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:32:50,068 INFO L93 Difference]: Finished difference Result 25262 states and 35038 transitions. [2021-12-14 18:32:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 18:32:50,069 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 [2021-12-14 18:32:50,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:32:50,156 INFO L225 Difference]: With dead ends: 25262 [2021-12-14 18:32:50,156 INFO L226 Difference]: Without dead ends: 24667 [2021-12-14 18:32:50,171 INFO L932 BasicCegarLoop]: 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 [2021-12-14 18:32:50,171 INFO L933 BasicCegarLoop]: 2130 mSDtfsCounter, 2694 mSDsluCounter, 4951 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 1023 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2897 SdHoareTripleChecker+Valid, 7081 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1023 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:32:50,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2897 Valid, 7081 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1023 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-14 18:32:50,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24667 states. [2021-12-14 18:32:50,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24667 to 22489. [2021-12-14 18:32:50,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22489 states, 16092 states have (on average 1.3026348496147153) internal successors, (20962), 16194 states have internal predecessors, (20962), 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) [2021-12-14 18:32:50,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22489 states to 22489 states and 30828 transitions. [2021-12-14 18:32:51,000 INFO L78 Accepts]: Start accepts. Automaton has 22489 states and 30828 transitions. Word has length 327 [2021-12-14 18:32:51,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:32:51,000 INFO L470 AbstractCegarLoop]: Abstraction has 22489 states and 30828 transitions. [2021-12-14 18:32:51,000 INFO L471 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) [2021-12-14 18:32:51,001 INFO L276 IsEmpty]: Start isEmpty. Operand 22489 states and 30828 transitions. [2021-12-14 18:32:51,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-12-14 18:32:51,008 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:32:51,008 INFO L514 BasicCegarLoop]: 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] [2021-12-14 18:32:51,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-14 18:32:51,009 INFO L402 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)] === [2021-12-14 18:32:51,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:32:51,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1868247389, now seen corresponding path program 1 times [2021-12-14 18:32:51,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:32:51,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768808513] [2021-12-14 18:32:51,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:32:51,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:32:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:32:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:32:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:32:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:32:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:32:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:32:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:32:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:32:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:32:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:32:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:32:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:32:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:32:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:32:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:32:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:32:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:32:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:32:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:32:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:32:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-14 18:32:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:32:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:32:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:32:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:32:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-14 18:32:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-14 18:32:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-14 18:32:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-14 18:32:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-14 18:32:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-14 18:32:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:32:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-14 18:32:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:32:51,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2218 trivial. 0 not checked. [2021-12-14 18:32:51,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:32:51,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768808513] [2021-12-14 18:32:51,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768808513] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:32:51,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:32:51,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:32:51,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944695268] [2021-12-14 18:32:51,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:32:51,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:32:51,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:32:51,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:32:51,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:32:51,347 INFO L87 Difference]: Start difference. First operand 22489 states and 30828 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) [2021-12-14 18:32:56,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:32:58,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:32:58,134 INFO L93 Difference]: Finished difference Result 54550 states and 75437 transitions. [2021-12-14 18:32:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:32:58,135 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 [2021-12-14 18:32:58,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:32:58,263 INFO L225 Difference]: With dead ends: 54550 [2021-12-14 18:32:58,263 INFO L226 Difference]: Without dead ends: 32019 [2021-12-14 18:32:58,356 INFO L932 BasicCegarLoop]: 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 [2021-12-14 18:32:58,356 INFO L933 BasicCegarLoop]: 3948 mSDtfsCounter, 2212 mSDsluCounter, 5735 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 625 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2423 SdHoareTripleChecker+Valid, 9683 SdHoareTripleChecker+Invalid, 3120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 625 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:32:58,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2423 Valid, 9683 Invalid, 3120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [625 Valid, 2495 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-14 18:32:58,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32019 states.