./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-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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-spinlock_drivers-net-ethernet-amd-amd8111e.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 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:46:47,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:46:47,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:46:47,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:46:47,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:46:47,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:46:47,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:46:47,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:46:47,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:46:47,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:46:47,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:46:47,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:46:47,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:46:47,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:46:47,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:46:47,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:46:47,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:46:47,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:46:47,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:46:47,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:46:47,392 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:46:47,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:46:47,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:46:47,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:46:47,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:46:47,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:46:47,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:46:47,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:46:47,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:46:47,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:46:47,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:46:47,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:46:47,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:46:47,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:46:47,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:46:47,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:46:47,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:46:47,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:46:47,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:46:47,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:46:47,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:46:47,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:46:47,419 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:46:47,451 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:46:47,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:46:47,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:46:47,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:46:47,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:46:47,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:46:47,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:46:47,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:46:47,455 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:46:47,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:46:47,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:46:47,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:46:47,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:46:47,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:46:47,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:46:47,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:46:47,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:46:47,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:46:47,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:46:47,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:46:47,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:46:47,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:46:47,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:46:47,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:46:47,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:46:47,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:46:47,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:46:47,460 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:46:47,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:46:47,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:46:47,460 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 [2022-07-21 13:46:47,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:46:47,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:46:47,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:46:47,794 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:46:47,794 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:46:47,796 INFO L432 ainManager$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-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2022-07-21 13:46:47,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5044b07eb/9962d49422d6431cada1ece294c2c7fa/FLAG0270516a4 [2022-07-21 13:46:48,590 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:46:48,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2022-07-21 13:46:48,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5044b07eb/9962d49422d6431cada1ece294c2c7fa/FLAG0270516a4 [2022-07-21 13:46:49,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5044b07eb/9962d49422d6431cada1ece294c2c7fa [2022-07-21 13:46:49,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:46:49,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:46:49,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:46:49,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:46:49,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:46:49,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:46:49" (1/1) ... [2022-07-21 13:46:49,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513320db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:46:49, skipping insertion in model container [2022-07-21 13:46:49,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:46:49" (1/1) ... [2022-07-21 13:46:49,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:46:49,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:46:51,400 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-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334651,334664] [2022-07-21 13:46:51,403 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-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334820,334833] [2022-07-21 13:46:51,403 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-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334987,335000] [2022-07-21 13:46:51,404 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-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335155,335168] [2022-07-21 13:46:51,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:46:51,480 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:46:51,771 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-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334651,334664] [2022-07-21 13:46:51,772 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-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334820,334833] [2022-07-21 13:46:51,772 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-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334987,335000] [2022-07-21 13:46:51,773 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-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335155,335168] [2022-07-21 13:46:51,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:46:51,989 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:46:51,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:46:51 WrapperNode [2022-07-21 13:46:51,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:46:51,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:46:51,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:46:51,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:46:51,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:46:51" (1/1) ... [2022-07-21 13:46:52,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:46:51" (1/1) ... [2022-07-21 13:46:52,308 INFO L137 Inliner]: procedures = 455, calls = 1830, calls flagged for inlining = 226, calls inlined = 204, statements flattened = 4782 [2022-07-21 13:46:52,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:46:52,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:46:52,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:46:52,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:46:52,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:46:51" (1/1) ... [2022-07-21 13:46:52,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:46:51" (1/1) ... [2022-07-21 13:46:52,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:46:51" (1/1) ... [2022-07-21 13:46:52,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:46:51" (1/1) ... [2022-07-21 13:46:52,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:46:51" (1/1) ... [2022-07-21 13:46:52,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:46:51" (1/1) ... [2022-07-21 13:46:52,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:46:51" (1/1) ... [2022-07-21 13:46:52,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:46:52,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:46:52,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:46:52,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:46:52,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:46:51" (1/1) ... [2022-07-21 13:46:52,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:46:52,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:46:52,548 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) [2022-07-21 13:46:52,566 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 [2022-07-21 13:46:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 13:46:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 13:46:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2022-07-21 13:46:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2022-07-21 13:46:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:46:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:46:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-21 13:46:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-21 13:46:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 13:46:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 13:46:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:46:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:46:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 13:46:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 13:46:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 13:46:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 13:46:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-21 13:46:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-21 13:46:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 13:46:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 13:46:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 13:46:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 13:46:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-07-21 13:46:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-07-21 13:46:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 13:46:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 13:46:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:46:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:46:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 13:46:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 13:46:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 13:46:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 13:46:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:46:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:46:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-21 13:46:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-21 13:46:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 13:46:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 13:46:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:46:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 13:46:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 13:46:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-21 13:46:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-21 13:46:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2022-07-21 13:46:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2022-07-21 13:46:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 13:46:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 13:46:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2022-07-21 13:46:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2022-07-21 13:46:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 13:46:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2022-07-21 13:46:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2022-07-21 13:46:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 13:46:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 13:46:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2022-07-21 13:46:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2022-07-21 13:46:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 13:46:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2022-07-21 13:46:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2022-07-21 13:46:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:46:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:46:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 13:46:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 13:46:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 13:46:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 13:46:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 13:46:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 13:46:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 13:46:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 13:46:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 13:46:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 13:46:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 13:46:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 13:46:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 13:46:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2022-07-21 13:46:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2022-07-21 13:46:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 13:46:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 13:46:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:46:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:46:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:46:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:46:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:46:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2022-07-21 13:46:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2022-07-21 13:46:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-21 13:46:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-21 13:46:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:46:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:46:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:46:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 13:46:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 13:46:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:46:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:46:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:46:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 13:46:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 13:46:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2022-07-21 13:46:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2022-07-21 13:46:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 13:46:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 13:46:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-21 13:46:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-21 13:46:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 13:46:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 13:46:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2022-07-21 13:46:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2022-07-21 13:46:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 13:46:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 13:46:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 13:46:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 13:46:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 13:46:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 13:46:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-21 13:46:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-21 13:46:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-21 13:46:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-21 13:46:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-21 13:46:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-21 13:46:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:46:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:46:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2022-07-21 13:46:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2022-07-21 13:46:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 13:46:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:46:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:46:52,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:46:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 13:46:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 13:46:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 13:46:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 13:46:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2022-07-21 13:46:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2022-07-21 13:46:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2022-07-21 13:46:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2022-07-21 13:46:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 13:46:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 13:46:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2022-07-21 13:46:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2022-07-21 13:46:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 13:46:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 13:46:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2022-07-21 13:46:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2022-07-21 13:46:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 13:46:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 13:46:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 13:46:52,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 13:46:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 13:46:52,634 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 13:46:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 13:46:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 13:46:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:46:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-21 13:46:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-21 13:46:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 13:46:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 13:46:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:46:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2022-07-21 13:46:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2022-07-21 13:46:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-21 13:46:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-21 13:46:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2022-07-21 13:46:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2022-07-21 13:46:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:46:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2022-07-21 13:46:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2022-07-21 13:46:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 13:46:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 13:46:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:46:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:46:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-21 13:46:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-21 13:46:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_66 [2022-07-21 13:46:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_66 [2022-07-21 13:46:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2022-07-21 13:46:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2022-07-21 13:46:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 13:46:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 13:46:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 13:46:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 13:46:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 13:46:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 13:46:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 13:46:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 13:46:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 13:46:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 13:46:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 13:46:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:46:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:46:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2022-07-21 13:46:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2022-07-21 13:46:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 13:46:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 13:46:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_68 [2022-07-21 13:46:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_68 [2022-07-21 13:46:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2022-07-21 13:46:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2022-07-21 13:46:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2022-07-21 13:46:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2022-07-21 13:46:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:46:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:46:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 13:46:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 13:46:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2022-07-21 13:46:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2022-07-21 13:46:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 13:46:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 13:46:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 13:46:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2022-07-21 13:46:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2022-07-21 13:46:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:46:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:46:53,371 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:46:53,374 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:46:53,861 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:46:55,888 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 13:46:56,003 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:46:56,018 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:46:56,018 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 13:46:56,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:46:56 BoogieIcfgContainer [2022-07-21 13:46:56,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:46:56,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:46:56,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:46:56,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:46:56,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:46:49" (1/3) ... [2022-07-21 13:46:56,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6dd73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:46:56, skipping insertion in model container [2022-07-21 13:46:56,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:46:51" (2/3) ... [2022-07-21 13:46:56,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6dd73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:46:56, skipping insertion in model container [2022-07-21 13:46:56,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:46:56" (3/3) ... [2022-07-21 13:46:56,028 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2022-07-21 13:46:56,040 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:46:56,040 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 13:46:56,109 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:46:56,115 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@28b6de42, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3a63626f [2022-07-21 13:46:56,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 13:46:56,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 1866 states, 1247 states have (on average 1.281475541299118) internal successors, (1598), 1280 states have internal predecessors, (1598), 519 states have call successors, (519), 98 states have call predecessors, (519), 97 states have return successors, (514), 505 states have call predecessors, (514), 514 states have call successors, (514) [2022-07-21 13:46:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-21 13:46:56,139 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:46:56,140 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:46:56,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:46:56,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:46:56,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1235643051, now seen corresponding path program 1 times [2022-07-21 13:46:56,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:46:56,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280415557] [2022-07-21 13:46:56,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:46:56,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:46:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:46:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:46:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:46:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:46:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:46:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:46:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:46:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:46:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:46:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:46:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:46:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:46:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:46:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:46:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:46:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:46:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:46:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:46:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:46:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:46:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:46:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:46:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:46:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-21 13:46:56,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:46:56,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280415557] [2022-07-21 13:46:56,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280415557] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:46:56,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:46:56,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:46:56,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241930571] [2022-07-21 13:46:56,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:46:56,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:46:56,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:46:56,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:46:56,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:46:56,988 INFO L87 Difference]: Start difference. First operand has 1866 states, 1247 states have (on average 1.281475541299118) internal successors, (1598), 1280 states have internal predecessors, (1598), 519 states have call successors, (519), 98 states have call predecessors, (519), 97 states have return successors, (514), 505 states have call predecessors, (514), 514 states have call successors, (514) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 13:47:01,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:47:01,519 INFO L93 Difference]: Finished difference Result 5608 states and 8117 transitions. [2022-07-21 13:47:01,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:47:01,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 134 [2022-07-21 13:47:01,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:47:01,576 INFO L225 Difference]: With dead ends: 5608 [2022-07-21 13:47:01,576 INFO L226 Difference]: Without dead ends: 3757 [2022-07-21 13:47:01,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:47:01,601 INFO L413 NwaCegarLoop]: 2609 mSDtfsCounter, 3520 mSDsluCounter, 1884 mSDsCounter, 0 mSdLazyCounter, 2486 mSolverCounterSat, 1753 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4012 SdHoareTripleChecker+Valid, 4493 SdHoareTripleChecker+Invalid, 4239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1753 IncrementalHoareTripleChecker+Valid, 2486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:47:01,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4012 Valid, 4493 Invalid, 4239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1753 Valid, 2486 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-21 13:47:01,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2022-07-21 13:47:01,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3619. [2022-07-21 13:47:01,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3619 states, 2432 states have (on average 1.2425986842105263) internal successors, (3022), 2496 states have internal predecessors, (3022), 993 states have call successors, (993), 192 states have call predecessors, (993), 191 states have return successors, (990), 972 states have call predecessors, (990), 990 states have call successors, (990) [2022-07-21 13:47:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3619 states and 5005 transitions. [2022-07-21 13:47:01,867 INFO L78 Accepts]: Start accepts. Automaton has 3619 states and 5005 transitions. Word has length 134 [2022-07-21 13:47:01,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:47:01,868 INFO L495 AbstractCegarLoop]: Abstraction has 3619 states and 5005 transitions. [2022-07-21 13:47:01,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 13:47:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 5005 transitions. [2022-07-21 13:47:01,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-07-21 13:47:01,874 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:47:01,874 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:47:01,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 13:47:01,875 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:47:01,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:47:01,876 INFO L85 PathProgramCache]: Analyzing trace with hash 831945200, now seen corresponding path program 1 times [2022-07-21 13:47:01,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:47:01,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043977420] [2022-07-21 13:47:01,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:47:01,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:47:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:47:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:47:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:47:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:47:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:47:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:47:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:47:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:47:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:47:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:47:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:47:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 13:47:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:47:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:47:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-21 13:47:02,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:47:02,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043977420] [2022-07-21 13:47:02,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043977420] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:47:02,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:47:02,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:47:02,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192109047] [2022-07-21 13:47:02,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:47:02,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:47:02,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:47:02,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:47:02,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:47:02,298 INFO L87 Difference]: Start difference. First operand 3619 states and 5005 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 13:47:06,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:47:06,331 INFO L93 Difference]: Finished difference Result 10963 states and 15239 transitions. [2022-07-21 13:47:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:47:06,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 148 [2022-07-21 13:47:06,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:47:06,381 INFO L225 Difference]: With dead ends: 10963 [2022-07-21 13:47:06,381 INFO L226 Difference]: Without dead ends: 7369 [2022-07-21 13:47:06,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:47:06,405 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 3484 mSDsluCounter, 1925 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 1759 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3959 SdHoareTripleChecker+Valid, 4597 SdHoareTripleChecker+Invalid, 4206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1759 IncrementalHoareTripleChecker+Valid, 2447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:47:06,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3959 Valid, 4597 Invalid, 4206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1759 Valid, 2447 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-21 13:47:06,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7369 states. [2022-07-21 13:47:06,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7369 to 7170. [2022-07-21 13:47:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7170 states, 4828 states have (on average 1.2442004971002485) internal successors, (6007), 4968 states have internal predecessors, (6007), 1948 states have call successors, (1948), 382 states have call predecessors, (1948), 391 states have return successors, (1995), 1901 states have call predecessors, (1995), 1945 states have call successors, (1995) [2022-07-21 13:47:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7170 states to 7170 states and 9950 transitions. [2022-07-21 13:47:06,786 INFO L78 Accepts]: Start accepts. Automaton has 7170 states and 9950 transitions. Word has length 148 [2022-07-21 13:47:06,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:47:06,787 INFO L495 AbstractCegarLoop]: Abstraction has 7170 states and 9950 transitions. [2022-07-21 13:47:06,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 13:47:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 7170 states and 9950 transitions. [2022-07-21 13:47:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-07-21 13:47:06,790 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:47:06,790 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:47:06,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 13:47:06,791 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:47:06,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:47:06,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1210169816, now seen corresponding path program 1 times [2022-07-21 13:47:06,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:47:06,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724193430] [2022-07-21 13:47:06,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:47:06,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:47:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:06,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:47:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:06,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:06,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:47:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:06,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:06,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:47:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:06,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:06,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:47:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:06,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:06,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:47:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:47:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:06,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:06,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:47:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:07,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:47:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:07,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:07,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:47:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:07,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:47:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:07,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:47:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:07,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 13:47:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-21 13:47:07,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:47:07,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724193430] [2022-07-21 13:47:07,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724193430] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:47:07,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:47:07,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:47:07,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37194207] [2022-07-21 13:47:07,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:47:07,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:47:07,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:47:07,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:47:07,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:47:07,094 INFO L87 Difference]: Start difference. First operand 7170 states and 9950 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 13:47:11,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:47:11,285 INFO L93 Difference]: Finished difference Result 20500 states and 28460 transitions. [2022-07-21 13:47:11,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:47:11,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 146 [2022-07-21 13:47:11,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:47:11,366 INFO L225 Difference]: With dead ends: 20500 [2022-07-21 13:47:11,366 INFO L226 Difference]: Without dead ends: 13355 [2022-07-21 13:47:11,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:47:11,403 INFO L413 NwaCegarLoop]: 2550 mSDtfsCounter, 3117 mSDsluCounter, 1842 mSDsCounter, 0 mSdLazyCounter, 2475 mSolverCounterSat, 1731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3544 SdHoareTripleChecker+Valid, 4392 SdHoareTripleChecker+Invalid, 4206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1731 IncrementalHoareTripleChecker+Valid, 2475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:47:11,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3544 Valid, 4392 Invalid, 4206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1731 Valid, 2475 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-21 13:47:11,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13355 states. [2022-07-21 13:47:11,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13355 to 12898. [2022-07-21 13:47:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12898 states, 8624 states have (on average 1.2424628942486085) internal successors, (10715), 8888 states have internal predecessors, (10715), 3516 states have call successors, (3516), 748 states have call predecessors, (3516), 755 states have return successors, (3583), 3411 states have call predecessors, (3583), 3513 states have call successors, (3583) [2022-07-21 13:47:11,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12898 states to 12898 states and 17814 transitions. [2022-07-21 13:47:12,000 INFO L78 Accepts]: Start accepts. Automaton has 12898 states and 17814 transitions. Word has length 146 [2022-07-21 13:47:12,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:47:12,001 INFO L495 AbstractCegarLoop]: Abstraction has 12898 states and 17814 transitions. [2022-07-21 13:47:12,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 13:47:12,002 INFO L276 IsEmpty]: Start isEmpty. Operand 12898 states and 17814 transitions. [2022-07-21 13:47:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-21 13:47:12,006 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:47:12,006 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:47:12,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 13:47:12,007 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:47:12,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:47:12,007 INFO L85 PathProgramCache]: Analyzing trace with hash -482232089, now seen corresponding path program 1 times [2022-07-21 13:47:12,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:47:12,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664610078] [2022-07-21 13:47:12,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:47:12,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:47:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:47:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:47:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:47:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:47:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:47:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:47:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:47:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:47:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:47:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:47:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:47:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:47:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:12,422 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-21 13:47:12,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:47:12,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664610078] [2022-07-21 13:47:12,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664610078] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:47:12,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:47:12,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:47:12,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320772274] [2022-07-21 13:47:12,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:47:12,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:47:12,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:47:12,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:47:12,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:47:12,426 INFO L87 Difference]: Start difference. First operand 12898 states and 17814 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 13:47:19,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:47:19,151 INFO L93 Difference]: Finished difference Result 27209 states and 37420 transitions. [2022-07-21 13:47:19,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 13:47:19,152 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 150 [2022-07-21 13:47:19,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:47:19,230 INFO L225 Difference]: With dead ends: 27209 [2022-07-21 13:47:19,231 INFO L226 Difference]: Without dead ends: 14336 [2022-07-21 13:47:19,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:47:19,291 INFO L413 NwaCegarLoop]: 4091 mSDtfsCounter, 4955 mSDsluCounter, 3366 mSDsCounter, 0 mSdLazyCounter, 7059 mSolverCounterSat, 2490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5659 SdHoareTripleChecker+Valid, 7457 SdHoareTripleChecker+Invalid, 9549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2490 IncrementalHoareTripleChecker+Valid, 7059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:47:19,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5659 Valid, 7457 Invalid, 9549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2490 Valid, 7059 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-21 13:47:19,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14336 states. [2022-07-21 13:47:19,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14336 to 13774. [2022-07-21 13:47:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13774 states, 9394 states have (on average 1.2394081328507558) internal successors, (11643), 9672 states have internal predecessors, (11643), 3516 states have call successors, (3516), 861 states have call predecessors, (3516), 861 states have return successors, (3544), 3397 states have call predecessors, (3544), 3513 states have call successors, (3544) [2022-07-21 13:47:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13774 states to 13774 states and 18703 transitions. [2022-07-21 13:47:19,938 INFO L78 Accepts]: Start accepts. Automaton has 13774 states and 18703 transitions. Word has length 150 [2022-07-21 13:47:19,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:47:19,940 INFO L495 AbstractCegarLoop]: Abstraction has 13774 states and 18703 transitions. [2022-07-21 13:47:19,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 13:47:19,940 INFO L276 IsEmpty]: Start isEmpty. Operand 13774 states and 18703 transitions. [2022-07-21 13:47:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-21 13:47:19,942 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:47:19,943 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2022-07-21 13:47:19,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 13:47:19,943 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:47:19,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:47:19,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1420451989, now seen corresponding path program 1 times [2022-07-21 13:47:19,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:47:19,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645314003] [2022-07-21 13:47:19,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:47:19,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:47:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:47:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:47:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:47:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:47:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:47:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:47:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:47:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:47:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:47:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:47:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:47:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:47:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:47:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:47:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:47:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:47:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:47:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 13:47:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-21 13:47:20,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:47:20,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645314003] [2022-07-21 13:47:20,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645314003] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:47:20,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:47:20,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:47:20,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835713629] [2022-07-21 13:47:20,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:47:20,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:47:20,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:47:20,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:47:20,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:47:20,270 INFO L87 Difference]: Start difference. First operand 13774 states and 18703 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 13:47:23,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:47:23,986 INFO L93 Difference]: Finished difference Result 41641 states and 56770 transitions. [2022-07-21 13:47:23,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:47:23,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 186 [2022-07-21 13:47:23,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:47:24,141 INFO L225 Difference]: With dead ends: 41641 [2022-07-21 13:47:24,142 INFO L226 Difference]: Without dead ends: 27949 [2022-07-21 13:47:24,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:47:24,205 INFO L413 NwaCegarLoop]: 2702 mSDtfsCounter, 3488 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 2483 mSolverCounterSat, 1764 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3974 SdHoareTripleChecker+Valid, 4668 SdHoareTripleChecker+Invalid, 4247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1764 IncrementalHoareTripleChecker+Valid, 2483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:47:24,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3974 Valid, 4668 Invalid, 4247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1764 Valid, 2483 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-21 13:47:24,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27949 states. [2022-07-21 13:47:25,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27949 to 26931. [2022-07-21 13:47:25,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26931 states, 18384 states have (on average 1.240970409051349) internal successors, (22814), 18906 states have internal predecessors, (22814), 6861 states have call successors, (6861), 1682 states have call predecessors, (6861), 1683 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-21 13:47:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26931 states to 26931 states and 36595 transitions. [2022-07-21 13:47:25,356 INFO L78 Accepts]: Start accepts. Automaton has 26931 states and 36595 transitions. Word has length 186 [2022-07-21 13:47:25,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:47:25,357 INFO L495 AbstractCegarLoop]: Abstraction has 26931 states and 36595 transitions. [2022-07-21 13:47:25,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 13:47:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 26931 states and 36595 transitions. [2022-07-21 13:47:25,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-21 13:47:25,360 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:47:25,360 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2022-07-21 13:47:25,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 13:47:25,361 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:47:25,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:47:25,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1843153815, now seen corresponding path program 1 times [2022-07-21 13:47:25,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:47:25,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941045212] [2022-07-21 13:47:25,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:47:25,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:47:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:47:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:47:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:47:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:47:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:47:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:47:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:47:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:47:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:47:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:47:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:47:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:47:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:47:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:47:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:47:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:47:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:47:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 13:47:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-07-21 13:47:25,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:47:25,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941045212] [2022-07-21 13:47:25,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941045212] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:47:25,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:47:25,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:47:25,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063729544] [2022-07-21 13:47:25,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:47:25,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:47:25,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:47:25,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:47:25,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:47:25,697 INFO L87 Difference]: Start difference. First operand 26931 states and 36595 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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) [2022-07-21 13:47:29,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:47:29,439 INFO L93 Difference]: Finished difference Result 27933 states and 38130 transitions. [2022-07-21 13:47:29,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:47:29,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 186 [2022-07-21 13:47:29,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:47:29,571 INFO L225 Difference]: With dead ends: 27933 [2022-07-21 13:47:29,572 INFO L226 Difference]: Without dead ends: 27931 [2022-07-21 13:47:29,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:47:29,599 INFO L413 NwaCegarLoop]: 2319 mSDtfsCounter, 2710 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2957 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 4654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1277 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:47:29,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2957 Valid, 5396 Invalid, 4654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1277 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-21 13:47:29,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27931 states. [2022-07-21 13:47:30,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27931 to 26935. [2022-07-21 13:47:30,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26935 states, 18387 states have (on average 1.2409310926197856) internal successors, (22817), 18909 states have internal predecessors, (22817), 6861 states have call successors, (6861), 1683 states have call predecessors, (6861), 1684 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-21 13:47:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26935 states to 26935 states and 36598 transitions. [2022-07-21 13:47:30,744 INFO L78 Accepts]: Start accepts. Automaton has 26935 states and 36598 transitions. Word has length 186 [2022-07-21 13:47:30,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:47:30,745 INFO L495 AbstractCegarLoop]: Abstraction has 26935 states and 36598 transitions. [2022-07-21 13:47:30,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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) [2022-07-21 13:47:30,746 INFO L276 IsEmpty]: Start isEmpty. Operand 26935 states and 36598 transitions. [2022-07-21 13:47:30,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-21 13:47:30,748 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:47:30,748 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2022-07-21 13:47:30,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 13:47:30,749 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:47:30,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:47:30,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1510504698, now seen corresponding path program 1 times [2022-07-21 13:47:30,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:47:30,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085535092] [2022-07-21 13:47:30,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:47:30,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:47:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:47:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:47:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:47:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:47:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:47:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:47:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:47:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:47:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:47:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:47:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:47:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:47:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:47:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:47:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:47:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:47:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:47:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 13:47:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:47:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:31,349 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-07-21 13:47:31,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:47:31,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085535092] [2022-07-21 13:47:31,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085535092] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:47:31,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:47:31,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:47:31,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102682372] [2022-07-21 13:47:31,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:47:31,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:47:31,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:47:31,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:47:31,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:47:31,352 INFO L87 Difference]: Start difference. First operand 26935 states and 36598 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-07-21 13:47:34,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:47:34,766 INFO L93 Difference]: Finished difference Result 27937 states and 38133 transitions. [2022-07-21 13:47:34,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:47:34,766 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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 191 [2022-07-21 13:47:34,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:47:34,922 INFO L225 Difference]: With dead ends: 27937 [2022-07-21 13:47:34,923 INFO L226 Difference]: Without dead ends: 27935 [2022-07-21 13:47:34,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:47:34,939 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2702 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1276 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:47:34,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5399 Invalid, 4653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1276 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 13:47:34,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27935 states. [2022-07-21 13:47:35,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27935 to 26939. [2022-07-21 13:47:35,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26939 states, 18390 states have (on average 1.2408917890157694) internal successors, (22820), 18912 states have internal predecessors, (22820), 6861 states have call successors, (6861), 1684 states have call predecessors, (6861), 1685 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-21 13:47:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26939 states to 26939 states and 36601 transitions. [2022-07-21 13:47:36,010 INFO L78 Accepts]: Start accepts. Automaton has 26939 states and 36601 transitions. Word has length 191 [2022-07-21 13:47:36,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:47:36,011 INFO L495 AbstractCegarLoop]: Abstraction has 26939 states and 36601 transitions. [2022-07-21 13:47:36,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-07-21 13:47:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 26939 states and 36601 transitions. [2022-07-21 13:47:36,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-21 13:47:36,014 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:47:36,014 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 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] [2022-07-21 13:47:36,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 13:47:36,014 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:47:36,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:47:36,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1305464649, now seen corresponding path program 1 times [2022-07-21 13:47:36,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:47:36,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759316176] [2022-07-21 13:47:36,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:47:36,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:47:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:47:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:47:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:47:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:47:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:47:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:47:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:47:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:47:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:47:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:47:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:47:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:47:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:47:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:47:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:47:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:47:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:47:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 13:47:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:47:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 13:47:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2022-07-21 13:47:36,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:47:36,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759316176] [2022-07-21 13:47:36,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759316176] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:47:36,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:47:36,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:47:36,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401087797] [2022-07-21 13:47:36,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:47:36,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:47:36,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:47:36,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:47:36,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:47:36,478 INFO L87 Difference]: Start difference. First operand 26939 states and 36601 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-21 13:47:39,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:47:39,797 INFO L93 Difference]: Finished difference Result 27941 states and 38136 transitions. [2022-07-21 13:47:39,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:47:39,798 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 196 [2022-07-21 13:47:39,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:47:39,886 INFO L225 Difference]: With dead ends: 27941 [2022-07-21 13:47:39,886 INFO L226 Difference]: Without dead ends: 27939 [2022-07-21 13:47:39,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:47:39,902 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2702 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1275 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:47:39,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5399 Invalid, 4652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1275 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 13:47:39,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27939 states. [2022-07-21 13:47:40,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27939 to 26943. [2022-07-21 13:47:40,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26943 states, 18393 states have (on average 1.2408524982330233) internal successors, (22823), 18915 states have internal predecessors, (22823), 6861 states have call successors, (6861), 1685 states have call predecessors, (6861), 1686 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-21 13:47:40,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26943 states to 26943 states and 36604 transitions. [2022-07-21 13:47:40,989 INFO L78 Accepts]: Start accepts. Automaton has 26943 states and 36604 transitions. Word has length 196 [2022-07-21 13:47:40,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:47:40,990 INFO L495 AbstractCegarLoop]: Abstraction has 26943 states and 36604 transitions. [2022-07-21 13:47:40,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-21 13:47:40,990 INFO L276 IsEmpty]: Start isEmpty. Operand 26943 states and 36604 transitions. [2022-07-21 13:47:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-21 13:47:40,994 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:47:40,994 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 3, 3, 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] [2022-07-21 13:47:40,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 13:47:40,995 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:47:40,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:47:40,995 INFO L85 PathProgramCache]: Analyzing trace with hash 438306150, now seen corresponding path program 1 times [2022-07-21 13:47:40,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:47:40,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484767258] [2022-07-21 13:47:40,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:47:40,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:47:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:47:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:47:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:47:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:47:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:47:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:47:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:47:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:47:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:47:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:47:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:47:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:47:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:47:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:47:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:47:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:47:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:47:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 13:47:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:47:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 13:47:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-21 13:47:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:41,355 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-07-21 13:47:41,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:47:41,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484767258] [2022-07-21 13:47:41,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484767258] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:47:41,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:47:41,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:47:41,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000637538] [2022-07-21 13:47:41,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:47:41,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:47:41,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:47:41,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:47:41,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:47:41,358 INFO L87 Difference]: Start difference. First operand 26943 states and 36604 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-21 13:47:44,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:47:44,894 INFO L93 Difference]: Finished difference Result 27945 states and 38139 transitions. [2022-07-21 13:47:44,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:47:44,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 201 [2022-07-21 13:47:44,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:47:44,977 INFO L225 Difference]: With dead ends: 27945 [2022-07-21 13:47:44,977 INFO L226 Difference]: Without dead ends: 27943 [2022-07-21 13:47:44,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:47:44,994 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2702 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:47:44,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5399 Invalid, 4651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 13:47:45,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27943 states. [2022-07-21 13:47:45,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27943 to 26947. [2022-07-21 13:47:46,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26947 states, 18396 states have (on average 1.240813220265275) internal successors, (22826), 18918 states have internal predecessors, (22826), 6861 states have call successors, (6861), 1686 states have call predecessors, (6861), 1687 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-21 13:47:46,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26947 states to 26947 states and 36607 transitions. [2022-07-21 13:47:46,116 INFO L78 Accepts]: Start accepts. Automaton has 26947 states and 36607 transitions. Word has length 201 [2022-07-21 13:47:46,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:47:46,117 INFO L495 AbstractCegarLoop]: Abstraction has 26947 states and 36607 transitions. [2022-07-21 13:47:46,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-21 13:47:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 26947 states and 36607 transitions. [2022-07-21 13:47:46,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-21 13:47:46,123 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:47:46,124 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 5, 4, 4, 4, 4, 4, 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] [2022-07-21 13:47:46,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 13:47:46,124 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:47:46,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:47:46,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1035066839, now seen corresponding path program 1 times [2022-07-21 13:47:46,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:47:46,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117117801] [2022-07-21 13:47:46,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:47:46,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:47:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:47:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:47:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:47:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:47:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:47:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:47:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:47:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:47:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:47:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:47:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:47:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:47:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:47:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:47:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:47:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:47:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:47:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 13:47:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:47:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 13:47:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-21 13:47:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 13:47:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:46,653 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-07-21 13:47:46,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:47:46,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117117801] [2022-07-21 13:47:46,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117117801] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:47:46,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:47:46,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:47:46,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210903890] [2022-07-21 13:47:46,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:47:46,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:47:46,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:47:46,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:47:46,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:47:46,656 INFO L87 Difference]: Start difference. First operand 26947 states and 36607 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 13:47:50,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:47:50,046 INFO L93 Difference]: Finished difference Result 27949 states and 38142 transitions. [2022-07-21 13:47:50,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:47:50,047 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 206 [2022-07-21 13:47:50,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:47:50,155 INFO L225 Difference]: With dead ends: 27949 [2022-07-21 13:47:50,155 INFO L226 Difference]: Without dead ends: 27947 [2022-07-21 13:47:50,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:47:50,174 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2702 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1273 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:47:50,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5399 Invalid, 4650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1273 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 13:47:50,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27947 states. [2022-07-21 13:47:51,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27947 to 26951. [2022-07-21 13:47:51,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26951 states, 18399 states have (on average 1.2407739551062558) internal successors, (22829), 18921 states have internal predecessors, (22829), 6861 states have call successors, (6861), 1687 states have call predecessors, (6861), 1688 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-21 13:47:51,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26951 states to 26951 states and 36610 transitions. [2022-07-21 13:47:51,159 INFO L78 Accepts]: Start accepts. Automaton has 26951 states and 36610 transitions. Word has length 206 [2022-07-21 13:47:51,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:47:51,160 INFO L495 AbstractCegarLoop]: Abstraction has 26951 states and 36610 transitions. [2022-07-21 13:47:51,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 13:47:51,160 INFO L276 IsEmpty]: Start isEmpty. Operand 26951 states and 36610 transitions. [2022-07-21 13:47:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-07-21 13:47:51,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:47:51,163 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:47:51,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 13:47:51,163 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:47:51,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:47:51,164 INFO L85 PathProgramCache]: Analyzing trace with hash -652201257, now seen corresponding path program 1 times [2022-07-21 13:47:51,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:47:51,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099571885] [2022-07-21 13:47:51,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:47:51,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:47:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:47:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:47:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:47:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:47:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:47:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:47:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:47:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:47:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:47:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:47:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:47:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:47:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:47:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:47:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:47:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:47:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:47:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 13:47:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:47:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 13:47:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 13:47:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-21 13:47:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 13:47:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 13:47:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:47:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2022-07-21 13:47:51,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:47:51,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099571885] [2022-07-21 13:47:51,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099571885] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:47:51,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:47:51,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:47:51,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369298781] [2022-07-21 13:47:51,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:47:51,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:47:51,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:47:51,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:47:51,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:47:51,533 INFO L87 Difference]: Start difference. First operand 26951 states and 36610 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 13:47:55,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:47:55,216 INFO L93 Difference]: Finished difference Result 27953 states and 38145 transitions. [2022-07-21 13:47:55,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:47:55,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 229 [2022-07-21 13:47:55,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:47:55,309 INFO L225 Difference]: With dead ends: 27953 [2022-07-21 13:47:55,309 INFO L226 Difference]: Without dead ends: 27951 [2022-07-21 13:47:55,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:47:55,330 INFO L413 NwaCegarLoop]: 2321 mSDtfsCounter, 2693 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2939 SdHoareTripleChecker+Valid, 5395 SdHoareTripleChecker+Invalid, 4649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1272 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:47:55,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2939 Valid, 5395 Invalid, 4649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1272 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 13:47:55,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27951 states. [2022-07-21 13:47:56,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27951 to 26955. [2022-07-21 13:47:56,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26955 states, 18402 states have (on average 1.240734702749701) internal successors, (22832), 18924 states have internal predecessors, (22832), 6861 states have call successors, (6861), 1688 states have call predecessors, (6861), 1689 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-21 13:47:56,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26955 states to 26955 states and 36613 transitions. [2022-07-21 13:47:56,365 INFO L78 Accepts]: Start accepts. Automaton has 26955 states and 36613 transitions. Word has length 229 [2022-07-21 13:47:56,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:47:56,366 INFO L495 AbstractCegarLoop]: Abstraction has 26955 states and 36613 transitions. [2022-07-21 13:47:56,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 13:47:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 26955 states and 36613 transitions. [2022-07-21 13:47:56,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-21 13:47:56,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:47:56,370 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 7, 6, 6, 6, 6, 6, 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] [2022-07-21 13:47:56,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 13:47:56,371 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:47:56,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:47:56,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1775476358, now seen corresponding path program 1 times [2022-07-21 13:47:56,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:47:56,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342938723] [2022-07-21 13:47:56,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:47:56,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:47:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:47:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:47:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:47:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:47:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:47:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:47:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:47:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:47:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:47:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:47:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:47:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:47:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:47:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:47:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:47:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:47:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:47:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:47:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 13:47:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:47:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 13:47:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 13:47:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-21 13:47:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 13:47:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 13:47:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:47:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:47:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:47:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2022-07-21 13:47:56,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:47:56,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342938723] [2022-07-21 13:47:56,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342938723] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:47:56,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:47:56,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:47:56,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111194379] [2022-07-21 13:47:56,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:47:56,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:47:56,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:47:56,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:47:56,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:47:56,722 INFO L87 Difference]: Start difference. First operand 26955 states and 36613 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 13:48:00,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:48:00,622 INFO L93 Difference]: Finished difference Result 29871 states and 40092 transitions. [2022-07-21 13:48:00,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 13:48:00,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 234 [2022-07-21 13:48:00,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:48:00,707 INFO L225 Difference]: With dead ends: 29871 [2022-07-21 13:48:00,707 INFO L226 Difference]: Without dead ends: 29869 [2022-07-21 13:48:00,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:48:00,723 INFO L413 NwaCegarLoop]: 2362 mSDtfsCounter, 2055 mSDsluCounter, 3418 mSDsCounter, 0 mSdLazyCounter, 4439 mSolverCounterSat, 926 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2339 SdHoareTripleChecker+Valid, 5780 SdHoareTripleChecker+Invalid, 5365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 926 IncrementalHoareTripleChecker+Valid, 4439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:48:00,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2339 Valid, 5780 Invalid, 5365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [926 Valid, 4439 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-21 13:48:00,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29869 states. [2022-07-21 13:48:01,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29869 to 28857. [2022-07-21 13:48:01,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28857 states, 19651 states have (on average 1.2322528115617526) internal successors, (24215), 20227 states have internal predecessors, (24215), 7139 states have call successors, (7139), 2063 states have call predecessors, (7139), 2064 states have return successors, (7198), 6934 states have call predecessors, (7198), 7136 states have call successors, (7198) [2022-07-21 13:48:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28857 states to 28857 states and 38552 transitions. [2022-07-21 13:48:01,660 INFO L78 Accepts]: Start accepts. Automaton has 28857 states and 38552 transitions. Word has length 234 [2022-07-21 13:48:01,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:48:01,660 INFO L495 AbstractCegarLoop]: Abstraction has 28857 states and 38552 transitions. [2022-07-21 13:48:01,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 13:48:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 28857 states and 38552 transitions. [2022-07-21 13:48:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-21 13:48:01,664 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:48:01,664 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 8, 7, 7, 4, 4, 4, 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] [2022-07-21 13:48:01,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 13:48:01,665 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:48:01,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:48:01,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1118262746, now seen corresponding path program 1 times [2022-07-21 13:48:01,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:48:01,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091052960] [2022-07-21 13:48:01,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:48:01,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:48:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:48:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:48:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:48:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:48:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:48:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:48:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:48:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:48:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:48:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:48:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:48:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:48:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:48:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:48:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:48:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:48:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:48:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 13:48:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:48:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 13:48:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-21 13:48:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 13:48:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 13:48:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:01,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 13:48:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:48:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2022-07-21 13:48:02,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:48:02,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091052960] [2022-07-21 13:48:02,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091052960] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:48:02,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:48:02,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:48:02,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623051029] [2022-07-21 13:48:02,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:48:02,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:48:02,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:48:02,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:48:02,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:48:02,129 INFO L87 Difference]: Start difference. First operand 28857 states and 38552 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 13:48:05,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:48:05,620 INFO L93 Difference]: Finished difference Result 29875 states and 40095 transitions. [2022-07-21 13:48:05,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:48:05,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 221 [2022-07-21 13:48:05,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:48:05,706 INFO L225 Difference]: With dead ends: 29875 [2022-07-21 13:48:05,707 INFO L226 Difference]: Without dead ends: 29873 [2022-07-21 13:48:05,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:48:05,723 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2702 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1270 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:48:05,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5399 Invalid, 4647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1270 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 13:48:05,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29873 states. [2022-07-21 13:48:06,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29873 to 28861. [2022-07-21 13:48:06,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28861 states, 19654 states have (on average 1.2322173603337743) internal successors, (24218), 20230 states have internal predecessors, (24218), 7139 states have call successors, (7139), 2064 states have call predecessors, (7139), 2065 states have return successors, (7198), 6934 states have call predecessors, (7198), 7136 states have call successors, (7198) [2022-07-21 13:48:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28861 states to 28861 states and 38555 transitions. [2022-07-21 13:48:06,810 INFO L78 Accepts]: Start accepts. Automaton has 28861 states and 38555 transitions. Word has length 221 [2022-07-21 13:48:06,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:48:06,810 INFO L495 AbstractCegarLoop]: Abstraction has 28861 states and 38555 transitions. [2022-07-21 13:48:06,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 13:48:06,810 INFO L276 IsEmpty]: Start isEmpty. Operand 28861 states and 38555 transitions. [2022-07-21 13:48:06,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-21 13:48:06,814 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:48:06,815 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 9, 8, 8, 6, 6, 6, 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] [2022-07-21 13:48:06,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 13:48:06,815 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:48:06,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:48:06,816 INFO L85 PathProgramCache]: Analyzing trace with hash 260109542, now seen corresponding path program 1 times [2022-07-21 13:48:06,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:48:06,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850853038] [2022-07-21 13:48:06,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:48:06,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:48:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:48:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:06,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:06,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:48:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:06,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:48:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:06,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:06,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:48:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:06,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:48:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:48:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:48:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:48:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:48:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:48:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:48:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:48:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:48:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:48:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:48:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:48:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:48:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 13:48:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:48:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 13:48:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 13:48:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-21 13:48:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 13:48:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 13:48:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:48:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:48:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 13:48:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:48:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:07,270 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2022-07-21 13:48:07,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:48:07,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850853038] [2022-07-21 13:48:07,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850853038] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:48:07,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:48:07,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:48:07,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666715556] [2022-07-21 13:48:07,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:48:07,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:48:07,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:48:07,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:48:07,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:48:07,273 INFO L87 Difference]: Start difference. First operand 28861 states and 38555 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 13:48:10,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:48:10,861 INFO L93 Difference]: Finished difference Result 29879 states and 40098 transitions. [2022-07-21 13:48:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:48:10,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 244 [2022-07-21 13:48:10,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:48:10,969 INFO L225 Difference]: With dead ends: 29879 [2022-07-21 13:48:10,970 INFO L226 Difference]: Without dead ends: 29877 [2022-07-21 13:48:10,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:48:10,996 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2693 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1269 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:48:10,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 5399 Invalid, 4646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1269 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 13:48:11,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29877 states. [2022-07-21 13:48:11,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29877 to 28865. [2022-07-21 13:48:12,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28865 states, 19657 states have (on average 1.2321819199267436) internal successors, (24221), 20233 states have internal predecessors, (24221), 7139 states have call successors, (7139), 2065 states have call predecessors, (7139), 2066 states have return successors, (7198), 6934 states have call predecessors, (7198), 7136 states have call successors, (7198) [2022-07-21 13:48:12,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28865 states to 28865 states and 38558 transitions. [2022-07-21 13:48:12,124 INFO L78 Accepts]: Start accepts. Automaton has 28865 states and 38558 transitions. Word has length 244 [2022-07-21 13:48:12,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:48:12,125 INFO L495 AbstractCegarLoop]: Abstraction has 28865 states and 38558 transitions. [2022-07-21 13:48:12,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 13:48:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 28865 states and 38558 transitions. [2022-07-21 13:48:12,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-07-21 13:48:12,130 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:48:12,131 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 10, 9, 9, 6, 6, 6, 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] [2022-07-21 13:48:12,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-21 13:48:12,131 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:48:12,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:48:12,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1435243799, now seen corresponding path program 1 times [2022-07-21 13:48:12,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:48:12,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050376767] [2022-07-21 13:48:12,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:48:12,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:48:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:48:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:48:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:48:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:48:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:48:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:48:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:48:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:48:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:48:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:48:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:48:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:48:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:48:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:48:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:48:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:48:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:48:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 13:48:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:48:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 13:48:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 13:48:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-21 13:48:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 13:48:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 13:48:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:48:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:48:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 13:48:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:48:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-21 13:48:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2022-07-21 13:48:12,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:48:12,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050376767] [2022-07-21 13:48:12,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050376767] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:48:12,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:48:12,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:48:12,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110521669] [2022-07-21 13:48:12,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:48:12,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:48:12,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:48:12,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:48:12,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:48:12,536 INFO L87 Difference]: Start difference. First operand 28865 states and 38558 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 13:48:16,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:48:16,620 INFO L93 Difference]: Finished difference Result 29883 states and 40101 transitions. [2022-07-21 13:48:16,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:48:16,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 249 [2022-07-21 13:48:16,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:48:16,722 INFO L225 Difference]: With dead ends: 29883 [2022-07-21 13:48:16,722 INFO L226 Difference]: Without dead ends: 29881 [2022-07-21 13:48:16,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:48:16,744 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2693 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1268 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:48:16,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 5399 Invalid, 4645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1268 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-21 13:48:16,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29881 states. [2022-07-21 13:48:17,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29881 to 28869. [2022-07-21 13:48:17,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28869 states, 19660 states have (on average 1.2321464903357071) internal successors, (24224), 20236 states have internal predecessors, (24224), 7139 states have call successors, (7139), 2066 states have call predecessors, (7139), 2067 states have return successors, (7198), 6934 states have call predecessors, (7198), 7136 states have call successors, (7198) [2022-07-21 13:48:17,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28869 states to 28869 states and 38561 transitions. [2022-07-21 13:48:17,920 INFO L78 Accepts]: Start accepts. Automaton has 28869 states and 38561 transitions. Word has length 249 [2022-07-21 13:48:17,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:48:17,921 INFO L495 AbstractCegarLoop]: Abstraction has 28869 states and 38561 transitions. [2022-07-21 13:48:17,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 13:48:17,921 INFO L276 IsEmpty]: Start isEmpty. Operand 28869 states and 38561 transitions. [2022-07-21 13:48:17,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-21 13:48:17,926 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:48:17,926 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 5, 5, 5, 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] [2022-07-21 13:48:17,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 13:48:17,927 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:48:17,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:48:17,927 INFO L85 PathProgramCache]: Analyzing trace with hash -544170063, now seen corresponding path program 1 times [2022-07-21 13:48:17,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:48:17,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359715514] [2022-07-21 13:48:17,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:48:17,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:48:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:48:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:48:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:48:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:48:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:48:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:48:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:48:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:48:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:48:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:48:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:48:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:48:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:48:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:48:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 13:48:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 13:48:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:48:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 13:48:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:48:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 13:48:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 13:48:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 13:48:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2022-07-21 13:48:18,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:48:18,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359715514] [2022-07-21 13:48:18,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359715514] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:48:18,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:48:18,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:48:18,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138089600] [2022-07-21 13:48:18,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:48:18,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:48:18,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:48:18,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:48:18,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:48:18,285 INFO L87 Difference]: Start difference. First operand 28869 states and 38561 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-21 13:48:23,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:48:23,342 INFO L93 Difference]: Finished difference Result 64860 states and 86898 transitions. [2022-07-21 13:48:23,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:48:23,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 232 [2022-07-21 13:48:23,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:48:23,495 INFO L225 Difference]: With dead ends: 64860 [2022-07-21 13:48:23,495 INFO L226 Difference]: Without dead ends: 36073 [2022-07-21 13:48:23,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:48:23,595 INFO L413 NwaCegarLoop]: 3779 mSDtfsCounter, 2083 mSDsluCounter, 2255 mSDsCounter, 0 mSdLazyCounter, 2387 mSolverCounterSat, 1104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2460 SdHoareTripleChecker+Valid, 6034 SdHoareTripleChecker+Invalid, 3491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1104 IncrementalHoareTripleChecker+Valid, 2387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:48:23,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2460 Valid, 6034 Invalid, 3491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1104 Valid, 2387 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-21 13:48:23,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36073 states. [2022-07-21 13:48:25,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36073 to 34793. [2022-07-21 13:48:25,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34793 states, 23832 states have (on average 1.2336354481369587) internal successors, (29400), 24516 states have internal predecessors, (29400), 8481 states have call successors, (8481), 2476 states have call predecessors, (8481), 2477 states have return successors, (8540), 8238 states have call predecessors, (8540), 8478 states have call successors, (8540) [2022-07-21 13:48:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34793 states to 34793 states and 46421 transitions. [2022-07-21 13:48:25,377 INFO L78 Accepts]: Start accepts. Automaton has 34793 states and 46421 transitions. Word has length 232 [2022-07-21 13:48:25,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:48:25,377 INFO L495 AbstractCegarLoop]: Abstraction has 34793 states and 46421 transitions. [2022-07-21 13:48:25,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-21 13:48:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand 34793 states and 46421 transitions. [2022-07-21 13:48:25,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-07-21 13:48:25,381 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:48:25,381 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 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] [2022-07-21 13:48:25,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 13:48:25,382 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:48:25,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:48:25,382 INFO L85 PathProgramCache]: Analyzing trace with hash 221217606, now seen corresponding path program 1 times [2022-07-21 13:48:25,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:48:25,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913239294] [2022-07-21 13:48:25,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:48:25,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:48:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:48:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:48:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:48:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:48:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:48:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:48:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:48:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:48:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:48:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:48:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:48:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:48:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:48:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:48:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:48:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:48:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:48:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 13:48:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:48:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 13:48:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 13:48:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-21 13:48:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 13:48:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 13:48:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:48:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:48:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 13:48:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:48:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-21 13:48:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:48:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-07-21 13:48:25,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:48:25,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913239294] [2022-07-21 13:48:25,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913239294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:48:25,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:48:25,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:48:25,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722052720] [2022-07-21 13:48:25,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:48:25,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:48:25,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:48:25,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:48:25,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:48:25,705 INFO L87 Difference]: Start difference. First operand 34793 states and 46421 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 13:48:29,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:48:29,766 INFO L93 Difference]: Finished difference Result 36011 states and 48264 transitions. [2022-07-21 13:48:29,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:48:29,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 254 [2022-07-21 13:48:29,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:48:29,889 INFO L225 Difference]: With dead ends: 36011 [2022-07-21 13:48:29,890 INFO L226 Difference]: Without dead ends: 36007 [2022-07-21 13:48:29,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:48:29,910 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2693 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1267 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:48:29,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 5399 Invalid, 4644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1267 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-21 13:48:29,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36007 states. [2022-07-21 13:48:31,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36007 to 34795. [2022-07-21 13:48:31,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34795 states, 23834 states have (on average 1.2335738860451455) internal successors, (29401), 24517 states have internal predecessors, (29401), 8481 states have call successors, (8481), 2477 states have call predecessors, (8481), 2477 states have return successors, (8540), 8238 states have call predecessors, (8540), 8478 states have call successors, (8540) [2022-07-21 13:48:31,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34795 states to 34795 states and 46422 transitions. [2022-07-21 13:48:31,194 INFO L78 Accepts]: Start accepts. Automaton has 34795 states and 46422 transitions. Word has length 254 [2022-07-21 13:48:31,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:48:31,194 INFO L495 AbstractCegarLoop]: Abstraction has 34795 states and 46422 transitions. [2022-07-21 13:48:31,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 13:48:31,195 INFO L276 IsEmpty]: Start isEmpty. Operand 34795 states and 46422 transitions. [2022-07-21 13:48:31,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-21 13:48:31,197 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:48:31,197 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 12, 11, 11, 10, 10, 10, 10, 10, 10, 6, 6, 6, 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] [2022-07-21 13:48:31,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 13:48:31,197 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:48:31,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:48:31,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1462652361, now seen corresponding path program 1 times [2022-07-21 13:48:31,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:48:31,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106129966] [2022-07-21 13:48:31,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:48:31,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:48:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:48:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:48:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:48:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:48:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:48:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:48:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:48:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:48:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:48:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:48:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:48:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:48:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:48:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:48:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:48:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:48:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:48:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 13:48:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:48:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 13:48:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 13:48:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-21 13:48:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 13:48:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 13:48:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:48:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:48:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 13:48:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 13:48:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-21 13:48:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:48:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 13:48:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:31,666 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2022-07-21 13:48:31,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:48:31,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106129966] [2022-07-21 13:48:31,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106129966] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:48:31,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:48:31,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:48:31,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942886674] [2022-07-21 13:48:31,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:48:31,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:48:31,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:48:31,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:48:31,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:48:31,669 INFO L87 Difference]: Start difference. First operand 34795 states and 46422 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 13:48:35,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:48:35,675 INFO L93 Difference]: Finished difference Result 36007 states and 48260 transitions. [2022-07-21 13:48:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:48:35,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 259 [2022-07-21 13:48:35,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:48:35,802 INFO L225 Difference]: With dead ends: 36007 [2022-07-21 13:48:35,802 INFO L226 Difference]: Without dead ends: 35735 [2022-07-21 13:48:35,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:48:35,826 INFO L413 NwaCegarLoop]: 2319 mSDtfsCounter, 2687 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3372 mSolverCounterSat, 1266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2932 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 4638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1266 IncrementalHoareTripleChecker+Valid, 3372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:48:35,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2932 Valid, 5396 Invalid, 4638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1266 Valid, 3372 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 13:48:35,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35735 states. [2022-07-21 13:48:37,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35735 to 34523. [2022-07-21 13:48:37,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34523 states, 23664 states have (on average 1.232631845841785) internal successors, (29169), 24315 states have internal predecessors, (29169), 8396 states have call successors, (8396), 2459 states have call predecessors, (8396), 2461 states have return successors, (8458), 8186 states have call predecessors, (8458), 8396 states have call successors, (8458) [2022-07-21 13:48:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34523 states to 34523 states and 46023 transitions. [2022-07-21 13:48:37,298 INFO L78 Accepts]: Start accepts. Automaton has 34523 states and 46023 transitions. Word has length 259 [2022-07-21 13:48:37,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:48:37,298 INFO L495 AbstractCegarLoop]: Abstraction has 34523 states and 46023 transitions. [2022-07-21 13:48:37,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 13:48:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 34523 states and 46023 transitions. [2022-07-21 13:48:37,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-21 13:48:37,302 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:48:37,303 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:48:37,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 13:48:37,303 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:48:37,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:48:37,304 INFO L85 PathProgramCache]: Analyzing trace with hash -2147016414, now seen corresponding path program 1 times [2022-07-21 13:48:37,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:48:37,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479997500] [2022-07-21 13:48:37,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:48:37,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:48:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:48:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:48:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:48:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:48:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:48:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:48:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:48:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:48:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:48:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:48:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 13:48:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:48:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 13:48:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 13:48:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 13:48:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 13:48:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:48:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 13:48:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 13:48:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:48:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:48:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 13:48:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:48:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:48:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 13:48:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 13:48:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 13:48:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 13:48:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:48:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-21 13:48:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:48:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:37,625 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-07-21 13:48:37,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:48:37,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479997500] [2022-07-21 13:48:37,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479997500] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:48:37,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:48:37,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:48:37,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488237232] [2022-07-21 13:48:37,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:48:37,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:48:37,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:48:37,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:48:37,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:48:37,628 INFO L87 Difference]: Start difference. First operand 34523 states and 46023 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-21 13:48:42,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:48:42,150 INFO L93 Difference]: Finished difference Result 76177 states and 101857 transitions. [2022-07-21 13:48:42,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:48:42,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 306 [2022-07-21 13:48:42,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:48:42,301 INFO L225 Difference]: With dead ends: 76177 [2022-07-21 13:48:42,301 INFO L226 Difference]: Without dead ends: 41677 [2022-07-21 13:48:42,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:48:42,386 INFO L413 NwaCegarLoop]: 3734 mSDtfsCounter, 2055 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 1029 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 5970 SdHoareTripleChecker+Invalid, 3342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1029 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:48:42,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 5970 Invalid, 3342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1029 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 13:48:42,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41677 states.