./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-net-ethernet-icplus-ipg.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-net-ethernet-icplus-ipg.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 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:18:58,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:18:58,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:18:58,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:18:58,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:18:58,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:18:58,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:18:58,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:18:58,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:18:58,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:18:58,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:18:58,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:18:58,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:18:58,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:18:58,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:18:58,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:18:58,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:18:58,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:18:58,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:18:58,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:18:58,405 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:18:58,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:18:58,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:18:58,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:18:58,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:18:58,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:18:58,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:18:58,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:18:58,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:18:58,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:18:58,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:18:58,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:18:58,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:18:58,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:18:58,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:18:58,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:18:58,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:18:58,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:18:58,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:18:58,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:18:58,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:18:58,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:18:58,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:18:58,453 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:18:58,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:18:58,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:18:58,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:18:58,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:18:58,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:18:58,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:18:58,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:18:58,456 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:18:58,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:18:58,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:18:58,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:18:58,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:18:58,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:18:58,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:18:58,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:18:58,458 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:18:58,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:18:58,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:18:58,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:18:58,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:18:58,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:18:58,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:18:58,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:18:58,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:18:58,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:18:58,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:18:58,461 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:18:58,461 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:18:58,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:18:58,462 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 [2022-07-23 02:18:58,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:18:58,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:18:58,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:18:58,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:18:58,701 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:18:58,702 INFO L432 ainManager$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-net-ethernet-icplus-ipg.cil.i [2022-07-23 02:18:58,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9787a978/24a79dd4d0604079b3fd8efb013d3b6f/FLAG7b3d82175 [2022-07-23 02:18:59,431 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:18:59,431 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-net-ethernet-icplus-ipg.cil.i [2022-07-23 02:18:59,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9787a978/24a79dd4d0604079b3fd8efb013d3b6f/FLAG7b3d82175 [2022-07-23 02:18:59,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9787a978/24a79dd4d0604079b3fd8efb013d3b6f [2022-07-23 02:18:59,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:18:59,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:18:59,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:18:59,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:18:59,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:18:59,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:18:59" (1/1) ... [2022-07-23 02:18:59,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78498d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:18:59, skipping insertion in model container [2022-07-23 02:18:59,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:18:59" (1/1) ... [2022-07-23 02:18:59,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:19:00,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:19:01,577 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-net-ethernet-icplus-ipg.cil.i[292221,292234] [2022-07-23 02:19:01,579 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-net-ethernet-icplus-ipg.cil.i[292387,292400] [2022-07-23 02:19:01,580 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-net-ethernet-icplus-ipg.cil.i[292551,292564] [2022-07-23 02:19:01,580 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-net-ethernet-icplus-ipg.cil.i[292716,292729] [2022-07-23 02:19:01,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:19:01,608 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:19:01,830 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-net-ethernet-icplus-ipg.cil.i[292221,292234] [2022-07-23 02:19:01,831 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-net-ethernet-icplus-ipg.cil.i[292387,292400] [2022-07-23 02:19:01,831 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-net-ethernet-icplus-ipg.cil.i[292551,292564] [2022-07-23 02:19:01,832 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-net-ethernet-icplus-ipg.cil.i[292716,292729] [2022-07-23 02:19:01,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:19:01,965 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:19:01,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:01 WrapperNode [2022-07-23 02:19:01,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:19:01,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:19:01,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:19:01,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:19:01,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:01" (1/1) ... [2022-07-23 02:19:02,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:01" (1/1) ... [2022-07-23 02:19:02,206 INFO L137 Inliner]: procedures = 357, calls = 1560, calls flagged for inlining = 197, calls inlined = 186, statements flattened = 4359 [2022-07-23 02:19:02,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:19:02,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:19:02,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:19:02,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:19:02,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:01" (1/1) ... [2022-07-23 02:19:02,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:01" (1/1) ... [2022-07-23 02:19:02,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:01" (1/1) ... [2022-07-23 02:19:02,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:01" (1/1) ... [2022-07-23 02:19:02,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:01" (1/1) ... [2022-07-23 02:19:02,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:01" (1/1) ... [2022-07-23 02:19:02,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:01" (1/1) ... [2022-07-23 02:19:02,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:19:02,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:19:02,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:19:02,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:19:02,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:01" (1/1) ... [2022-07-23 02:19:02,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:19:02,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:19:02,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 02:19:02,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 02:19:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2022-07-23 02:19:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2022-07-23 02:19:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-23 02:19:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-23 02:19:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:19:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:19:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:19:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:19:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:19:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:19:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2022-07-23 02:19:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2022-07-23 02:19:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:19:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:19:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:19:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:19:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:19:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:19:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2022-07-23 02:19:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2022-07-23 02:19:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 02:19:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 02:19:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 02:19:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 02:19:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2022-07-23 02:19:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2022-07-23 02:19:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 02:19:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 02:19:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:19:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:19:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-23 02:19:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-23 02:19:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2022-07-23 02:19:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2022-07-23 02:19:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-07-23 02:19:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-07-23 02:19:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 02:19:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 02:19:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:19:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:19:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 02:19:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 02:19:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 02:19:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 02:19:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2022-07-23 02:19:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2022-07-23 02:19:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2022-07-23 02:19:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2022-07-23 02:19:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2022-07-23 02:19:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2022-07-23 02:19:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:19:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:19:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:19:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-07-23 02:19:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-07-23 02:19:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:19:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:19:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:19:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 02:19:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 02:19:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-23 02:19:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-23 02:19:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:19:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:19:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:19:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:19:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-23 02:19:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-23 02:19:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2022-07-23 02:19:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2022-07-23 02:19:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 02:19:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 02:19:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2022-07-23 02:19:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2022-07-23 02:19:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:19:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:19:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 02:19:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 02:19:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2022-07-23 02:19:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2022-07-23 02:19:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:19:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:19:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2022-07-23 02:19:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2022-07-23 02:19:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:19:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:19:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:19:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:19:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-23 02:19:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-23 02:19:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 02:19:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-23 02:19:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-23 02:19:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:19:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:19:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2022-07-23 02:19:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2022-07-23 02:19:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2022-07-23 02:19:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2022-07-23 02:19:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2022-07-23 02:19:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2022-07-23 02:19:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 02:19:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:19:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:19:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 02:19:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 02:19:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 02:19:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-23 02:19:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-23 02:19:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 02:19:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 02:19:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:19:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:19:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:19:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:19:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:19:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:19:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 02:19:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 02:19:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:19:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:19:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:19:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:19:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:19:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:19:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-23 02:19:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-23 02:19:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-23 02:19:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-23 02:19:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 02:19:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 02:19:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 02:19:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:19:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:19:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-23 02:19:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-23 02:19:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:19:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:19:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2022-07-23 02:19:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2022-07-23 02:19:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2022-07-23 02:19:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2022-07-23 02:19:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2022-07-23 02:19:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2022-07-23 02:19:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2022-07-23 02:19:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2022-07-23 02:19:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:19:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2022-07-23 02:19:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2022-07-23 02:19:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:19:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:19:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:19:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:19:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2022-07-23 02:19:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2022-07-23 02:19:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:19:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:19:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:19:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:19:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:19:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:19:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2022-07-23 02:19:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2022-07-23 02:19:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-23 02:19:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-23 02:19:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:19:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:19:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2022-07-23 02:19:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2022-07-23 02:19:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 02:19:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 02:19:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-23 02:19:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-23 02:19:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:19:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:19:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2022-07-23 02:19:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2022-07-23 02:19:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 02:19:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 02:19:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:19:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:19:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 02:19:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 02:19:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:19:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:19:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2022-07-23 02:19:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2022-07-23 02:19:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2022-07-23 02:19:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2022-07-23 02:19:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-23 02:19:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-23 02:19:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-23 02:19:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-23 02:19:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 02:19:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 02:19:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-23 02:19:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 02:19:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2022-07-23 02:19:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2022-07-23 02:19:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:19:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:19:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2022-07-23 02:19:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2022-07-23 02:19:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-23 02:19:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-23 02:19:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:19:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:19:03,277 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:19:03,279 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:19:03,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:19:06,481 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:19:06,524 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:19:06,536 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:19:06,537 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 02:19:06,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:19:06 BoogieIcfgContainer [2022-07-23 02:19:06,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:19:06,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:19:06,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:19:06,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:19:06,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:18:59" (1/3) ... [2022-07-23 02:19:06,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfd8e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:19:06, skipping insertion in model container [2022-07-23 02:19:06,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:01" (2/3) ... [2022-07-23 02:19:06,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfd8e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:19:06, skipping insertion in model container [2022-07-23 02:19:06,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:19:06" (3/3) ... [2022-07-23 02:19:06,546 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2022-07-23 02:19:06,556 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:19:06,556 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 02:19:06,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:19:06,618 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7b7ff787, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@32a8b691 [2022-07-23 02:19:06,619 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 02:19:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 1828 states, 1290 states have (on average 1.34031007751938) internal successors, (1729), 1325 states have internal predecessors, (1729), 443 states have call successors, (443), 95 states have call predecessors, (443), 94 states have return successors, (437), 434 states have call predecessors, (437), 437 states have call successors, (437) [2022-07-23 02:19:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-23 02:19:06,639 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:06,640 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:19:06,641 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:06,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:06,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1218556504, now seen corresponding path program 1 times [2022-07-23 02:19:06,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:06,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152963058] [2022-07-23 02:19:06,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:06,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-23 02:19:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:07,214 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-23 02:19:07,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:07,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152963058] [2022-07-23 02:19:07,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152963058] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:07,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:07,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:19:07,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215988490] [2022-07-23 02:19:07,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:07,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:19:07,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:07,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:19:07,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:19:07,242 INFO L87 Difference]: Start difference. First operand has 1828 states, 1290 states have (on average 1.34031007751938) internal successors, (1729), 1325 states have internal predecessors, (1729), 443 states have call successors, (443), 95 states have call predecessors, (443), 94 states have return successors, (437), 434 states have call predecessors, (437), 437 states have call successors, (437) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-23 02:19:11,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:19:11,062 INFO L93 Difference]: Finished difference Result 5488 states and 8071 transitions. [2022-07-23 02:19:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:19:11,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2022-07-23 02:19:11,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:19:11,093 INFO L225 Difference]: With dead ends: 5488 [2022-07-23 02:19:11,093 INFO L226 Difference]: Without dead ends: 3671 [2022-07-23 02:19:11,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:19:11,112 INFO L413 NwaCegarLoop]: 2594 mSDtfsCounter, 3451 mSDsluCounter, 2203 mSDsCounter, 0 mSdLazyCounter, 2092 mSolverCounterSat, 1386 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3844 SdHoareTripleChecker+Valid, 4797 SdHoareTripleChecker+Invalid, 3478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:19:11,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3844 Valid, 4797 Invalid, 3478 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1386 Valid, 2092 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-23 02:19:11,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3671 states. [2022-07-23 02:19:11,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3671 to 3523. [2022-07-23 02:19:11,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3523 states, 2498 states have (on average 1.2598078462770217) internal successors, (3147), 2565 states have internal predecessors, (3147), 838 states have call successors, (838), 185 states have call predecessors, (838), 184 states have return successors, (834), 828 states have call predecessors, (834), 834 states have call successors, (834) [2022-07-23 02:19:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3523 states and 4819 transitions. [2022-07-23 02:19:11,418 INFO L78 Accepts]: Start accepts. Automaton has 3523 states and 4819 transitions. Word has length 116 [2022-07-23 02:19:11,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:19:11,420 INFO L495 AbstractCegarLoop]: Abstraction has 3523 states and 4819 transitions. [2022-07-23 02:19:11,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-23 02:19:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 4819 transitions. [2022-07-23 02:19:11,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-23 02:19:11,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:11,428 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:19:11,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 02:19:11,429 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:11,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:11,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1007361032, now seen corresponding path program 1 times [2022-07-23 02:19:11,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:11,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783014356] [2022-07-23 02:19:11,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:11,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-23 02:19:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-23 02:19:11,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:11,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783014356] [2022-07-23 02:19:11,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783014356] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:11,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:11,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:19:11,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275835009] [2022-07-23 02:19:11,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:11,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:19:11,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:11,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:19:11,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:19:11,679 INFO L87 Difference]: Start difference. First operand 3523 states and 4819 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-23 02:19:14,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:19:14,925 INFO L93 Difference]: Finished difference Result 10503 states and 14429 transitions. [2022-07-23 02:19:14,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:19:14,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 117 [2022-07-23 02:19:14,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:19:14,970 INFO L225 Difference]: With dead ends: 10503 [2022-07-23 02:19:14,970 INFO L226 Difference]: Without dead ends: 7001 [2022-07-23 02:19:14,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:19:14,985 INFO L413 NwaCegarLoop]: 2571 mSDtfsCounter, 3268 mSDsluCounter, 2178 mSDsCounter, 0 mSdLazyCounter, 2077 mSolverCounterSat, 1378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3642 SdHoareTripleChecker+Valid, 4749 SdHoareTripleChecker+Invalid, 3455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1378 IncrementalHoareTripleChecker+Valid, 2077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:19:14,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3642 Valid, 4749 Invalid, 3455 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1378 Valid, 2077 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-23 02:19:14,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7001 states. [2022-07-23 02:19:15,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7001 to 6692. [2022-07-23 02:19:15,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6692 states, 4729 states have (on average 1.2590399661662084) internal successors, (5954), 4859 states have internal predecessors, (5954), 1597 states have call successors, (1597), 366 states have call predecessors, (1597), 363 states have return successors, (1595), 1572 states have call predecessors, (1595), 1593 states have call successors, (1595) [2022-07-23 02:19:15,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6692 states to 6692 states and 9146 transitions. [2022-07-23 02:19:15,180 INFO L78 Accepts]: Start accepts. Automaton has 6692 states and 9146 transitions. Word has length 117 [2022-07-23 02:19:15,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:19:15,181 INFO L495 AbstractCegarLoop]: Abstraction has 6692 states and 9146 transitions. [2022-07-23 02:19:15,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-23 02:19:15,181 INFO L276 IsEmpty]: Start isEmpty. Operand 6692 states and 9146 transitions. [2022-07-23 02:19:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-23 02:19:15,188 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:15,188 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:19:15,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 02:19:15,188 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:15,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:15,189 INFO L85 PathProgramCache]: Analyzing trace with hash 874247055, now seen corresponding path program 1 times [2022-07-23 02:19:15,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:15,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90034885] [2022-07-23 02:19:15,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:15,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 02:19:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-23 02:19:15,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:15,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90034885] [2022-07-23 02:19:15,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90034885] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:15,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:15,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:19:15,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355093275] [2022-07-23 02:19:15,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:15,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:19:15,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:15,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:19:15,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:19:15,487 INFO L87 Difference]: Start difference. First operand 6692 states and 9146 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-23 02:19:18,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:19:18,235 INFO L93 Difference]: Finished difference Result 13423 states and 18434 transitions. [2022-07-23 02:19:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:19:18,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2022-07-23 02:19:18,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:19:18,278 INFO L225 Difference]: With dead ends: 13423 [2022-07-23 02:19:18,279 INFO L226 Difference]: Without dead ends: 6752 [2022-07-23 02:19:18,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:19:18,306 INFO L413 NwaCegarLoop]: 3051 mSDtfsCounter, 2588 mSDsluCounter, 2353 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 1069 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2907 SdHoareTripleChecker+Valid, 5404 SdHoareTripleChecker+Invalid, 3094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1069 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:19:18,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2907 Valid, 5404 Invalid, 3094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1069 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-23 02:19:18,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6752 states. [2022-07-23 02:19:18,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6752 to 6466. [2022-07-23 02:19:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6466 states, 4619 states have (on average 1.264126434293137) internal successors, (5839), 4745 states have internal predecessors, (5839), 1495 states have call successors, (1495), 353 states have call predecessors, (1495), 349 states have return successors, (1492), 1469 states have call predecessors, (1492), 1491 states have call successors, (1492) [2022-07-23 02:19:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6466 states to 6466 states and 8826 transitions. [2022-07-23 02:19:18,529 INFO L78 Accepts]: Start accepts. Automaton has 6466 states and 8826 transitions. Word has length 128 [2022-07-23 02:19:18,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:19:18,530 INFO L495 AbstractCegarLoop]: Abstraction has 6466 states and 8826 transitions. [2022-07-23 02:19:18,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-23 02:19:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 6466 states and 8826 transitions. [2022-07-23 02:19:18,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-23 02:19:18,533 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:18,534 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-07-23 02:19:18,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 02:19:18,534 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:18,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:18,534 INFO L85 PathProgramCache]: Analyzing trace with hash -503849637, now seen corresponding path program 1 times [2022-07-23 02:19:18,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:18,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215316872] [2022-07-23 02:19:18,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:18,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:19:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:19:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:19:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 02:19:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 02:19:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 02:19:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:19:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-07-23 02:19:18,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:18,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215316872] [2022-07-23 02:19:18,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215316872] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:18,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:18,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:19:18,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775410769] [2022-07-23 02:19:18,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:18,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:19:18,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:18,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:19:18,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:19:18,823 INFO L87 Difference]: Start difference. First operand 6466 states and 8826 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-23 02:19:22,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:19:22,317 INFO L93 Difference]: Finished difference Result 17944 states and 24608 transitions. [2022-07-23 02:19:22,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:19:22,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2022-07-23 02:19:22,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:19:22,377 INFO L225 Difference]: With dead ends: 17944 [2022-07-23 02:19:22,378 INFO L226 Difference]: Without dead ends: 12330 [2022-07-23 02:19:22,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:19:22,398 INFO L413 NwaCegarLoop]: 3520 mSDtfsCounter, 3019 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 2079 mSolverCounterSat, 1191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3407 SdHoareTripleChecker+Valid, 6123 SdHoareTripleChecker+Invalid, 3270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1191 IncrementalHoareTripleChecker+Valid, 2079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:19:22,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3407 Valid, 6123 Invalid, 3270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1191 Valid, 2079 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-23 02:19:22,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12330 states. [2022-07-23 02:19:22,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12330 to 11821. [2022-07-23 02:19:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11821 states, 8455 states have (on average 1.2638675340035481) internal successors, (10686), 8677 states have internal predecessors, (10686), 2723 states have call successors, (2723), 645 states have call predecessors, (2723), 640 states have return successors, (2721), 2688 states have call predecessors, (2721), 2719 states have call successors, (2721) [2022-07-23 02:19:22,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11821 states to 11821 states and 16130 transitions. [2022-07-23 02:19:22,754 INFO L78 Accepts]: Start accepts. Automaton has 11821 states and 16130 transitions. Word has length 172 [2022-07-23 02:19:22,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:19:22,756 INFO L495 AbstractCegarLoop]: Abstraction has 11821 states and 16130 transitions. [2022-07-23 02:19:22,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-23 02:19:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 11821 states and 16130 transitions. [2022-07-23 02:19:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-23 02:19:22,759 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:22,759 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-07-23 02:19:22,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 02:19:22,760 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:22,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:22,760 INFO L85 PathProgramCache]: Analyzing trace with hash -363301027, now seen corresponding path program 1 times [2022-07-23 02:19:22,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:22,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960300829] [2022-07-23 02:19:22,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:22,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:19:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:22,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:19:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:23,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:19:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:23,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 02:19:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:23,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:23,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 02:19:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:23,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 02:19:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:23,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:19:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:23,034 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-07-23 02:19:23,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:23,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960300829] [2022-07-23 02:19:23,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960300829] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:23,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:23,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:19:23,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512062902] [2022-07-23 02:19:23,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:23,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:19:23,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:23,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:19:23,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:19:23,036 INFO L87 Difference]: Start difference. First operand 11821 states and 16130 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 02:19:25,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:19:25,774 INFO L93 Difference]: Finished difference Result 12332 states and 16930 transitions. [2022-07-23 02:19:25,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:19:25,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 172 [2022-07-23 02:19:25,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:19:25,873 INFO L225 Difference]: With dead ends: 12332 [2022-07-23 02:19:25,874 INFO L226 Difference]: Without dead ends: 12330 [2022-07-23 02:19:25,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:19:25,884 INFO L413 NwaCegarLoop]: 2310 mSDtfsCounter, 2726 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 2827 mSolverCounterSat, 962 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2961 SdHoareTripleChecker+Valid, 5839 SdHoareTripleChecker+Invalid, 3789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 962 IncrementalHoareTripleChecker+Valid, 2827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:19:25,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2961 Valid, 5839 Invalid, 3789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [962 Valid, 2827 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-23 02:19:25,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12330 states. [2022-07-23 02:19:26,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12330 to 11825. [2022-07-23 02:19:26,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11825 states, 8458 states have (on average 1.2637739418302198) internal successors, (10689), 8680 states have internal predecessors, (10689), 2723 states have call successors, (2723), 646 states have call predecessors, (2723), 641 states have return successors, (2721), 2688 states have call predecessors, (2721), 2719 states have call successors, (2721) [2022-07-23 02:19:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11825 states to 11825 states and 16133 transitions. [2022-07-23 02:19:26,262 INFO L78 Accepts]: Start accepts. Automaton has 11825 states and 16133 transitions. Word has length 172 [2022-07-23 02:19:26,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:19:26,263 INFO L495 AbstractCegarLoop]: Abstraction has 11825 states and 16133 transitions. [2022-07-23 02:19:26,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 02:19:26,263 INFO L276 IsEmpty]: Start isEmpty. Operand 11825 states and 16133 transitions. [2022-07-23 02:19:26,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-23 02:19:26,267 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:26,267 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-07-23 02:19:26,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 02:19:26,268 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:26,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:26,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1410975244, now seen corresponding path program 1 times [2022-07-23 02:19:26,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:26,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247048179] [2022-07-23 02:19:26,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:26,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:19:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:19:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:19:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 02:19:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 02:19:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 02:19:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:19:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:19:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-07-23 02:19:26,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:26,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247048179] [2022-07-23 02:19:26,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247048179] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:26,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:26,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:19:26,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595861133] [2022-07-23 02:19:26,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:26,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:19:26,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:26,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:19:26,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:19:26,562 INFO L87 Difference]: Start difference. First operand 11825 states and 16133 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 02:19:29,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:19:29,102 INFO L93 Difference]: Finished difference Result 12336 states and 16933 transitions. [2022-07-23 02:19:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:19:29,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2022-07-23 02:19:29,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:19:29,214 INFO L225 Difference]: With dead ends: 12336 [2022-07-23 02:19:29,214 INFO L226 Difference]: Without dead ends: 12334 [2022-07-23 02:19:29,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:19:29,222 INFO L413 NwaCegarLoop]: 2313 mSDtfsCounter, 2718 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 2827 mSolverCounterSat, 961 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2953 SdHoareTripleChecker+Valid, 5842 SdHoareTripleChecker+Invalid, 3788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 961 IncrementalHoareTripleChecker+Valid, 2827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:19:29,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2953 Valid, 5842 Invalid, 3788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [961 Valid, 2827 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-23 02:19:29,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12334 states. [2022-07-23 02:19:29,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12334 to 11829. [2022-07-23 02:19:29,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11829 states, 8461 states have (on average 1.2636804160264745) internal successors, (10692), 8683 states have internal predecessors, (10692), 2723 states have call successors, (2723), 647 states have call predecessors, (2723), 642 states have return successors, (2721), 2688 states have call predecessors, (2721), 2719 states have call successors, (2721) [2022-07-23 02:19:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11829 states to 11829 states and 16136 transitions. [2022-07-23 02:19:29,592 INFO L78 Accepts]: Start accepts. Automaton has 11829 states and 16136 transitions. Word has length 177 [2022-07-23 02:19:29,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:19:29,593 INFO L495 AbstractCegarLoop]: Abstraction has 11829 states and 16136 transitions. [2022-07-23 02:19:29,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 02:19:29,593 INFO L276 IsEmpty]: Start isEmpty. Operand 11829 states and 16136 transitions. [2022-07-23 02:19:29,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-23 02:19:29,597 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:29,597 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 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] [2022-07-23 02:19:29,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 02:19:29,598 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:29,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:29,598 INFO L85 PathProgramCache]: Analyzing trace with hash 532046973, now seen corresponding path program 1 times [2022-07-23 02:19:29,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:29,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809336475] [2022-07-23 02:19:29,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:29,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:19:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:19:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:19:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 02:19:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 02:19:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 02:19:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:19:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:19:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:19:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-07-23 02:19:29,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:29,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809336475] [2022-07-23 02:19:29,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809336475] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:29,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:29,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:19:29,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773510641] [2022-07-23 02:19:29,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:29,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:19:29,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:29,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:19:29,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:19:29,847 INFO L87 Difference]: Start difference. First operand 11829 states and 16136 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-23 02:19:32,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:19:32,260 INFO L93 Difference]: Finished difference Result 12340 states and 16936 transitions. [2022-07-23 02:19:32,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 02:19:32,261 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 182 [2022-07-23 02:19:32,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:19:32,304 INFO L225 Difference]: With dead ends: 12340 [2022-07-23 02:19:32,304 INFO L226 Difference]: Without dead ends: 12336 [2022-07-23 02:19:32,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:19:32,316 INFO L413 NwaCegarLoop]: 2308 mSDtfsCounter, 2703 mSDsluCounter, 3530 mSDsCounter, 0 mSdLazyCounter, 2841 mSolverCounterSat, 962 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2930 SdHoareTripleChecker+Valid, 5838 SdHoareTripleChecker+Invalid, 3803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 962 IncrementalHoareTripleChecker+Valid, 2841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:19:32,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2930 Valid, 5838 Invalid, 3803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [962 Valid, 2841 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-23 02:19:32,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12336 states. [2022-07-23 02:19:32,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12336 to 11831. [2022-07-23 02:19:32,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11831 states, 8463 states have (on average 1.2634999409192957) internal successors, (10693), 8684 states have internal predecessors, (10693), 2723 states have call successors, (2723), 648 states have call predecessors, (2723), 642 states have return successors, (2721), 2688 states have call predecessors, (2721), 2719 states have call successors, (2721) [2022-07-23 02:19:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11831 states to 11831 states and 16137 transitions. [2022-07-23 02:19:32,638 INFO L78 Accepts]: Start accepts. Automaton has 11831 states and 16137 transitions. Word has length 182 [2022-07-23 02:19:32,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:19:32,643 INFO L495 AbstractCegarLoop]: Abstraction has 11831 states and 16137 transitions. [2022-07-23 02:19:32,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-23 02:19:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 11831 states and 16137 transitions. [2022-07-23 02:19:32,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-23 02:19:32,655 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:32,655 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 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] [2022-07-23 02:19:32,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 02:19:32,655 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:32,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:32,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1807926164, now seen corresponding path program 1 times [2022-07-23 02:19:32,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:32,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545528603] [2022-07-23 02:19:32,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:32,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:19:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:19:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:19:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 02:19:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 02:19:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 02:19:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:19:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:19:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:19:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:19:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2022-07-23 02:19:32,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:32,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545528603] [2022-07-23 02:19:32,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545528603] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:32,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:32,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:19:32,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628530089] [2022-07-23 02:19:32,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:32,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:19:32,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:32,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:19:32,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:19:32,920 INFO L87 Difference]: Start difference. First operand 11831 states and 16137 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-23 02:19:35,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:19:35,229 INFO L93 Difference]: Finished difference Result 12336 states and 16932 transitions. [2022-07-23 02:19:35,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:19:35,230 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 187 [2022-07-23 02:19:35,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:19:35,276 INFO L225 Difference]: With dead ends: 12336 [2022-07-23 02:19:35,277 INFO L226 Difference]: Without dead ends: 12265 [2022-07-23 02:19:35,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:19:35,286 INFO L413 NwaCegarLoop]: 2305 mSDtfsCounter, 2718 mSDsluCounter, 3520 mSDsCounter, 0 mSdLazyCounter, 2819 mSolverCounterSat, 960 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2952 SdHoareTripleChecker+Valid, 5825 SdHoareTripleChecker+Invalid, 3779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 960 IncrementalHoareTripleChecker+Valid, 2819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:19:35,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2952 Valid, 5825 Invalid, 3779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [960 Valid, 2819 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 02:19:35,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12265 states. [2022-07-23 02:19:35,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12265 to 11760. [2022-07-23 02:19:35,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11760 states, 8429 states have (on average 1.2631391624154704) internal successors, (10647), 8638 states have internal predecessors, (10647), 2692 states have call successors, (2692), 639 states have call predecessors, (2692), 637 states have return successors, (2694), 2672 states have call predecessors, (2694), 2692 states have call successors, (2694) [2022-07-23 02:19:35,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11760 states to 11760 states and 16033 transitions. [2022-07-23 02:19:35,648 INFO L78 Accepts]: Start accepts. Automaton has 11760 states and 16033 transitions. Word has length 187 [2022-07-23 02:19:35,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:19:35,649 INFO L495 AbstractCegarLoop]: Abstraction has 11760 states and 16033 transitions. [2022-07-23 02:19:35,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-23 02:19:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 11760 states and 16033 transitions. [2022-07-23 02:19:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-07-23 02:19:35,654 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:35,655 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-07-23 02:19:35,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 02:19:35,655 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:35,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:35,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1221266900, now seen corresponding path program 1 times [2022-07-23 02:19:35,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:35,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601475402] [2022-07-23 02:19:35,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:35,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:19:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:19:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:19:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:19:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:19:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 02:19:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:19:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 02:19:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-07-23 02:19:35,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:35,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601475402] [2022-07-23 02:19:35,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601475402] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:35,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:35,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:19:35,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592437625] [2022-07-23 02:19:35,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:35,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:19:35,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:35,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:19:35,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:19:35,929 INFO L87 Difference]: Start difference. First operand 11760 states and 16033 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-23 02:19:38,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:19:38,735 INFO L93 Difference]: Finished difference Result 27651 states and 37876 transitions. [2022-07-23 02:19:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:19:38,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 192 [2022-07-23 02:19:38,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:19:38,806 INFO L225 Difference]: With dead ends: 27651 [2022-07-23 02:19:38,806 INFO L226 Difference]: Without dead ends: 16743 [2022-07-23 02:19:38,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:19:38,847 INFO L413 NwaCegarLoop]: 3881 mSDtfsCounter, 2170 mSDsluCounter, 2691 mSDsCounter, 0 mSdLazyCounter, 1989 mSolverCounterSat, 866 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2486 SdHoareTripleChecker+Valid, 6572 SdHoareTripleChecker+Invalid, 2855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 866 IncrementalHoareTripleChecker+Valid, 1989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:19:38,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2486 Valid, 6572 Invalid, 2855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [866 Valid, 1989 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-23 02:19:38,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16743 states. [2022-07-23 02:19:39,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16743 to 16044. [2022-07-23 02:19:39,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16044 states, 11537 states have (on average 1.2643668197971742) internal successors, (14587), 11818 states have internal predecessors, (14587), 3636 states have call successors, (3636), 871 states have call predecessors, (3636), 869 states have return successors, (3638), 3614 states have call predecessors, (3638), 3636 states have call successors, (3638) [2022-07-23 02:19:39,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16044 states to 16044 states and 21861 transitions. [2022-07-23 02:19:39,490 INFO L78 Accepts]: Start accepts. Automaton has 16044 states and 21861 transitions. Word has length 192 [2022-07-23 02:19:39,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:19:39,491 INFO L495 AbstractCegarLoop]: Abstraction has 16044 states and 21861 transitions. [2022-07-23 02:19:39,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-23 02:19:39,491 INFO L276 IsEmpty]: Start isEmpty. Operand 16044 states and 21861 transitions. [2022-07-23 02:19:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-23 02:19:39,506 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:39,506 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1] [2022-07-23 02:19:39,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 02:19:39,507 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:39,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:39,507 INFO L85 PathProgramCache]: Analyzing trace with hash -229194647, now seen corresponding path program 1 times [2022-07-23 02:19:39,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:39,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974847409] [2022-07-23 02:19:39,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:39,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:19:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:19:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:19:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:19:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:19:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 02:19:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:19:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:19:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:19:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:19:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:19:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:19:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:19:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 02:19:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:19:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:19:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-23 02:19:39,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:39,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974847409] [2022-07-23 02:19:39,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974847409] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:39,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:39,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:19:39,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212893800] [2022-07-23 02:19:39,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:39,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:19:39,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:39,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:19:39,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:19:39,845 INFO L87 Difference]: Start difference. First operand 16044 states and 21861 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-23 02:19:43,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:19:43,251 INFO L93 Difference]: Finished difference Result 36375 states and 49760 transitions. [2022-07-23 02:19:43,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:19:43,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 266 [2022-07-23 02:19:43,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:19:43,335 INFO L225 Difference]: With dead ends: 36375 [2022-07-23 02:19:43,336 INFO L226 Difference]: Without dead ends: 21183 [2022-07-23 02:19:43,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:19:43,395 INFO L413 NwaCegarLoop]: 3907 mSDtfsCounter, 2166 mSDsluCounter, 2722 mSDsCounter, 0 mSdLazyCounter, 1978 mSolverCounterSat, 855 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2480 SdHoareTripleChecker+Valid, 6629 SdHoareTripleChecker+Invalid, 2833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 855 IncrementalHoareTripleChecker+Valid, 1978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:19:43,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2480 Valid, 6629 Invalid, 2833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [855 Valid, 1978 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-23 02:19:43,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21183 states. [2022-07-23 02:19:44,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21183 to 20296. [2022-07-23 02:19:44,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20296 states, 14625 states have (on average 1.2654358974358975) internal successors, (18507), 14978 states have internal predecessors, (18507), 4568 states have call successors, (4568), 1103 states have call predecessors, (4568), 1101 states have return successors, (4570), 4544 states have call predecessors, (4570), 4568 states have call successors, (4570) [2022-07-23 02:19:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20296 states to 20296 states and 27645 transitions. [2022-07-23 02:19:44,155 INFO L78 Accepts]: Start accepts. Automaton has 20296 states and 27645 transitions. Word has length 266 [2022-07-23 02:19:44,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:19:44,156 INFO L495 AbstractCegarLoop]: Abstraction has 20296 states and 27645 transitions. [2022-07-23 02:19:44,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-23 02:19:44,156 INFO L276 IsEmpty]: Start isEmpty. Operand 20296 states and 27645 transitions. [2022-07-23 02:19:44,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-23 02:19:44,171 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:44,171 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1] [2022-07-23 02:19:44,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 02:19:44,172 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:44,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:44,172 INFO L85 PathProgramCache]: Analyzing trace with hash 430336875, now seen corresponding path program 1 times [2022-07-23 02:19:44,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:44,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690324699] [2022-07-23 02:19:44,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:44,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:19:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:19:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:19:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:19:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:19:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 02:19:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:19:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:19:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:19:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:19:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:19:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:19:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:19:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 02:19:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:19:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:19:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-23 02:19:44,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:44,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690324699] [2022-07-23 02:19:44,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690324699] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:44,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:44,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:19:44,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732037918] [2022-07-23 02:19:44,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:44,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:19:44,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:44,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:19:44,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:19:44,380 INFO L87 Difference]: Start difference. First operand 20296 states and 27645 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-23 02:19:47,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:19:47,230 INFO L93 Difference]: Finished difference Result 45543 states and 62252 transitions. [2022-07-23 02:19:47,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:19:47,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 266 [2022-07-23 02:19:47,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:19:47,326 INFO L225 Difference]: With dead ends: 45543 [2022-07-23 02:19:47,326 INFO L226 Difference]: Without dead ends: 26099 [2022-07-23 02:19:47,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:19:47,373 INFO L413 NwaCegarLoop]: 3919 mSDtfsCounter, 2511 mSDsluCounter, 2457 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 6376 SdHoareTripleChecker+Invalid, 2770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 903 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:19:47,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2871 Valid, 6376 Invalid, 2770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [903 Valid, 1867 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-23 02:19:47,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26099 states. [2022-07-23 02:19:48,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26099 to 24952. [2022-07-23 02:19:48,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24952 states, 18003 states have (on average 1.2651780258845748) internal successors, (22777), 18432 states have internal predecessors, (22777), 5584 states have call successors, (5584), 1365 states have call predecessors, (5584), 1363 states have return successors, (5586), 5558 states have call predecessors, (5586), 5584 states have call successors, (5586) [2022-07-23 02:19:48,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24952 states to 24952 states and 33947 transitions. [2022-07-23 02:19:48,286 INFO L78 Accepts]: Start accepts. Automaton has 24952 states and 33947 transitions. Word has length 266 [2022-07-23 02:19:48,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:19:48,288 INFO L495 AbstractCegarLoop]: Abstraction has 24952 states and 33947 transitions. [2022-07-23 02:19:48,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-23 02:19:48,288 INFO L276 IsEmpty]: Start isEmpty. Operand 24952 states and 33947 transitions. [2022-07-23 02:19:48,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-07-23 02:19:48,314 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:48,315 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:19:48,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 02:19:48,315 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:48,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:48,316 INFO L85 PathProgramCache]: Analyzing trace with hash -2066419215, now seen corresponding path program 1 times [2022-07-23 02:19:48,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:48,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337173845] [2022-07-23 02:19:48,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:48,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:19:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:19:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:19:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:19:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:19:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 02:19:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:19:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:19:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:19:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:19:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:19:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:19:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:19:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 02:19:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:19:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:19:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:19:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:19:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 02:19:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:19:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2022-07-23 02:19:48,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:48,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337173845] [2022-07-23 02:19:48,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337173845] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:48,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:48,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:19:48,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556977890] [2022-07-23 02:19:48,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:48,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:19:48,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:48,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:19:48,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:19:48,582 INFO L87 Difference]: Start difference. First operand 24952 states and 33947 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 02:19:51,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:19:51,878 INFO L93 Difference]: Finished difference Result 54631 states and 74614 transitions. [2022-07-23 02:19:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:19:51,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 321 [2022-07-23 02:19:51,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:19:51,994 INFO L225 Difference]: With dead ends: 54631 [2022-07-23 02:19:51,994 INFO L226 Difference]: Without dead ends: 30531 [2022-07-23 02:19:52,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:19:52,056 INFO L413 NwaCegarLoop]: 3782 mSDtfsCounter, 2166 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 1980 mSolverCounterSat, 879 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2481 SdHoareTripleChecker+Valid, 6406 SdHoareTripleChecker+Invalid, 2859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 879 IncrementalHoareTripleChecker+Valid, 1980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:19:52,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2481 Valid, 6406 Invalid, 2859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [879 Valid, 1980 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-23 02:19:52,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30531 states. [2022-07-23 02:19:52,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30531 to 29196. [2022-07-23 02:19:52,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29196 states, 21087 states have (on average 1.2658509982453645) internal successors, (26693), 21588 states have internal predecessors, (26693), 6516 states have call successors, (6516), 1593 states have call predecessors, (6516), 1591 states have return successors, (6518), 6488 states have call predecessors, (6518), 6516 states have call successors, (6518) [2022-07-23 02:19:53,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29196 states to 29196 states and 39727 transitions. [2022-07-23 02:19:53,039 INFO L78 Accepts]: Start accepts. Automaton has 29196 states and 39727 transitions. Word has length 321 [2022-07-23 02:19:53,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:19:53,040 INFO L495 AbstractCegarLoop]: Abstraction has 29196 states and 39727 transitions. [2022-07-23 02:19:53,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 02:19:53,040 INFO L276 IsEmpty]: Start isEmpty. Operand 29196 states and 39727 transitions. [2022-07-23 02:19:53,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-07-23 02:19:53,065 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:53,065 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:19:53,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 02:19:53,066 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:53,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:53,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1406887693, now seen corresponding path program 1 times [2022-07-23 02:19:53,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:53,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553868229] [2022-07-23 02:19:53,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:53,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:19:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:19:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:19:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:19:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:19:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 02:19:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:19:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:19:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:19:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:19:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:19:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:19:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:19:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 02:19:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:19:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:19:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:19:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:19:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 02:19:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:19:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2022-07-23 02:19:53,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:53,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553868229] [2022-07-23 02:19:53,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553868229] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:53,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:53,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:19:53,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772781838] [2022-07-23 02:19:53,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:53,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:19:53,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:53,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:19:53,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:19:53,345 INFO L87 Difference]: Start difference. First operand 29196 states and 39727 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 02:19:57,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:19:57,332 INFO L93 Difference]: Finished difference Result 63355 states and 86522 transitions. [2022-07-23 02:19:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:19:57,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 321 [2022-07-23 02:19:57,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:19:57,518 INFO L225 Difference]: With dead ends: 63355 [2022-07-23 02:19:57,519 INFO L226 Difference]: Without dead ends: 35011 [2022-07-23 02:19:57,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:19:57,624 INFO L413 NwaCegarLoop]: 3902 mSDtfsCounter, 2193 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 1982 mSolverCounterSat, 859 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2507 SdHoareTripleChecker+Valid, 6626 SdHoareTripleChecker+Invalid, 2841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 859 IncrementalHoareTripleChecker+Valid, 1982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:19:57,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 6626 Invalid, 2841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [859 Valid, 1982 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-23 02:19:57,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35011 states. [2022-07-23 02:19:58,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35011 to 33488. [2022-07-23 02:19:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33488 states, 24211 states have (on average 1.2662426169922762) internal successors, (30657), 24784 states have internal predecessors, (30657), 7452 states have call successors, (7452), 1825 states have call predecessors, (7452), 1823 states have return successors, (7454), 7422 states have call predecessors, (7454), 7452 states have call successors, (7454) [2022-07-23 02:19:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33488 states to 33488 states and 45563 transitions. [2022-07-23 02:19:58,850 INFO L78 Accepts]: Start accepts. Automaton has 33488 states and 45563 transitions. Word has length 321 [2022-07-23 02:19:58,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:19:58,850 INFO L495 AbstractCegarLoop]: Abstraction has 33488 states and 45563 transitions. [2022-07-23 02:19:58,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 02:19:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 33488 states and 45563 transitions. [2022-07-23 02:19:58,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-07-23 02:19:58,879 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:19:58,879 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:19:58,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 02:19:58,880 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:19:58,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:19:58,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1177003373, now seen corresponding path program 1 times [2022-07-23 02:19:58,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:19:58,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708563135] [2022-07-23 02:19:58,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:19:58,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:19:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:58,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:19:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:58,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:58,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:19:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:58,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:19:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:19:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:19:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:19:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:19:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:19:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:19:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:19:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:19:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:19:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:19:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:19:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 02:19:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:19:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:19:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:19:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:19:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:19:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:19:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:19:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 02:19:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:19:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:19:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:19:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:19:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 02:19:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 02:19:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-23 02:19:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:19:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-23 02:19:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 02:19:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:19:59,144 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-07-23 02:19:59,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:19:59,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708563135] [2022-07-23 02:19:59,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708563135] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:19:59,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:19:59,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:19:59,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519170643] [2022-07-23 02:19:59,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:19:59,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:19:59,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:19:59,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:19:59,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:19:59,146 INFO L87 Difference]: Start difference. First operand 33488 states and 45563 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 02:20:04,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:20:04,409 INFO L93 Difference]: Finished difference Result 72471 states and 98898 transitions. [2022-07-23 02:20:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:20:04,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 362 [2022-07-23 02:20:04,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:20:04,679 INFO L225 Difference]: With dead ends: 72471 [2022-07-23 02:20:04,679 INFO L226 Difference]: Without dead ends: 39835 [2022-07-23 02:20:04,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:20:04,755 INFO L413 NwaCegarLoop]: 3860 mSDtfsCounter, 2276 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 6168 mSolverCounterSat, 905 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 10714 SdHoareTripleChecker+Invalid, 7073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 905 IncrementalHoareTripleChecker+Valid, 6168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:20:04,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2591 Valid, 10714 Invalid, 7073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [905 Valid, 6168 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 02:20:04,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39835 states. [2022-07-23 02:20:06,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39835 to 38078. [2022-07-23 02:20:06,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38078 states, 27509 states have (on average 1.2658766221963722) internal successors, (34823), 28162 states have internal predecessors, (34823), 8478 states have call successors, (8478), 2089 states have call predecessors, (8478), 2089 states have return successors, (8484), 8448 states have call predecessors, (8484), 8478 states have call successors, (8484) [2022-07-23 02:20:06,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38078 states to 38078 states and 51785 transitions. [2022-07-23 02:20:06,274 INFO L78 Accepts]: Start accepts. Automaton has 38078 states and 51785 transitions. Word has length 362 [2022-07-23 02:20:06,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:20:06,275 INFO L495 AbstractCegarLoop]: Abstraction has 38078 states and 51785 transitions. [2022-07-23 02:20:06,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 02:20:06,275 INFO L276 IsEmpty]: Start isEmpty. Operand 38078 states and 51785 transitions. [2022-07-23 02:20:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-23 02:20:06,304 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:20:06,304 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-23 02:20:06,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 02:20:06,305 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:20:06,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:20:06,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1575457600, now seen corresponding path program 1 times [2022-07-23 02:20:06,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:20:06,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276098473] [2022-07-23 02:20:06,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:20:06,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:20:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:20:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:20:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:20:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:20:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:20:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:20:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:20:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:20:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:20:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:20:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:20:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:20:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:20:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:20:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 02:20:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:20:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:20:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:20:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:20:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:20:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:20:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:20:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 02:20:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:20:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:20:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:20:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:20:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 02:20:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 02:20:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-23 02:20:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:20:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-23 02:20:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-07-23 02:20:06,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:20:06,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276098473] [2022-07-23 02:20:06,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276098473] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:20:06,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:20:06,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:20:06,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514507324] [2022-07-23 02:20:06,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:20:06,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:20:06,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:20:06,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:20:06,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:20:06,902 INFO L87 Difference]: Start difference. First operand 38078 states and 51785 transitions. Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 02:20:13,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:20:13,183 INFO L93 Difference]: Finished difference Result 81541 states and 111252 transitions. [2022-07-23 02:20:13,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:20:13,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 363 [2022-07-23 02:20:13,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:20:13,328 INFO L225 Difference]: With dead ends: 81541 [2022-07-23 02:20:13,328 INFO L226 Difference]: Without dead ends: 44315 [2022-07-23 02:20:13,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:20:13,397 INFO L413 NwaCegarLoop]: 3910 mSDtfsCounter, 2178 mSDsluCounter, 7009 mSDsCounter, 0 mSdLazyCounter, 6148 mSolverCounterSat, 853 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2493 SdHoareTripleChecker+Valid, 10919 SdHoareTripleChecker+Invalid, 7001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 853 IncrementalHoareTripleChecker+Valid, 6148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:20:13,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2493 Valid, 10919 Invalid, 7001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [853 Valid, 6148 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-23 02:20:13,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44315 states. [2022-07-23 02:20:14,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44315 to 42370. [2022-07-23 02:20:14,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42370 states, 30617 states have (on average 1.2660613384720907) internal successors, (38763), 31342 states have internal predecessors, (38763), 9418 states have call successors, (9418), 2329 states have call predecessors, (9418), 2333 states have return successors, (9428), 9390 states have call predecessors, (9428), 9418 states have call successors, (9428) [2022-07-23 02:20:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42370 states to 42370 states and 57609 transitions. [2022-07-23 02:20:14,861 INFO L78 Accepts]: Start accepts. Automaton has 42370 states and 57609 transitions. Word has length 363 [2022-07-23 02:20:14,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:20:14,862 INFO L495 AbstractCegarLoop]: Abstraction has 42370 states and 57609 transitions. [2022-07-23 02:20:14,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 02:20:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand 42370 states and 57609 transitions. [2022-07-23 02:20:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-23 02:20:14,888 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:20:14,888 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-23 02:20:14,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-23 02:20:14,889 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:20:14,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:20:14,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1306471600, now seen corresponding path program 1 times [2022-07-23 02:20:14,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:20:14,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249609288] [2022-07-23 02:20:14,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:20:14,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:20:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:14,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:20:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:20:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:20:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:20:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:20:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:20:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:20:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:20:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:20:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:20:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:20:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:20:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:20:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:20:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 02:20:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:20:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:20:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:20:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:20:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:20:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:20:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:20:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 02:20:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:20:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:20:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:20:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:20:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 02:20:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 02:20:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-23 02:20:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 02:20:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-23 02:20:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:15,169 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-07-23 02:20:15,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:20:15,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249609288] [2022-07-23 02:20:15,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249609288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:20:15,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:20:15,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:20:15,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366721951] [2022-07-23 02:20:15,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:20:15,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:20:15,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:20:15,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:20:15,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:20:15,173 INFO L87 Difference]: Start difference. First operand 42370 states and 57609 transitions. Second operand has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 02:20:19,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:20:19,883 INFO L93 Difference]: Finished difference Result 90257 states and 123144 transitions. [2022-07-23 02:20:19,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:20:19,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 364 [2022-07-23 02:20:19,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:20:20,065 INFO L225 Difference]: With dead ends: 90257 [2022-07-23 02:20:20,066 INFO L226 Difference]: Without dead ends: 48739 [2022-07-23 02:20:20,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:20:20,171 INFO L413 NwaCegarLoop]: 3900 mSDtfsCounter, 2166 mSDsluCounter, 6999 mSDsCounter, 0 mSdLazyCounter, 6147 mSolverCounterSat, 852 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2479 SdHoareTripleChecker+Valid, 10899 SdHoareTripleChecker+Invalid, 6999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 852 IncrementalHoareTripleChecker+Valid, 6147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:20:20,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2479 Valid, 10899 Invalid, 6999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [852 Valid, 6147 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-23 02:20:20,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48739 states. [2022-07-23 02:20:21,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48739 to 46606. [2022-07-23 02:20:21,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46606 states, 33693 states have (on average 1.2664648443296826) internal successors, (42671), 34490 states have internal predecessors, (42671), 10350 states have call successors, (10350), 2557 states have call predecessors, (10350), 2561 states have return successors, (10360), 10320 states have call predecessors, (10360), 10350 states have call successors, (10360) [2022-07-23 02:20:22,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46606 states to 46606 states and 63381 transitions. [2022-07-23 02:20:22,026 INFO L78 Accepts]: Start accepts. Automaton has 46606 states and 63381 transitions. Word has length 364 [2022-07-23 02:20:22,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:20:22,027 INFO L495 AbstractCegarLoop]: Abstraction has 46606 states and 63381 transitions. [2022-07-23 02:20:22,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 02:20:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 46606 states and 63381 transitions. [2022-07-23 02:20:22,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-07-23 02:20:22,070 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:20:22,071 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:20:22,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-23 02:20:22,072 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:20:22,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:20:22,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1081458507, now seen corresponding path program 1 times [2022-07-23 02:20:22,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:20:22,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102698914] [2022-07-23 02:20:22,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:20:22,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:20:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:20:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:20:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:20:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:20:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:20:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:20:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:20:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:20:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:20:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:20:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:20:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:20:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:20:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:20:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 02:20:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:20:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:20:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:20:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:20:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:20:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:20:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:20:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 02:20:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:20:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:20:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:20:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:20:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 02:20:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 02:20:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-23 02:20:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-23 02:20:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 02:20:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-23 02:20:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:22,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1075 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2022-07-23 02:20:22,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:20:22,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102698914] [2022-07-23 02:20:22,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102698914] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:20:22,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:20:22,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:20:22,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354163205] [2022-07-23 02:20:22,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:20:22,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:20:22,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:20:22,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:20:22,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:20:22,485 INFO L87 Difference]: Start difference. First operand 46606 states and 63381 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 02:20:26,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:20:26,753 INFO L93 Difference]: Finished difference Result 99075 states and 135154 transitions. [2022-07-23 02:20:26,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:20:26,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 379 [2022-07-23 02:20:26,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:20:26,981 INFO L225 Difference]: With dead ends: 99075 [2022-07-23 02:20:26,981 INFO L226 Difference]: Without dead ends: 53321 [2022-07-23 02:20:27,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:20:27,103 INFO L413 NwaCegarLoop]: 3941 mSDtfsCounter, 2201 mSDsluCounter, 2719 mSDsCounter, 0 mSdLazyCounter, 1978 mSolverCounterSat, 868 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2515 SdHoareTripleChecker+Valid, 6660 SdHoareTripleChecker+Invalid, 2846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 868 IncrementalHoareTripleChecker+Valid, 1978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:20:27,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2515 Valid, 6660 Invalid, 2846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [868 Valid, 1978 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-23 02:20:27,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53321 states. [2022-07-23 02:20:28,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53321 to 51008. [2022-07-23 02:20:28,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51008 states, 36863 states have (on average 1.2666630496704012) internal successors, (46693), 37740 states have internal predecessors, (46693), 11336 states have call successors, (11336), 2803 states have call predecessors, (11336), 2807 states have return successors, (11346), 11304 states have call predecessors, (11346), 11336 states have call successors, (11346) [2022-07-23 02:20:29,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51008 states to 51008 states and 69375 transitions. [2022-07-23 02:20:29,039 INFO L78 Accepts]: Start accepts. Automaton has 51008 states and 69375 transitions. Word has length 379 [2022-07-23 02:20:29,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:20:29,057 INFO L495 AbstractCegarLoop]: Abstraction has 51008 states and 69375 transitions. [2022-07-23 02:20:29,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 02:20:29,057 INFO L276 IsEmpty]: Start isEmpty. Operand 51008 states and 69375 transitions. [2022-07-23 02:20:29,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-07-23 02:20:29,111 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:20:29,112 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:20:29,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-23 02:20:29,112 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:20:29,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:20:29,112 INFO L85 PathProgramCache]: Analyzing trace with hash 768055372, now seen corresponding path program 1 times [2022-07-23 02:20:29,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:20:29,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641937155] [2022-07-23 02:20:29,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:20:29,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:20:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:20:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:20:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:20:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:20:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:20:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:20:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:20:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:20:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:20:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:20:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:20:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:20:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:20:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:20:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 02:20:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:20:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:20:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:20:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:20:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:20:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:20:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:20:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 02:20:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:20:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:20:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:20:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:20:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 02:20:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 02:20:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-23 02:20:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 02:20:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 02:20:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-23 02:20:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:29,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 51 proven. 15 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2022-07-23 02:20:29,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:20:29,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641937155] [2022-07-23 02:20:29,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641937155] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:20:29,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660453288] [2022-07-23 02:20:29,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:20:29,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:20:29,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:20:29,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 02:20:29,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 02:20:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:30,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 2689 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:20:30,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:20:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-23 02:20:30,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:20:30,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660453288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:20:30,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:20:30,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-23 02:20:30,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645802949] [2022-07-23 02:20:30,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:20:30,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:20:30,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:20:30,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:20:30,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:20:30,241 INFO L87 Difference]: Start difference. First operand 51008 states and 69375 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 02:20:32,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:20:32,326 INFO L93 Difference]: Finished difference Result 105474 states and 143501 transitions. [2022-07-23 02:20:32,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:20:32,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 386 [2022-07-23 02:20:32,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:20:32,702 INFO L225 Difference]: With dead ends: 105474 [2022-07-23 02:20:32,703 INFO L226 Difference]: Without dead ends: 55318 [2022-07-23 02:20:32,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:20:32,854 INFO L413 NwaCegarLoop]: 3028 mSDtfsCounter, 2213 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 4968 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:20:32,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2213 Valid, 4968 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:20:32,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55318 states. [2022-07-23 02:20:34,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55318 to 55312. [2022-07-23 02:20:34,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55312 states, 39999 states have (on average 1.267556688917223) internal successors, (50701), 40948 states have internal predecessors, (50701), 12272 states have call successors, (12272), 3035 states have call predecessors, (12272), 3039 states have return successors, (12282), 12238 states have call predecessors, (12282), 12272 states have call successors, (12282) [2022-07-23 02:20:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55312 states to 55312 states and 75255 transitions. [2022-07-23 02:20:34,964 INFO L78 Accepts]: Start accepts. Automaton has 55312 states and 75255 transitions. Word has length 386 [2022-07-23 02:20:34,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:20:34,965 INFO L495 AbstractCegarLoop]: Abstraction has 55312 states and 75255 transitions. [2022-07-23 02:20:34,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 02:20:34,965 INFO L276 IsEmpty]: Start isEmpty. Operand 55312 states and 75255 transitions. [2022-07-23 02:20:34,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-07-23 02:20:34,998 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:20:34,998 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:20:35,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:20:35,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-23 02:20:35,222 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:20:35,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:20:35,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1127014747, now seen corresponding path program 1 times [2022-07-23 02:20:35,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:20:35,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291744113] [2022-07-23 02:20:35,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:20:35,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:20:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:20:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:20:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:20:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:20:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:20:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:20:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:20:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:20:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:20:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:20:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:20:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:20:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:20:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:20:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 02:20:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:20:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:20:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:20:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:20:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:20:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:20:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:20:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 02:20:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:20:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:20:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:20:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:20:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 02:20:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 02:20:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-23 02:20:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:20:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-23 02:20:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 02:20:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 02:20:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:35,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2022-07-23 02:20:35,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:20:35,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291744113] [2022-07-23 02:20:35,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291744113] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:20:35,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:20:35,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:20:35,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400288210] [2022-07-23 02:20:35,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:20:35,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:20:35,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:20:35,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:20:35,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:20:35,551 INFO L87 Difference]: Start difference. First operand 55312 states and 75255 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 02:20:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:20:40,441 INFO L93 Difference]: Finished difference Result 116685 states and 159264 transitions. [2022-07-23 02:20:40,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:20:40,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 400 [2022-07-23 02:20:40,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:20:40,716 INFO L225 Difference]: With dead ends: 116685 [2022-07-23 02:20:40,716 INFO L226 Difference]: Without dead ends: 62225 [2022-07-23 02:20:40,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:20:40,859 INFO L413 NwaCegarLoop]: 3908 mSDtfsCounter, 2176 mSDsluCounter, 2722 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 852 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2490 SdHoareTripleChecker+Valid, 6630 SdHoareTripleChecker+Invalid, 2822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 852 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:20:40,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2490 Valid, 6630 Invalid, 2822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [852 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-23 02:20:40,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62225 states. [2022-07-23 02:20:42,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62225 to 59536. [2022-07-23 02:20:42,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59536 states, 43063 states have (on average 1.2678401411884912) internal successors, (54597), 44084 states have internal predecessors, (54597), 13204 states have call successors, (13204), 3263 states have call predecessors, (13204), 3267 states have return successors, (13214), 13168 states have call predecessors, (13214), 13204 states have call successors, (13214) [2022-07-23 02:20:43,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59536 states to 59536 states and 81015 transitions. [2022-07-23 02:20:43,186 INFO L78 Accepts]: Start accepts. Automaton has 59536 states and 81015 transitions. Word has length 400 [2022-07-23 02:20:43,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:20:43,187 INFO L495 AbstractCegarLoop]: Abstraction has 59536 states and 81015 transitions. [2022-07-23 02:20:43,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 02:20:43,187 INFO L276 IsEmpty]: Start isEmpty. Operand 59536 states and 81015 transitions. [2022-07-23 02:20:43,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-23 02:20:43,236 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:20:43,237 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:20:43,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-23 02:20:43,237 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:20:43,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:20:43,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1820916343, now seen corresponding path program 1 times [2022-07-23 02:20:43,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:20:43,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959639517] [2022-07-23 02:20:43,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:20:43,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:20:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:20:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:20:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:20:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:20:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:20:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:20:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:20:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:20:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:20:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 02:20:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:20:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:20:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:20:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:20:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 02:20:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:20:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:20:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:20:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:20:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:20:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:20:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:20:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 02:20:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:20:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:20:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:20:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:20:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 02:20:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 02:20:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-23 02:20:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 02:20:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 02:20:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-23 02:20:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:20:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 02:20:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 02:20:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:20:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1235 trivial. 0 not checked. [2022-07-23 02:20:43,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:20:43,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959639517] [2022-07-23 02:20:43,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959639517] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:20:43,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:20:43,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:20:43,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180069431] [2022-07-23 02:20:43,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:20:43,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:20:43,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:20:43,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:20:43,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:20:43,635 INFO L87 Difference]: Start difference. First operand 59536 states and 81015 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-23 02:20:49,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:20:49,954 INFO L93 Difference]: Finished difference Result 126859 states and 173012 transitions. [2022-07-23 02:20:49,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:20:49,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 418 [2022-07-23 02:20:49,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:20:50,221 INFO L225 Difference]: With dead ends: 126859 [2022-07-23 02:20:50,222 INFO L226 Difference]: Without dead ends: 68175 [2022-07-23 02:20:50,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:20:50,371 INFO L413 NwaCegarLoop]: 3752 mSDtfsCounter, 2350 mSDsluCounter, 6845 mSDsCounter, 0 mSdLazyCounter, 5954 mSolverCounterSat, 937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2664 SdHoareTripleChecker+Valid, 10597 SdHoareTripleChecker+Invalid, 6891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 937 IncrementalHoareTripleChecker+Valid, 5954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:20:50,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2664 Valid, 10597 Invalid, 6891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [937 Valid, 5954 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 02:20:50,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68175 states.